science.lu Website Information
Daily Unique Visits: 1,098
Daily Page Views: 2,196
Income Per Day: $7
Estimated Value: $1,680
This website is located in Luxembourg and is using following IP address 217.70.186.106. See the complete list of popular websites hosted in Luxembourg.
science.lu is registered under .LU top-level domain. Please check other sites in .LU zone.
Website science.lu is using the following name servers:
- ns1.restena.lu
- ns3.restena.lu
- ns2.restena.lu
and is probably hosted by Conostix S.A.. See the full list of other websites hosted by Conostix S.A..
The highest website science.lu position in Alexa rank database was 22869 and the lowest rank position was 998884. Current position of science.lu in Alexa rank database is 653067.
Desktop speed score of science.lu (53/100) shows that the page desktop performance can be improved.
Mobile usability score of science.lu (99/100) means that the page is mobile-friendly.
Mobile speed score of science.lu (53/100) shows that the landing page performance on mobile devices is poor and can be improved.
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science.lu Alexa Rank
The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.
science.lu whois
WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.
% Access to RESTENA DNS-LU WHOIS information is provided to assist persons
% in determining the content of a domain name registration record in the LU
% registration database. The data in this record is provided by RESTENA DNS-LU
% for information purposes only, and RESTENA DNS-LU does not guarantee its
% accuracy. Compilation, repackaging, dissemination or other use of the
% WHOIS database in its entirety, or of a substantial part thereof, is not
% allowed without the prior written permission of RESTENA DNS-LU.
%
% By submitting a WHOIS query, you agree to abide by this policy. You acknowledge
% that the use of the WHOIS database is regulated by the ACCEPTABLE USE POLICY
% (http://www.dns.lu/en/support/domainname-availability/whois-gateway/), that you are aware of its
% content, and that you accept its terms and conditions.
%
% You agree especially that you will use this data only for lawful purposes and
% that you will not use this data to:
% (1) allow, enable, or otherwise support the transmission of mass unsolicited,
% commercial advertising or solicitations via e-mail (spam); or
% (2) enable high volume, automated, electronic processes that apply to
% RESTENA DNS-LU (or its systems).
%
% All rights reserved.
%
% WHOIS science.lu
domainname: science.lu
domaintype: ACTIVE
nserver: ns1.restena.lu
nserver: ns2.restena.lu
nserver: ns3.restena.lu
ownertype: ORGANISATION
org-country: LU
registrar-name: Fondation Restena
registrar-email: info@my.lu
registrar-url: https://my.lu
registrar-country: LU
%
% More details on the domain may be available at below whois-web URL.
% Next to possible further data a form to contact domain operator or
% request further details is available.
whois-web: https://www.dns.lu/en/support/domainname-availability/whois-gateway/
% in determining the content of a domain name registration record in the LU
% registration database. The data in this record is provided by RESTENA DNS-LU
% for information purposes only, and RESTENA DNS-LU does not guarantee its
% accuracy. Compilation, repackaging, dissemination or other use of the
% WHOIS database in its entirety, or of a substantial part thereof, is not
% allowed without the prior written permission of RESTENA DNS-LU.
%
% By submitting a WHOIS query, you agree to abide by this policy. You acknowledge
% that the use of the WHOIS database is regulated by the ACCEPTABLE USE POLICY
% (http://www.dns.lu/en/support/domainname-availability/whois-gateway/), that you are aware of its
% content, and that you accept its terms and conditions.
%
% You agree especially that you will use this data only for lawful purposes and
% that you will not use this data to:
% (1) allow, enable, or otherwise support the transmission of mass unsolicited,
% commercial advertising or solicitations via e-mail (spam); or
% (2) enable high volume, automated, electronic processes that apply to
% RESTENA DNS-LU (or its systems).
%
% All rights reserved.
%
% WHOIS science.lu
domainname: science.lu
domaintype: ACTIVE
nserver: ns1.restena.lu
nserver: ns2.restena.lu
nserver: ns3.restena.lu
ownertype: ORGANISATION
org-country: LU
registrar-name: Fondation Restena
registrar-email: info@my.lu
registrar-url: https://my.lu
registrar-country: LU
%
% More details on the domain may be available at below whois-web URL.
% Next to possible further data a form to contact domain operator or
% request further details is available.
whois-web: https://www.dns.lu/en/support/domainname-availability/whois-gateway/
science.lu server information
Servers Location
science.lu desktop page speed rank
Last tested: 2020-01-03
Desktop Speed
Bad
53/100
science.lu Desktop Speed Test Quick Summary
priority - 47Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 454.5KiB (72% reduction).
Compressing http://science.lu/sites/default/files/js/js__kFR7i…UX1uHAmJzVTa8mnVK_I.js could save 227.5KiB (71% reduction).
Compressing http://science.lu/sites/default/files/js/js_xAPl0q…UVoat94SQT48UBCFkyQ.js could save 61.9KiB (65% reduction).
Compressing http://science.lu/sites/default/files/css/css_Q5aj…lzIPxNoEraNcP3rt3A.css could save 39.3KiB (83% reduction).
Compressing http://science.lu/sites/all/modules/lightbox2/js/lightbox.js?1454055565 could save 34.2KiB (77% reduction).
Compressing http://science.lu/sites/default/files/css/css_s75I…DLCgXV8Pwqm9KSfFos.css could save 27.9KiB (84% reduction).
Compressing http://staticxx.facebook.com/connect/xd_arbiter.php?version=42 could save 21.5KiB (65% reduction).
Compressing https://staticxx.facebook.com/connect/xd_arbiter.php?version=42 could save 21.5KiB (65% reduction).
Compressing http://science.lu/sites/default/files/js/js_PeDft-…scHL9ztCPWKfBbA9BA8.js could save 6.8KiB (75% reduction).
