onlinejazyky.cz Website Information
Daily Unique Visits: 772
Daily Page Views: 1,544
Income Per Day: $5
Estimated Value: $1,200
This website is located in Czech Republic and is using following IP address 217.16.188.4. See the complete list of popular websites hosted in Czech Republic.
onlinejazyky.cz is registered under .CZ top-level domain. Please check other sites in .CZ zone.
Website onlinejazyky.cz is using the following name servers:
- ns.wedos.net
- ns.wedos.cz
- ns.wedos.eu
- ns.wedos.com
and is probably hosted by VSHosting s.r.o.. See the full list of other websites hosted by VSHosting s.r.o..
The highest website onlinejazyky.cz position in Alexa rank database was 24633 and the lowest rank position was 998859. Current position of onlinejazyky.cz in Alexa rank database is 928646.
Desktop speed score of onlinejazyky.cz (51/100) is better than the results of 24.87% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of onlinejazyky.cz (98/100) is better than the results of 55.61% of other sites and means that the page is mobile-friendly.
Mobile speed score of onlinejazyky.cz (49/100) is better than the results of 31.99% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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onlinejazyky.cz 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.
onlinejazyky.cz 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.
% (c) 2006-2021 CZ.NIC, z.s.p.o.
%
% Intended use of supplied data and information
%
% Data contained in the domain name register, as well as information
% supplied through public information services of CZ.NIC association,
% are appointed only for purposes connected with Internet network
% administration and operation, or for the purpose of legal or other
% similar proceedings, in process as regards a matter connected
% particularly with holding and using a concrete domain name.
%
% Full text available at:
% http://www.nic.cz/page/306/intended-use-of-supplied-data-and-information/
%
% See also a search service at http://www.nic.cz/whois/
%
%
% Whoisd Server Version: 3.12.2
% Timestamp: Wed Feb 16 22:31:04 2022
domain: onlinejazyky.cz
registrant: WEDOS-MDC-183404
nsset: WEDOS
registrar: REG-WEDOS
registered: 15.03.2010 02:59:23
changed: 09.07.2019 08:58:08
expire: 15.03.2022
contact: WEDOS-MDC-183404
org: ONLINE learning s.r.o.
name: Martin Dvořák
address: Nerudova 198/36
address: Hradec Králové
address: 50002
address: CZ
phone: +420.734577566
e-mail: info@onlinejazyky.cz
registrar: REG-WEDOS
created: 02.09.2016 08:37:14
changed: 12.03.2019 09:24:02
nsset: WEDOS
nserver: ns.wedos.net
nserver: ns.wedos.eu
nserver: ns.wedos.com
nserver: ns.wedos.cz (46.28.104.67, 2a02:2b88:1:1::2)
tech-c: WEDOS-INTERNET
registrar: REG-WEDOS
created: 01.03.2010 15:38:08
changed: 14.12.2010 20:23:49
contact: WEDOS-INTERNET
org: WEDOS Internet, a.s.
name: Petr Šťastný
address: Masarykova 1230
address: Hluboká nad Vltavou
address: 37341
address: CZ
registrar: REG-WEDOS
created: 01.03.2010 15:34:12
changed: 15.05.2018 21:32:00
%
% Intended use of supplied data and information
%
% Data contained in the domain name register, as well as information
% supplied through public information services of CZ.NIC association,
% are appointed only for purposes connected with Internet network
% administration and operation, or for the purpose of legal or other
% similar proceedings, in process as regards a matter connected
% particularly with holding and using a concrete domain name.
%
% Full text available at:
% http://www.nic.cz/page/306/intended-use-of-supplied-data-and-information/
%
% See also a search service at http://www.nic.cz/whois/
%
%
% Whoisd Server Version: 3.12.2
% Timestamp: Wed Feb 16 22:31:04 2022
domain: onlinejazyky.cz
registrant: WEDOS-MDC-183404
nsset: WEDOS
registrar: REG-WEDOS
registered: 15.03.2010 02:59:23
changed: 09.07.2019 08:58:08
expire: 15.03.2022
contact: WEDOS-MDC-183404
org: ONLINE learning s.r.o.
name: Martin Dvořák
address: Nerudova 198/36
address: Hradec Králové
address: 50002
address: CZ
phone: +420.734577566
e-mail: info@onlinejazyky.cz
registrar: REG-WEDOS
created: 02.09.2016 08:37:14
changed: 12.03.2019 09:24:02
nsset: WEDOS
nserver: ns.wedos.net
nserver: ns.wedos.eu
nserver: ns.wedos.com
nserver: ns.wedos.cz (46.28.104.67, 2a02:2b88:1:1::2)
tech-c: WEDOS-INTERNET
registrar: REG-WEDOS
created: 01.03.2010 15:38:08
changed: 14.12.2010 20:23:49
contact: WEDOS-INTERNET
org: WEDOS Internet, a.s.
name: Petr Šťastný
address: Masarykova 1230
address: Hluboká nad Vltavou
address: 37341
address: CZ
registrar: REG-WEDOS
created: 01.03.2010 15:34:12
changed: 15.05.2018 21:32:00
onlinejazyky.cz server information
Servers Location
onlinejazyky.cz desktop page speed rank
Last tested: 2015-10-16
Desktop Speed
Bad
51/100
onlinejazyky.cz Desktop Speed Test Quick Summary
priority - 37Optimize images
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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:
https://c182.affilbox.cz/js/module/tracking.js (expiration not specified)
https://www.onlinejazyky.cz/css/blog.css (expiration not specified)
https://www.onlinejazyky.cz/css/bootstrap.min.css (expiration not specified)
https://www.onlinejazyky.cz/css/feature.css (expiration not specified)
https://www.onlinejazyky.cz/css/ico.css (expiration not specified)
https://www.onlinejazyky.cz/css/jplayer.blue.monday.css (expiration not specified)
https://www.onlinejazyky.cz/css/jquery-ui/jquery-ui-1.10.3.custom.min.css (expiration not specified)
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https://www.onlinejazyky.cz/files/stranka-0.jpg (expiration not specified)
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https://ssl.google-analytics.com/ga_exp.js?utmxkey…utmxtime=1445028476620 (30 seconds)
https://www.googletagmanager.com/gtm.js?id=GTM-58NTL9 (15.3 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://shared.optimato.cz/imgs_system/highslide/highslide.css (4.8 hours)
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https://shared.optimato.cz/imgs_system/highslide/outlines/rounded-white.png (4.8 hours)
priority - 18Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 19 blocking script resources and 14 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://www.onlinejazyky.cz/js/jquery-1.10.2.min.js
https://shared.optimato.cz/highslide.js
https://shared.optimato.cz/highslide_conf.js
https://shared.optimato.cz/jsfx.js
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https://shared.optimato.cz/slidehide.js
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https://shared.optimato.cz/eshop.js
https://www.onlinejazyky.cz/js/jquery-ui-1.10.3.custom.min.js
https://www.onlinejazyky.cz/js/jquery.scrollTo-min.js
https://www.onlinejazyky.cz/js/jquery.magnific-popup.min.js
https://www.onlinejazyky.cz/js/OnlineJazykyPage.js
https://www.onlinejazyky.cz/js/optimato.js
https://shared.optimato.cz/jquery.ui.touch-punch.js
https://www.onlinejazyky.cz/js/jquery.jplayer.min.js
https://www.onlinejazyky.cz/js/jplayer.playlist.min.js
https://www.onlinejazyky.cz/js/jquery.jplayer.inspector.js
https://ssl.google-analytics.com/ga_exp.js?utmxkey…utmxtime=1445028476620
https://shared.optimato.cz/highslide.js
https://shared.optimato.cz/highslide_conf.js
https://shared.optimato.cz/jsfx.js
https://shared.optimato.cz/efekty.js
https://www.onlinejazyky.cz/js/jquery.forms.js
https://shared.optimato.cz/slidehide.js
https://shared.optimato.cz/ruzne.js
https://shared.optimato.cz/eshop.js
https://www.onlinejazyky.cz/js/jquery-ui-1.10.3.custom.min.js
https://www.onlinejazyky.cz/js/jquery.scrollTo-min.js
https://www.onlinejazyky.cz/js/jquery.magnific-popup.min.js
https://www.onlinejazyky.cz/js/OnlineJazykyPage.js
https://www.onlinejazyky.cz/js/optimato.js