Compressing http://science.lu/sites/default/files/css/css_n7aK…txQiQvnD-N_xWUtD5A.css could save 6.4KiB (74% reduction).
Compressing http://science.lu/sites/default/files/css/css_pbm0…_kBNgznNUWmTWcnfoE.css could save 5.2KiB (70% reduction).
Compressing http://science.lu/sites/default/files/css/css_XL2N…WecSNNrEM1MZrbRvHs.css could save 2.5KiB (69% reduction).
Compressing http://science.lu/sites/default/files/js/js_xAPl0q…UVoat94SQT48UBCFkyQ.js could save 61.9KiB (65% reduction).
Compressing http://science.lu/sites/default/files/css/css_Q5aj…lzIPxNoEraNcP3rt3A.css could save 39.3KiB (83% reduction).
Compressing http://science.lu/sites/all/modules/lightbox2/js/lightbox.js?1454055565 could save 34.2KiB (77% reduction).
Compressing http://science.lu/sites/default/files/css/css_s75I…DLCgXV8Pwqm9KSfFos.css could save 27.9KiB (84% reduction).
Compressing http://staticxx.facebook.com/connect/xd_arbiter.php?version=42 could save 21.5KiB (65% reduction).
Compressing https://staticxx.facebook.com/connect/xd_arbiter.php?version=42 could save 21.5KiB (65% reduction).
Compressing http://science.lu/sites/default/files/js/js_PeDft-…scHL9ztCPWKfBbA9BA8.js could save 6.8KiB (75% reduction).
Compressing http://science.lu/sites/default/files/css/css_n7aK…txQiQvnD-N_xWUtD5A.css could save 6.4KiB (74% reduction).
Compressing http://science.lu/sites/default/files/css/css_pbm0…_kBNgznNUWmTWcnfoE.css could save 5.2KiB (70% reduction).
Compressing http://science.lu/sites/default/files/css/css_XL2N…WecSNNrEM1MZrbRvHs.css could save 2.5KiB (69% reduction).
priority - 31Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
http://science.lu/sites/default/files/css/css_Q5aj…lzIPxNoEraNcP3rt3A.css (expiration not specified)
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http://connect.facebook.net/de_DE/all.js (20 minutes)
http://www.google-analytics.com/ga.js (2 hours)
priority - 12Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 5 blocking script resources and 4 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://science.lu/sites/default/files/js/js_xAPl0q…UVoat94SQT48UBCFkyQ.js
http://science.lu/sites/default/files/js/js_PeDft-…scHL9ztCPWKfBbA9BA8.js
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http://science.lu/sites/default/files/js/js__kFR7i…UX1uHAmJzVTa8mnVK_I.js
Optimize CSS Delivery of the following:
http://science.lu/sites/default/files/css/css_pbm0…_kBNgznNUWmTWcnfoE.css
http://science.lu/sites/default/files/css/css_n7aK…txQiQvnD-N_xWUtD5A.css
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http://science.lu/sites/default/files/css/css_XL2N…WecSNNrEM1MZrbRvHs.css
priority - 3Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 32.9KiB (8% reduction).
Minifying http://science.lu/sites/all/modules/lightbox2/js/lightbox.js?1454055565 could save 14.5KiB (33% reduction).
Minifying http://science.lu/sites/default/files/js/js_xAPl0q…UVoat94SQT48UBCFkyQ.js could save 12.5KiB (14% reduction).
Minifying http://science.lu/sites/default/files/js/js_PeDft-…scHL9ztCPWKfBbA9BA8.js could save 3KiB (34% reduction).
Minifying http://science.lu/sites/default/files/js/js__kFR7i…UX1uHAmJzVTa8mnVK_I.js could save 2.8KiB (1% reduction).
Minifying http://science.lu/sites/default/files/js/js_xAPl0q…UVoat94SQT48UBCFkyQ.js could save 12.5KiB (14% reduction).
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priority - 1Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 8.9KiB (33% reduction).
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Losslessly compressing http://science.lu/themes/CustomCZ/images/level3_science.gif could save 992B (89% reduction).
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Losslessly compressing http://science.lu/themes/CustomCZ/images/c_tous.png could save 690B (69% reduction).
Losslessly compressing http://science.lu/themes/CustomCZ/images/nav_science.png could save 1.7KiB (32% reduction).
Losslessly compressing http://science.lu/themes/CustomCZ/images/logo.png could save 1.3KiB (14% reduction).
Losslessly compressing http://science.lu/themes/CustomCZ/images/level3_science.gif could save 992B (89% reduction).
Losslessly compressing http://science.lu/themes/CustomCZ/images/level3_tous.gif could save 992B (89% reduction).
Losslessly compressing http://science.lu/themes/CustomCZ/images/mister_science.png could save 853B (16% reduction).
Losslessly compressing http://science.lu/themes/CustomCZ/images/r_tous.png could save 806B (37% reduction).
Losslessly compressing http://science.lu/themes/CustomCZ/images/c_tous.png could save 690B (69% reduction).
science.lu Desktop Resource Breakdown
| Total Resources | 83 |
| Number of Hosts | 5 |
| Static Resources | 63 |
| JavaScript Resources | 7 |
| CSS Resources | 5 |
science.lu mobile page speed rank
Last tested: 2019-12-28
Mobile Speed
Bad
53/100
science.lu Mobile Speed Test Quick Summary
priority - 48Enable compression
Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.
Enable compression for the following resources to reduce their transfer size by 468.4KiB (71% reduction).
Compressing http://science.lu/sites/default/files/js/js_ooI86W…LiupLrH4-iqQ4z1iVzU.js could save 240.5KiB (70% reduction).
Compressing http://science.lu/sites/default/files/js/js_xAPl0q…UVoat94SQT48UBCFkyQ.js could save 61.9KiB (65% reduction).
Compressing http://science.lu/sites/default/files/css/css_7DgS…wvJ6Lj9U1OPNvbrbIU.css could save 34.4KiB (82% reduction).
Compressing http://science.lu/sites/all/modules/lightbox2/js/lightbox.js?1454052429 could save 34.2KiB (77% reduction).
Compressing http://science.lu/sites/default/files/css/css_T1wb…rMz5vrd4Sf6HUAlqlw.css could save 28.9KiB (84% reduction).
Compressing http://staticxx.facebook.com/connect/xd_arbiter.php?version=42 could save 21.5KiB (65% reduction).
Compressing https://staticxx.facebook.com/connect/xd_arbiter.php?version=42 could save 21.5KiB (65% reduction).
Compressing http://science.lu/sites/default/files/js/js_PeDft-…scHL9ztCPWKfBbA9BA8.js could save 6.8KiB (75% reduction).
Compressing http://science.lu/sites/default/files/css/css_n7aK…txQiQvnD-N_xWUtD5A.css could save 6.4KiB (74% reduction).
Compressing http://science.lu/sites/default/files/css/css_pbm0…_kBNgznNUWmTWcnfoE.css could save 5.2KiB (70% reduction).
Compressing http://science.lu/sites/default/files/css/css_1cHJ…1S-kcvVD3cZBS3ucMk.css could save 4.8KiB (58% reduction).
Compressing http://science.lu/sites/default/files/css/css_XL2N…WecSNNrEM1MZrbRvHs.css could save 2.5KiB (69% reduction).
Compressing http://science.lu/sites/default/files/js/js_xAPl0q…UVoat94SQT48UBCFkyQ.js could save 61.9KiB (65% reduction).
Compressing http://science.lu/sites/default/files/css/css_7DgS…wvJ6Lj9U1OPNvbrbIU.css could save 34.4KiB (82% reduction).
Compressing http://science.lu/sites/all/modules/lightbox2/js/lightbox.js?1454052429 could save 34.2KiB (77% reduction).
Compressing http://science.lu/sites/default/files/css/css_T1wb…rMz5vrd4Sf6HUAlqlw.css could save 28.9KiB (84% reduction).
Compressing http://staticxx.facebook.com/connect/xd_arbiter.php?version=42 could save 21.5KiB (65% reduction).
Compressing https://staticxx.facebook.com/connect/xd_arbiter.php?version=42 could save 21.5KiB (65% reduction).
Compressing http://science.lu/sites/default/files/js/js_PeDft-…scHL9ztCPWKfBbA9BA8.js could save 6.8KiB (75% reduction).
Compressing http://science.lu/sites/default/files/css/css_n7aK…txQiQvnD-N_xWUtD5A.css could save 6.4KiB (74% reduction).
Compressing http://science.lu/sites/default/files/css/css_pbm0…_kBNgznNUWmTWcnfoE.css could save 5.2KiB (70% reduction).
Compressing http://science.lu/sites/default/files/css/css_1cHJ…1S-kcvVD3cZBS3ucMk.css could save 4.8KiB (58% reduction).
Compressing http://science.lu/sites/default/files/css/css_XL2N…WecSNNrEM1MZrbRvHs.css could save 2.5KiB (69% reduction).
priority - 24Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 5 blocking CSS resources. This causes a delay in rendering your page.
Optimize CSS Delivery of the following:
http://science.lu/sites/default/files/css/css_pbm0…_kBNgznNUWmTWcnfoE.css
http://science.lu/sites/default/files/css/css_n7aK…txQiQvnD-N_xWUtD5A.css
http://science.lu/sites/default/files/css/css_7DgS…wvJ6Lj9U1OPNvbrbIU.css
http://science.lu/sites/default/files/css/css_XL2N…WecSNNrEM1MZrbRvHs.css
http://science.lu/sites/default/files/css/css_1cHJ…1S-kcvVD3cZBS3ucMk.css
http://science.lu/sites/default/files/css/css_n7aK…txQiQvnD-N_xWUtD5A.css
http://science.lu/sites/default/files/css/css_7DgS…wvJ6Lj9U1OPNvbrbIU.css
http://science.lu/sites/default/files/css/css_XL2N…WecSNNrEM1MZrbRvHs.css
http://science.lu/sites/default/files/css/css_1cHJ…1S-kcvVD3cZBS3ucMk.css
priority - 19Leverage browser caching
Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.