https://shared.optimato.cz/jquery.ui.touch-punch.js
https://www.onlinejazyky.cz/js/jquery.jplayer.min.js
https://www.onlinejazyky.cz/js/jplayer.playlist.min.js
https://www.onlinejazyky.cz/js/jquery.jplayer.inspector.js
https://ssl.google-analytics.com/ga_exp.js?utmxkey…utmxtime=1445028476620
Optimize CSS Delivery of the following:
https://www.onlinejazyky.cz/css/bootstrap.min.css
https://www.onlinejazyky.cz/css/webfont.css
https://www.onlinejazyky.cz/font/elusive-webfont.css
https://www.onlinejazyky.cz/css/jquery-ui/jquery-ui-1.10.3.custom.min.css
https://www.onlinejazyky.cz/css/main.css
https://www.onlinejazyky.cz/css/ico.css
https://www.onlinejazyky.cz/css/magnific-popup.css
https://www.onlinejazyky.cz/css/popover.css
https://www.onlinejazyky.cz/css/feature.css
https://www.onlinejazyky.cz/css/blog.css
https://shared.optimato.cz/imgs_system/highslide/highslide.css
https://www.onlinejazyky.cz/styles.php?pa=×tamp=1444128876
https://www.onlinejazyky.cz/dyn.css
https://www.onlinejazyky.cz/css/jplayer.blue.monday.css
https://www.onlinejazyky.cz/css/webfont.css
https://www.onlinejazyky.cz/font/elusive-webfont.css
https://www.onlinejazyky.cz/css/jquery-ui/jquery-ui-1.10.3.custom.min.css
https://www.onlinejazyky.cz/css/main.css
https://www.onlinejazyky.cz/css/ico.css
https://www.onlinejazyky.cz/css/magnific-popup.css
https://www.onlinejazyky.cz/css/popover.css
https://www.onlinejazyky.cz/css/feature.css
https://www.onlinejazyky.cz/css/blog.css
https://shared.optimato.cz/imgs_system/highslide/highslide.css
https://www.onlinejazyky.cz/styles.php?pa=×tamp=1444128876
https://www.onlinejazyky.cz/dyn.css
https://www.onlinejazyky.cz/css/jplayer.blue.monday.css
priority - 14Avoid landing page redirects
Your page has 3 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://onlinejazyky.cz/
https://onlinejazyky.cz/
http://www.onlinejazyky.cz/
https://www.onlinejazyky.cz/
https://onlinejazyky.cz/
http://www.onlinejazyky.cz/
https://www.onlinejazyky.cz/
priority - 2Minify 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 12KiB (9% reduction).
Minifying https://www.onlinejazyky.cz/js/jquery.forms.js could save 5KiB (36% reduction) after compression.
Minifying https://shared.optimato.cz/efekty.js could save 2.8KiB (40% reduction) after compression.
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Minifying https://www.onlinejazyky.cz/js/jquery.jplayer.inspector.js could save 963B (28% reduction) after compression.
Minifying https://shared.optimato.cz/eshop.js could save 709B (19% reduction) after compression.
Minifying https://chat.smartsupp.co/build/smartchat-2.0.12.min.js could save 642B (1% reduction) after compression.
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Minifying https://www.onlinejazyky.cz/js/jquery.jplayer.inspector.js could save 963B (28% reduction) after compression.
Minifying https://shared.optimato.cz/eshop.js could save 709B (19% reduction) after compression.
Minifying https://chat.smartsupp.co/build/smartchat-2.0.12.min.js could save 642B (1% reduction) after compression.
priority - 1Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 4.8KiB (22% reduction).
Minifying https://www.onlinejazyky.cz/css/main.css could save 2.4KiB (20% reduction) after compression.
Minifying https://www.onlinejazyky.cz/css/jplayer.blue.monday.css could save 1.1KiB (37% reduction) after compression.
Minifying https://shared.optimato.cz/imgs_system/highslide/highslide.css could save 755B (21% reduction) after compression.
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Minifying https://shared.optimato.cz/imgs_system/highslide/highslide.css could save 755B (21% reduction) after compression.
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priority - 0Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 1.3KiB (18% reduction).