Leverage browser caching for the following cacheable resources:
http://science.lu/sites/default/files/css/css_1cHJ…1S-kcvVD3cZBS3ucMk.css (expiration not specified)
http://science.lu/sites/default/files/css/css_7DgS…wvJ6Lj9U1OPNvbrbIU.css (expiration not specified)
http://science.lu/sites/default/files/css/css_T1wb…rMz5vrd4Sf6HUAlqlw.css (expiration not specified)
http://science.lu/sites/default/files/css/css_XL2N…WecSNNrEM1MZrbRvHs.css (expiration not specified)
http://science.lu/sites/default/files/css/css_n7aK…txQiQvnD-N_xWUtD5A.css (expiration not specified)
http://science.lu/sites/default/files/css/css_pbm0…_kBNgznNUWmTWcnfoE.css (expiration not specified)
http://science.lu/sites/default/files/js/js_PeDft-…scHL9ztCPWKfBbA9BA8.js (expiration not specified)
http://science.lu/sites/default/files/js/js_QSS-Ep…uNBFRHuUFGrrvpNL7lo.js (expiration not specified)
http://science.lu/sites/default/files/js/js_ooI86W…LiupLrH4-iqQ4z1iVzU.js (expiration not specified)
http://science.lu/sites/default/files/js/js_xAPl0q…UVoat94SQT48UBCFkyQ.js (expiration not specified)
http://science.lu/themes/CustomCZmobile/apple-touch-icon-144x144.png (expiration not specified)
http://science.lu/themes/CustomCZmobile/fonts/ff_d…nsed_bold-webfont.woff (expiration not specified)
http://science.lu/themes/CustomCZmobile/images/bullet_04.png (expiration not specified)
http://science.lu/themes/CustomCZmobile/images/ico_36x36_facebook.png (expiration not specified)
http://science.lu/themes/CustomCZmobile/images/ico_36x36_menu.png (expiration not specified)
http://science.lu/themes/CustomCZmobile/images/ico_36x36_youtubes.png (expiration not specified)
http://science.lu/themes/CustomCZmobile/images/ico_FR.png (expiration not specified)
http://science.lu/themes/CustomCZmobile/images/logo.png (expiration not specified)
http://science.lu/themes/CustomCZmobile/images/mister_science.jpg (expiration not specified)
http://science.lu/themes/CustomCZmobile/images/search_bg.png (expiration not specified)
http://science.lu/themes/CustomCZmobile/images/search_submit.png (expiration not specified)
http://science.lu/themes/CustomCZmobile/images/siblings_sep.gif (expiration not specified)
http://science.lu/themes/CustomCZmobile/images/trait.png (expiration not specified)
http://connect.facebook.net/de_DE/all.js (20 minutes)
http://www.google-analytics.com/ga.js (2 hours)
http://science.lu/sites/default/files/css/css_7DgS…wvJ6Lj9U1OPNvbrbIU.css (expiration not specified)
http://science.lu/sites/default/files/css/css_T1wb…rMz5vrd4Sf6HUAlqlw.css (expiration not specified)
http://science.lu/sites/default/files/css/css_XL2N…WecSNNrEM1MZrbRvHs.css (expiration not specified)
http://science.lu/sites/default/files/css/css_n7aK…txQiQvnD-N_xWUtD5A.css (expiration not specified)
http://science.lu/sites/default/files/css/css_pbm0…_kBNgznNUWmTWcnfoE.css (expiration not specified)
http://science.lu/sites/default/files/js/js_PeDft-…scHL9ztCPWKfBbA9BA8.js (expiration not specified)
http://science.lu/sites/default/files/js/js_QSS-Ep…uNBFRHuUFGrrvpNL7lo.js (expiration not specified)
http://science.lu/sites/default/files/js/js_ooI86W…LiupLrH4-iqQ4z1iVzU.js (expiration not specified)
http://science.lu/sites/default/files/js/js_xAPl0q…UVoat94SQT48UBCFkyQ.js (expiration not specified)
http://science.lu/themes/CustomCZmobile/apple-touch-icon-144x144.png (expiration not specified)
http://science.lu/themes/CustomCZmobile/fonts/ff_d…nsed_bold-webfont.woff (expiration not specified)
http://science.lu/themes/CustomCZmobile/images/bullet_04.png (expiration not specified)
http://science.lu/themes/CustomCZmobile/images/ico_36x36_facebook.png (expiration not specified)
http://science.lu/themes/CustomCZmobile/images/ico_36x36_menu.png (expiration not specified)
http://science.lu/themes/CustomCZmobile/images/ico_36x36_youtubes.png (expiration not specified)
http://science.lu/themes/CustomCZmobile/images/ico_FR.png (expiration not specified)
http://science.lu/themes/CustomCZmobile/images/logo.png (expiration not specified)
http://science.lu/themes/CustomCZmobile/images/mister_science.jpg (expiration not specified)
http://science.lu/themes/CustomCZmobile/images/search_bg.png (expiration not specified)
http://science.lu/themes/CustomCZmobile/images/search_submit.png (expiration not specified)
http://science.lu/themes/CustomCZmobile/images/siblings_sep.gif (expiration not specified)
http://science.lu/themes/CustomCZmobile/images/trait.png (expiration not specified)
http://connect.facebook.net/de_DE/all.js (20 minutes)
http://www.google-analytics.com/ga.js (2 hours)
priority - 4Minify JavaScript
Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.
Minify JavaScript for the following resources to reduce their size by 38.9KiB (9% reduction).
Minifying http://science.lu/sites/all/modules/lightbox2/js/lightbox.js?1454052429 could save 14.5KiB (33% reduction).
Minifying http://science.lu/sites/default/files/js/js_xAPl0q…UVoat94SQT48UBCFkyQ.js could save 12.5KiB (14% reduction).
Minifying http://science.lu/sites/default/files/js/js_ooI86W…LiupLrH4-iqQ4z1iVzU.js could save 8.9KiB (3% reduction).
Minifying http://science.lu/sites/default/files/js/js_PeDft-…scHL9ztCPWKfBbA9BA8.js could save 3KiB (34% reduction).
Minifying http://science.lu/sites/default/files/js/js_xAPl0q…UVoat94SQT48UBCFkyQ.js could save 12.5KiB (14% reduction).
Minifying http://science.lu/sites/default/files/js/js_ooI86W…LiupLrH4-iqQ4z1iVzU.js could save 8.9KiB (3% reduction).
Minifying http://science.lu/sites/default/files/js/js_PeDft-…scHL9ztCPWKfBbA9BA8.js could save 3KiB (34% reduction).
priority - 1Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 6.1KiB (67% reduction).
Losslessly compressing http://science.lu/themes/CustomCZmobile/images/bullet_04.png could save 1.2KiB (72% reduction).
Losslessly compressing http://science.lu/themes/CustomCZmobile/images/search_bg.png could save 1,012B (73% reduction).
Losslessly compressing http://science.lu/themes/CustomCZmobile/images/search_submit.png could save 903B (63% reduction).
Losslessly compressing http://science.lu/themes/CustomCZmobile/images/ico_36x36_menu.png could save 860B (88% reduction).
Losslessly compressing http://science.lu/themes/CustomCZmobile/images/trait.png could save 842B (90% reduction).
Losslessly compressing http://science.lu/themes/CustomCZmobile/images/ico_36x36_facebook.png could save 821B (66% reduction).
Losslessly compressing http://science.lu/themes/CustomCZmobile/images/ico_36x36_youtubes.png could save 590B (36% reduction).
Losslessly compressing http://science.lu/themes/CustomCZmobile/images/search_bg.png could save 1,012B (73% reduction).
Losslessly compressing http://science.lu/themes/CustomCZmobile/images/search_submit.png could save 903B (63% reduction).
Losslessly compressing http://science.lu/themes/CustomCZmobile/images/ico_36x36_menu.png could save 860B (88% reduction).
Losslessly compressing http://science.lu/themes/CustomCZmobile/images/trait.png could save 842B (90% reduction).
Losslessly compressing http://science.lu/themes/CustomCZmobile/images/ico_36x36_facebook.png could save 821B (66% reduction).
Losslessly compressing http://science.lu/themes/CustomCZmobile/images/ico_36x36_youtubes.png could save 590B (36% reduction).
science.lu Mobile Resource Breakdown
| Total Resources | 47 |
| Number of Hosts | 5 |
| Static Resources | 25 |
| JavaScript Resources | 7 |
| CSS Resources | 6 |
science.lu mobile page usability
Last tested: 2019-12-28
Mobile Usability
Good
99/100
science.lu Mobile Usability Test Quick Summary
priority - 0Size tap targets appropriately
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.
The tap target
<a href="/de/content/sc…orscher-werden"></a> is close to 1 other tap targets.The tap target
<a href="/de/content/sc…orscher-werden">Scienteens Lab…orscher werden</a> and 1 others are close to other tap targets.The tap target
<a href="/de/content/ne…aus-aller-welt">News aus aller Welt</a> is close to 2 other tap targets.The tap target
<div id="addToHomeScreen" class="addToHomeIOS7…addToHomeWide">Installieren S…e-Bildschirm.×</div> is close to 1 other tap targets.science.lu HTML validation
Errors
Duplicate attribute “lang”.
Line: 26 Column: - 50
"...product#" lang="de" dir="ltr"..."
"...product#" lang="de" dir="ltr"..."
Attribute “xmlns:fb” not allowed here.
Line: 26 Column: 23 - 65
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
Attribute “xmlns:og” not allowed here.
Line: 26 Column: 23 - 65
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
Attribute “xmlns:article” not allowed here.
Line: 26 Column: 23 - 65
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
Attribute “xmlns:book” not allowed here.
Line: 26 Column: 23 - 65
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
Attribute “xmlns:profile” not allowed here.
Line: 26 Column: 23 - 65
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
Attribute “xmlns:video” not allowed here.
Line: 26 Column: 23 - 65
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
Attribute “xmlns:product” not allowed here.
Line: 26 Column: 23 - 65
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
Bad value “cleartype” for attribute “http-equiv” on element “meta”.
Line: 43 Column: 88 - 129
"...cale=1.0"><meta http-equiv="cleartype" content="on"> <meta..."
"...cale=1.0"><meta http-equiv="cleartype" content="on"> <meta..."
A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.
Line: 44 Column: 1 - 62
"...ent="on"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <link..."
"...ent="on"> <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> <link..."
Element “style” not allowed as child of element “body” in this context. (Suppressing further errors from this subtree.)
Line: 68 Column: 1 - 23
"... <style type="text/css"> ..."
"... <style type="text/css"> ..."
When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.
Line: 114 Column: 74 - 123
"...fr first"><a href="/fr" class="language-link" xml:lang="fr">França..." Line: 115 Column: 28 - 84
"...t active"><a href="/de" class="language-link active" xml:lang="de">Deutsc..."
"...fr first"><a href="/fr" class="language-link" xml:lang="fr">França..." Line: 115 Column: 28 - 84
"...t active"><a href="/de" class="language-link active" xml:lang="de">Deutsc..."
Bad value “javascript://” for attribute “href” on element “a”: missing } after function body
Line: 119 Column: 6 - 60
"...ts"> <a class="font_less decreaseFont" href="javascript://">A-</a>..." Line: 120 Column: 6 - 47
"...</a> <a class="resetFont" href="javascript://">A</a> ..." Line: 121 Column: 6 - 60
"...</a> <a class="font_more increaseFont" href="javascript://">A+</a>..."
"...ts"> <a class="font_less decreaseFont" href="javascript://">A-</a>..." Line: 120 Column: 6 - 47
"...</a> <a class="resetFont" href="javascript://">A</a> ..." Line: 121 Column: 6 - 60
"...</a> <a class="font_more increaseFont" href="javascript://">A+</a>..."
Attribute “first” not allowed on element “a” at this point.
Line: 144 Column: 72 - 108
"...k1 first"><a first expanded rel="1" href="/de"><span ..."
"...k1 first"><a first expanded rel="1" href="/de"><span ..."
Attribute “expanded” not allowed on element “a” at this point.
Line: 144 Column: 72 - 108
"...k1 first"><a first expanded rel="1" href="/de"><span ..."
"...k1 first"><a first expanded rel="1" href="/de"><span ..."
Bad value “1” for attribute “rel” on element “a”: The string “1” is not a registered keyword.
Line: 144 Column: 72 - 108
"...k1 first"><a first expanded rel="1" href="/de"><span ..."
"...k1 first"><a first expanded rel="1" href="/de"><span ..."
The “width” attribute on the “table” element is obsolete. Use CSS instead.
Line: 144 Column: 167 - 229
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 146 Column: 321 - 383
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 152 Column: 333 - 395
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 168 Column: 360 - 422
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 180 Column: 385 - 447
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 191 Column: 304 - 366
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..."