Minifying https://www.onlinejazyky.cz/ could save 1.3KiB (18% reduction) after compression.
onlinejazyky.cz Desktop Resource Breakdown
| Total Resources | 106 |
| Number of Hosts | 17 |
| Static Resources | 77 |
| JavaScript Resources | 32 |
| CSS Resources | 15 |
onlinejazyky.cz mobile page speed rank
Last tested: 2019-08-14
Mobile Speed
Bad
49/100
onlinejazyky.cz Mobile Speed Test Quick Summary
priority - 72Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 23 blocking script resources and 16 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://www.onlinejazyky.cz/js/jquery-1.10.2.min.js
https://shared.optimato.cz/highslide.js
https://shared.optimato.cz/highslide_conf.js
https://shared.optimato.cz/jsfx.js
https://shared.optimato.cz/efekty.js
https://www.onlinejazyky.cz/js/jquery.forms.js
https://shared.optimato.cz/slidehide.js
https://shared.optimato.cz/ruzne.js
https://shared.optimato.cz/eshop.js
https://shared.optimato.cz/jquery.cookie.js
https://shared.optimato.cz/json2.js
https://shared.optimato.cz/jquery.form.js
https://shared.optimato.cz/jquery.hoverIntent.js
https://shared.optimato.cz/imgs_system/ferda-mravenec/functions.js
https://www.onlinejazyky.cz/js/jquery-ui-1.10.3.custom.min.js
https://www.onlinejazyky.cz/js/jquery.scrollTo-min.js
https://www.onlinejazyky.cz/js/jquery.magnific-popup.min.js
https://www.onlinejazyky.cz/js/OnlineJazykyPage.js?v=2018-09-13
https://www.onlinejazyky.cz/js/optimato.js
https://shared.optimato.cz/jquery.ui.touch-punch.js
https://www.onlinejazyky.cz/js/jquery.jplayer.min.js
https://www.onlinejazyky.cz/js/jplayer.playlist.min.js
https://www.onlinejazyky.cz/js/jquery.jplayer.inspector.js
https://shared.optimato.cz/highslide.js
https://shared.optimato.cz/highslide_conf.js
https://shared.optimato.cz/jsfx.js
https://shared.optimato.cz/efekty.js
https://www.onlinejazyky.cz/js/jquery.forms.js
https://shared.optimato.cz/slidehide.js
https://shared.optimato.cz/ruzne.js
https://shared.optimato.cz/eshop.js
https://shared.optimato.cz/jquery.cookie.js
https://shared.optimato.cz/json2.js
https://shared.optimato.cz/jquery.form.js
https://shared.optimato.cz/jquery.hoverIntent.js
https://shared.optimato.cz/imgs_system/ferda-mravenec/functions.js
https://www.onlinejazyky.cz/js/jquery-ui-1.10.3.custom.min.js
https://www.onlinejazyky.cz/js/jquery.scrollTo-min.js
https://www.onlinejazyky.cz/js/jquery.magnific-popup.min.js
https://www.onlinejazyky.cz/js/OnlineJazykyPage.js?v=2018-09-13
https://www.onlinejazyky.cz/js/optimato.js
https://shared.optimato.cz/jquery.ui.touch-punch.js
https://www.onlinejazyky.cz/js/jquery.jplayer.min.js
https://www.onlinejazyky.cz/js/jplayer.playlist.min.js
https://www.onlinejazyky.cz/js/jquery.jplayer.inspector.js
Optimize CSS Delivery of the following:
https://www.onlinejazyky.cz/css/bootstrap.min.css
https://www.onlinejazyky.cz/css/webfont.css
https://www.onlinejazyky.cz/font/elusive-webfont.css
https://www.onlinejazyky.cz/css/jquery-ui/jquery-ui-1.10.3.custom.min.css
https://www.onlinejazyky.cz/css/main.css
https://www.onlinejazyky.cz/css/ico.css
https://www.onlinejazyky.cz/css/magnific-popup.css
https://www.onlinejazyky.cz/css/popover.css
https://www.onlinejazyky.cz/css/feature.css
https://www.onlinejazyky.cz/css/blog.css
https://shared.optimato.cz/imgs_system/highslide/highslide.css
https://www.onlinejazyky.cz/styles.php?pa=×tamp=1444128840
https://www.onlinejazyky.cz/dyn.css
https://shared.optimato.cz/imgs_system/ferda-mravenec/style.css
https://fonts.googleapis.com/css?family=Open+Sans:…subset=latin,latin-ext
https://www.onlinejazyky.cz/css/jplayer.blue.monday.css
https://www.onlinejazyky.cz/css/webfont.css
https://www.onlinejazyky.cz/font/elusive-webfont.css
https://www.onlinejazyky.cz/css/jquery-ui/jquery-ui-1.10.3.custom.min.css
https://www.onlinejazyky.cz/css/main.css
https://www.onlinejazyky.cz/css/ico.css
https://www.onlinejazyky.cz/css/magnific-popup.css
https://www.onlinejazyky.cz/css/popover.css
https://www.onlinejazyky.cz/css/feature.css
https://www.onlinejazyky.cz/css/blog.css
https://shared.optimato.cz/imgs_system/highslide/highslide.css
https://www.onlinejazyky.cz/styles.php?pa=×tamp=1444128840
https://www.onlinejazyky.cz/dyn.css
https://shared.optimato.cz/imgs_system/ferda-mravenec/style.css
https://fonts.googleapis.com/css?family=Open+Sans:…subset=latin,latin-ext
https://www.onlinejazyky.cz/css/jplayer.blue.monday.css
priority - 30Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 291.2KiB (80% reduction).
Compressing https://www.onlinejazyky.cz/files/homepage/akce2x.jpg could save 196KiB (80% reduction).
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Compressing https://www.onlinejazyky.cz/img/ico/ico-chevron-up@2x.png could save 4.6KiB (51% reduction).
Compressing and resizing https://www.onlinejazyky.cz/img/homepage/icon-globus@2x.png could save 3.9KiB (81% reduction).
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Compressing and resizing https://www.onlinejazyky.cz/img/homepage/icon-garance@2x.png could save 3.6KiB (80% reduction).
Compressing https://www.onlinejazyky.cz/files/homepage/akce.jpg could save 79.4KiB (83% reduction).
Compressing https://www.onlinejazyky.cz/img/ico/ico-chevron-up@2x.png could save 4.6KiB (51% reduction).
Compressing and resizing https://www.onlinejazyky.cz/img/homepage/icon-globus@2x.png could save 3.9KiB (81% reduction).
Compressing and resizing https://www.onlinejazyky.cz/img/homepage/icon-vyuka@2x.png could save 3.9KiB (80% reduction).
Compressing and resizing https://www.onlinejazyky.cz/img/homepage/icon-garance@2x.png could save 3.6KiB (80% reduction).
priority - 8Leverage 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:
https://www.onlinejazyky.cz/font/Elusive-Icons.woff (expiration not specified)
https://www.onlinejazyky.cz/font/ProximaNova-Bold-webfont.woff (expiration not specified)
https://www.onlinejazyky.cz/font/ProximaNova-Reg-webfont.woff (expiration not specified)
https://www.onlinejazyky.cz/font/ProximaNova-Sbold-webfont.woff (expiration not specified)
https://www.googletagmanager.com/gtm.js?id=GTM-58NTL9 (15 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/136058…24525?v=2.9.2&r=stable (20 minutes)
https://connect.facebook.net/signals/plugins/inferredEvents.js?v=2.9.2 (20 minutes)
https://c182.affilbox.cz/js/module/tracking-v2.js (30 minutes)
https://www.googleadservices.com/pagead/conversion_async.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
https://www.onlinejazyky.cz/font/ProximaNova-Bold-webfont.woff (expiration not specified)
https://www.onlinejazyky.cz/font/ProximaNova-Reg-webfont.woff (expiration not specified)
https://www.onlinejazyky.cz/font/ProximaNova-Sbold-webfont.woff (expiration not specified)
https://www.googletagmanager.com/gtm.js?id=GTM-58NTL9 (15 minutes)
https://connect.facebook.net/en_US/fbevents.js (20 minutes)
https://connect.facebook.net/signals/config/136058…24525?v=2.9.2&r=stable (20 minutes)
https://connect.facebook.net/signals/plugins/inferredEvents.js?v=2.9.2 (20 minutes)
https://c182.affilbox.cz/js/module/tracking-v2.js (30 minutes)
https://www.googleadservices.com/pagead/conversion_async.js (60 minutes)
https://www.google-analytics.com/analytics.js (2 hours)
priority - 1Minify 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 12.4KiB (31% reduction).
Minifying https://www.onlinejazyky.cz/js/jquery.forms.js could save 5KiB (36% reduction) after compression.
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Minifying https://www.onlinejazyky.cz/js/jquery.jplayer.inspector.js could save 963B (28% reduction) after compression.
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Minifying https://shared.optimato.cz/jsfx.js could save 407B (13% reduction) after compression.
Minifying https://www.onlinejazyky.cz/js/jplayer.playlist.min.js could save 274B (12% reduction) after compression.
Minifying https://shared.optimato.cz/jquery.hoverIntent.js could save 181B (29% reduction) after compression.
Minifying https://shared.optimato.cz/jquery.ui.touch-punch.js could save 116B (20% reduction) after compression.