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 146 Column: 321 - 383
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 152 Column: 333 - 395
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 168 Column: 360 - 422
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 180 Column: 385 - 447
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 191 Column: 304 - 366
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..."
The “cellpadding” attribute on the “table” element is obsolete. Use CSS instead.
Line: 144 Column: 167 - 229
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 146 Column: 321 - 383
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 152 Column: 333 - 395
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 168 Column: 360 - 422
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 180 Column: 385 - 447
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 191 Column: 304 - 366
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..."
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 146 Column: 321 - 383
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 152 Column: 333 - 395
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 168 Column: 360 - 422
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 180 Column: 385 - 447
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 191 Column: 304 - 366
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..."
The “cellspacing” attribute on the “table” element is obsolete. Use CSS instead.
Line: 144 Column: 167 - 229
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 146 Column: 321 - 383
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 152 Column: 333 - 395
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 168 Column: 360 - 422
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 180 Column: 385 - 447
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 191 Column: 304 - 366
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..."
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 146 Column: 321 - 383
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 152 Column: 333 - 395
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 168 Column: 360 - 422
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 180 Column: 385 - 447
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 191 Column: 304 - 366
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..."
The “border” attribute on the “table” element is obsolete. Use CSS instead.
Line: 144 Column: 167 - 229
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 146 Column: 321 - 383
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 152 Column: 333 - 395
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 168 Column: 360 - 422
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 180 Column: 385 - 447
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 191 Column: 304 - 366
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..."
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 146 Column: 321 - 383
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 152 Column: 333 - 395
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 168 Column: 360 - 422
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 180 Column: 385 - 447
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..." Line: 191 Column: 304 - 366
"...="level2"><table width="100%" cellpadding="0" cellspacing="0" border="0"><tr> <..."
Bad value “2” for attribute “rel” on element “a”: The string “2” is not a registered keyword.
Line: 146 Column: 160 - 211
"...s="link2"><a rel="2" href="/de/content/kids" class="expanded"><span ..."
"...s="link2"><a rel="2" href="/de/content/kids" class="expanded"><span ..."
Bad value “3” for attribute “rel” on element “a”: The string “3” is not a registered keyword.
Line: 152 Column: 158 - 216
"...s="link3"><a rel="3" href="/de/content/jugendliche" class="expanded"><span ..."
"...s="link3"><a rel="3" href="/de/content/jugendliche" class="expanded"><span ..."
Bad value “4” for attribute “rel” on element “a”: The string “4” is not a registered keyword.
Line: 168 Column: 191 - 246
"...s="link4"><a rel="4" href="/de/content/für-alle" class="expanded"><span ..."
"...s="link4"><a rel="4" href="/de/content/für-alle" class="expanded"><span ..."
Bad value “5” for attribute “rel” on element “a”: The string “5” is not a registered keyword.
Line: 180 Column: 189 - 257
"...s="link5"><a rel="5" href="/de/content/multiplikatorenlehrer" class="expanded"><span ..."
"...s="link5"><a rel="5" href="/de/content/multiplikatorenlehrer" class="expanded"><span ..."
Bad value “6” for attribute “rel” on element “a”: The string “6” is not a registered keyword.
Line: 191 Column: 191 - 269
"...s="link6"><a id="science_de" rel="6" href="/de/content/mr-science" class="last expanded">Mr Sci..."
"...s="link6"><a id="science_de" rel="6" href="/de/content/mr-science" class="last expanded">Mr Sci..."
No “li” element in scope but a “li” end tag seen.
Line: 207 Column: 120 - 124
".../div></li></li></li> ..." Line: 207 Column: 125 - 129
"...</li></li></li> </u..."
".../div></li></li></li> ..." Line: 207 Column: 125 - 129
"...</li></li></li> </u..."
Element “input” is missing required attribute “alt”.
Line: 248 Column: 61 - 216
"...tions--2"><input type="image" id="edit-submit--2" name="submit" src="https://www.science.lu/sites/all/themes/CustomCZ/images/search_submit.png" class="form-submit" /></div>..."
"...tions--2"><input type="image" id="edit-submit--2" name="submit" src="https://www.science.lu/sites/all/themes/CustomCZ/images/search_submit.png" class="form-submit" /></div>..."
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Line: 304 Column: 125 - 240
"...lzrakete"><img src="https://www.science.lu/sites/default/files/styles/medium_custom/public/mr_science-2362.jpg?itok=2g1yGO7R"></a></..." Line: 305 Column: 351 - 459
"...wahrheit"><img src="https://www.science.lu/sites/default/files/styles/medium_custom/public/34294505.jpg?itok=08oH9e7U"></a></..." Line: 305 Column: 1323 - 1431
"...ntdecken"><img src="https://www.science.lu/sites/default/files/styles/medium_custom/public/27381219.jpg?itok=Ata2PkTM"></a></..." Line: 306 Column: 389 - 490
"...erfassen"><img src="https://www.science.lu/sites/default/files/styles/medium_custom/public/6.jpg?itok=U_zlkpMv"></a></..." Line: 306 Column: 1295 - 1414
"...m-keller"><img src="https://www.science.lu/sites/default/files/styles/medium_custom/public/youtube/82A6smEgsAg.jpg?itok=3yZbuoqE"></a></..." Line: 350 Column: 128 - 272
"...menschen"><img src="https://www.science.lu/sites/default/files/styles/medium_custom/public/afp/47f04aabd413a8a0a7514a1f3c70292bf46a0295.jpg?itok=h6PuTmyG"></a></..." Line: 350 Column: 1006 - 1122
"...gänglich"><img src="https://www.science.lu/sites/default/files/styles/medium_custom/public/vignette_629x354.jpg?itok=ywCEUZ1Q"></a></..." Line: 350 Column: 1928 - 2072
"...genommen"><img src="https://www.science.lu/sites/default/files/styles/medium_custom/public/afp/30cc4a32d4ccbd78886e5702c3745482b7094d04.jpg?itok=3SI33Q1n"></a></..." Line: 381 Column: 103 - 224
"...t-schätz"><img src="https://www.science.lu/sites/default/files/styles/thumbnail_custom_grey/public/plurio/940997.jpg?itok=C0g30TlG"></a></..." Line: 381 Column: 632 - 753
"...lisation"><img src="https://www.science.lu/sites/default/files/styles/thumbnail_custom_grey/public/plurio/887870.jpg?itok=Ka3_TePP"></a></..." Line: 420 Column: 144 - 267
"...lzrakete"><img src="https://www.science.lu/sites/default/files/styles/thumbnail_custom_grey/public/mr_science-2362.jpg?itok=Yc3YzhIW"></a></..." Line: 441 Column: 207 - 332
"...oßes-vor"><img src="https://www.science.lu/sites/default/files/styles/thumbnail_custom_grey/public/ca_mp_a1_3839-1_0.jpg?itok=xVvkjDgX"></a></..." Line: 441 Column: 938 - 1051
"...es-achil"><img src="https://www.science.lu/sites/default/files/styles/thumbnail_custom_grey/public/achil.jpg?itok=HnqoNzMw"></a></..." Line: 479 Column: 117 - 237
"...forscher"><img src="https://www.science.lu/sites/default/files/styles/thumbnail_custom_grey/public/dexia_belval.jpg?itok=7vERMWG5"></a></..."
"...lzrakete"><img src="https://www.science.lu/sites/default/files/styles/medium_custom/public/mr_science-2362.jpg?itok=2g1yGO7R"></a></..." Line: 305 Column: 351 - 459
"...wahrheit"><img src="https://www.science.lu/sites/default/files/styles/medium_custom/public/34294505.jpg?itok=08oH9e7U"></a></..." Line: 305 Column: 1323 - 1431
"...ntdecken"><img src="https://www.science.lu/sites/default/files/styles/medium_custom/public/27381219.jpg?itok=Ata2PkTM"></a></..." Line: 306 Column: 389 - 490
"...erfassen"><img src="https://www.science.lu/sites/default/files/styles/medium_custom/public/6.jpg?itok=U_zlkpMv"></a></..." Line: 306 Column: 1295 - 1414
"...m-keller"><img src="https://www.science.lu/sites/default/files/styles/medium_custom/public/youtube/82A6smEgsAg.jpg?itok=3yZbuoqE"></a></..." Line: 350 Column: 128 - 272
"...menschen"><img src="https://www.science.lu/sites/default/files/styles/medium_custom/public/afp/47f04aabd413a8a0a7514a1f3c70292bf46a0295.jpg?itok=h6PuTmyG"></a></..." Line: 350 Column: 1006 - 1122
"...gänglich"><img src="https://www.science.lu/sites/default/files/styles/medium_custom/public/vignette_629x354.jpg?itok=ywCEUZ1Q"></a></..." Line: 350 Column: 1928 - 2072
"...genommen"><img src="https://www.science.lu/sites/default/files/styles/medium_custom/public/afp/30cc4a32d4ccbd78886e5702c3745482b7094d04.jpg?itok=3SI33Q1n"></a></..." Line: 381 Column: 103 - 224
"...t-schätz"><img src="https://www.science.lu/sites/default/files/styles/thumbnail_custom_grey/public/plurio/940997.jpg?itok=C0g30TlG"></a></..." Line: 381 Column: 632 - 753
"...lisation"><img src="https://www.science.lu/sites/default/files/styles/thumbnail_custom_grey/public/plurio/887870.jpg?itok=Ka3_TePP"></a></..." Line: 420 Column: 144 - 267
"...lzrakete"><img src="https://www.science.lu/sites/default/files/styles/thumbnail_custom_grey/public/mr_science-2362.jpg?itok=Yc3YzhIW"></a></..." Line: 441 Column: 207 - 332
"...oßes-vor"><img src="https://www.science.lu/sites/default/files/styles/thumbnail_custom_grey/public/ca_mp_a1_3839-1_0.jpg?itok=xVvkjDgX"></a></..." Line: 441 Column: 938 - 1051
"...es-achil"><img src="https://www.science.lu/sites/default/files/styles/thumbnail_custom_grey/public/achil.jpg?itok=HnqoNzMw"></a></..." Line: 479 Column: 117 - 237
"...forscher"><img src="https://www.science.lu/sites/default/files/styles/thumbnail_custom_grey/public/dexia_belval.jpg?itok=7vERMWG5"></a></..."
Saw U+0000 in stream.
Line: 304 Column: - 416
"...eichholzrakete! </a></h2> Hie..." Line: 304 Column: - 417
"...ichholzrakete! </a></h2> Hier..." Line: 305 Column: - 637
"...ng und Wahrheit </a></h2> Alt..." Line: 305 Column: - 638
"...g und Wahrheit </a></h2> Alte..." Line: 305 Column: - 1628
"...alys entdecken? </a></h2> Fue..." Line: 305 Column: - 1629
"...lys entdecken? </a></h2> Fuer..." Line: 306 Column: - 719
"...besser erfassen </a></h2> Umf..." Line: 306 Column: - 720
"...esser erfassen </a></h2> Umfa..." Line: 306 Column: - 1587
"...gefor am Keller </a><..." Line: 306 Column: - 1588
"...efor am Keller </a><..." Line: 350 Column: - 452
"...ur wie Menschen </a></h2> Was..." Line: 350 Column: - 453
"...r wie Menschen </a></h2> Wash..." Line: 350 Column: - 1352
"...frei zugänglich </a></h2> Köl..." Line: 350 Column: - 1353
"...rei zugänglich </a></h2> Köln..." Line: 350 Column: - 2297
"... als angenommen </a></h2> Par..." Line: 350 Column: - 2298
"...als angenommen </a></h2> Pari..." Line: 372 Column: - 122
"...follow">Events </a></h3><div..." Line: 372 Column: - 123
"...ollow">Events </a></h3><div ..." Line: 381 Column: - 333
"...nerwaart Schätz </a></h3><div..." Line: 381 Column: - 334
"...erwaart Schätz </a></h3><div ..." Line: 381 Column: - 888
"...r Fossilisation </a></h3><div..." Line: 381 Column: - 889
"... Fossilisation </a></h3><div ..." Line: 411 Column: - 133
"...ow">Experimente </a></h3><div..." Line: 411 Column: - 134
"...w">Experimente </a></h3><div ..." Line: 420 Column: - 434
"...eichholzrakete! </a></h3><div..." Line: 420 Column: - 435
"...ichholzrakete! </a></h3><div ..." Line: 441 Column: - 500
"...burg Großes vor </a></h3><div..." Line: 441 Column: - 501
"...urg Großes vor </a></h3><div ..." Line: 441 Column: - 1222
"...imistes (ACHIL) </a></h3><div..." Line: 441 Column: - 1223
"...mistes (ACHIL) </a></h3><div ..." Line: 479 Column: - 349
"...d Sie Forscher? </a></h3><div..." Line: 479 Column: - 350
"... Sie Forscher? </a></h3><div ..."
"...eichholzrakete! </a></h2> Hie..." Line: 304 Column: - 417
"...ichholzrakete! </a></h2> Hier..." Line: 305 Column: - 637
"...ng und Wahrheit </a></h2> Alt..." Line: 305 Column: - 638
"...g und Wahrheit </a></h2> Alte..." Line: 305 Column: - 1628
"...alys entdecken? </a></h2> Fue..." Line: 305 Column: - 1629
"...lys entdecken? </a></h2> Fuer..." Line: 306 Column: - 719
"...besser erfassen </a></h2> Umf..." Line: 306 Column: - 720
"...esser erfassen </a></h2> Umfa..." Line: 306 Column: - 1587
"...gefor am Keller </a><..." Line: 306 Column: - 1588
"...efor am Keller </a><..." Line: 350 Column: - 452
"...ur wie Menschen </a></h2> Was..." Line: 350 Column: - 453
"...r wie Menschen </a></h2> Wash..." Line: 350 Column: - 1352
"...frei zugänglich </a></h2> Köl..." Line: 350 Column: - 1353
"...rei zugänglich </a></h2> Köln..." Line: 350 Column: - 2297
"... als angenommen </a></h2> Par..." Line: 350 Column: - 2298
"...als angenommen </a></h2> Pari..." Line: 372 Column: - 122
"...follow">Events </a></h3><div..." Line: 372 Column: - 123
"...ollow">Events </a></h3><div ..." Line: 381 Column: - 333
"...nerwaart Schätz </a></h3><div..." Line: 381 Column: - 334
"...erwaart Schätz </a></h3><div ..." Line: 381 Column: - 888
"...r Fossilisation </a></h3><div..." Line: 381 Column: - 889
"... Fossilisation </a></h3><div ..." Line: 411 Column: - 133
"...ow">Experimente </a></h3><div..." Line: 411 Column: - 134
"...w">Experimente </a></h3><div ..." Line: 420 Column: - 434
"...eichholzrakete! </a></h3><div..." Line: 420 Column: - 435
"...ichholzrakete! </a></h3><div ..." Line: 441 Column: - 500
"...burg Großes vor </a></h3><div..." Line: 441 Column: - 501
"...urg Großes vor </a></h3><div ..." Line: 441 Column: - 1222
"...imistes (ACHIL) </a></h3><div..." Line: 441 Column: - 1223
"...mistes (ACHIL) </a></h3><div ..." Line: 479 Column: - 349
"...d Sie Forscher? </a></h3><div..." Line: 479 Column: - 350
"... Sie Forscher? </a></h3><div ..."
Duplicate ID “mobile_middle”.
Line: 508 Column: 1 - 41
"... <div id="mobile_middle" class="clearfix"> <div..."
"... <div id="mobile_middle" class="clearfix"> <div..."
Warnings
Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.
Line: 26 Column: 23 - 65
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
Attribute with the local name “xmlns:og” is not serializable as XML 1.0.
Line: 26 Column: 23 - 65
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
Attribute with the local name “xmlns:article” is not serializable as XML 1.0.
Line: 26 Column: 23 - 65
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
Attribute with the local name “xmlns:book” is not serializable as XML 1.0.
Line: 26 Column: 23 - 65
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
Attribute with the local name “xmlns:profile” is not serializable as XML 1.0.
Line: 26 Column: 23 - 65
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
Attribute with the local name “xmlns:video” is not serializable as XML 1.0.
Line: 26 Column: 23 - 65
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
Attribute with the local name “xmlns:product” is not serializable as XML 1.0.
Line: 26 Column: 23 - 65
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
"...E 8]><!--> <html class="no-js" lang="de" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#" lang="de" dir="ltr"> <!--<..."
Consider avoiding viewport values that prevent users from resizing documents.
Line: 43 Column: 1 - 87
"...tup.png"> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1.0"><meta ..."
"...tup.png"> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1.0"><meta ..."
The “banner” role is unnecessary for element “header”.
Line: 99 Column: 3 - 24
"...ader"> <header role="banner"> <di..."
"...ader"> <header role="banner"> <di..."
The “contentinfo” role is unnecessary for element “footer”.
Line: 497 Column: 1 - 27
".../page--> <footer role="contentinfo"> ..."
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science.lu Ping
Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.
science.lu TRACEROUTE
Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.