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Minifying https://www.onlinejazyky.cz/js/jquery.jplayer.inspector.js could save 963B (28% reduction) after compression.
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Minifying https://www.onlinejazyky.cz/js/jplayer.playlist.min.js could save 274B (12% reduction) after compression.
Minifying https://shared.optimato.cz/jquery.hoverIntent.js could save 181B (29% reduction) after compression.
Minifying https://shared.optimato.cz/jquery.ui.touch-punch.js could save 116B (20% reduction) after compression.
priority - 1Minify CSS
Compacting CSS code can save many bytes of data and speed up download and parse times.
Minify CSS for the following resources to reduce their size by 6KiB (21% reduction).
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Minifying https://www.onlinejazyky.cz/styles.php?pa=×tamp=1444128840 could save 177B (15% reduction) after compression.
priority - 0Enable 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 4.3KiB (62% reduction).
Compressing https://www.smartsuppchat.com/loader.js could save 4.3KiB (62% reduction).
priority - 0Minify HTML
Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.
Minify HTML for the following resources to reduce their size by 1.8KiB (22% reduction).
Minifying https://www.onlinejazyky.cz/ could save 1.8KiB (22% reduction) after compression.
onlinejazyky.cz Mobile Resource Breakdown
| Total Resources | 113 |
| Number of Hosts | 18 |
| Static Resources | 96 |
| JavaScript Resources | 39 |
| CSS Resources | 19 |
onlinejazyky.cz mobile page usability
Last tested: 2019-08-14
Mobile Usability
Good
98/100
onlinejazyky.cz Mobile Usability Test Quick Summary
priority - 1Size 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="mapa-stranek.html">Mapa stránek</a> and 6 others are close to other tap targets.onlinejazyky.cz HTML validation
Errors
Malformed byte sequence: “e9”.
Line: 22 Column: - 16
"......" Line: 25 Column: - 126
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"......"
Malformed byte sequence: “ed”.
Line: 22 Column: - 32
"......" Line: 25 Column: - 146
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"......" Line: 422 Column: - 642
"......" Line: 422 Column: - 1125
"......" Line: 422 Column: - 1154
"......" Line: 422 Column: - 1156
"......" Line: 422 Column: - 1184
"......" Line: 422 Column: - 1209
"......" Line: 422 Column: - 1211
"......" Line: 422 Column: - 1236
"......" Line: 422 Column: - 1243
"......" Line: 422 Column: - 1271
"......"
"......" Line: 25 Column: - 146
"......" Line: 25 Column: - 187
"......" Line: 25 Column: - 373
"......" Line: 55 Column: - 76
"......" Line: 55 Column: - 117
"......" Line: 94 Column: - 41
"......" Line: 106 Column: - 763
"......" Line: 106 Column: - 913
"......" Line: 169 Column: - 126
"......" Line: 180 Column: - 51
"......" Line: 232 Column: - 66
"......" Line: 233 Column: - 41
"......" Line: 233 Column: - 83
"......" Line: 236 Column: - 130
"......" Line: 239 Column: - 25
"......" Line: 239 Column: - 36
"......" Line: 243 Column: - 89
"......" Line: 243 Column: - 118
"......" Line: 245 Column: - 91
"......" Line: 253 Column: - 65
"......" Line: 257 Column: - 56
"......" Line: 257 Column: - 81
"......" Line: 260 Column: - 75
"......" Line: 261 Column: - 34
"......" Line: 261 Column: - 63
"......" Line: 261 Column: - 72
"......" Line: 261 Column: - 89
"......" Line: 265 Column: - 50
"......" Line: 265 Column: - 85
"......" Line: 265 Column: - 97
"......" Line: 277 Column: - 43
"......" Line: 277 Column: - 71
"......" Line: 282 Column: - 73
"......" Line: 287 Column: - 44
"......" Line: 378 Column: - 108
"......" Line: 378 Column: - 173
"......" Line: 378 Column: - 179
"......" Line: 378 Column: - 230
"......" Line: 378 Column: - 239
"......" Line: 378 Column: - 285
"......" Line: 378 Column: - 291
"......" Line: 390 Column: - 84
"......" Line: 390 Column: - 165
"......" Line: 390 Column: - 186
"......" Line: 390 Column: - 209
"......" Line: 390 Column: - 211
"......" Line: 391 Column: - 20
"......" Line: 391 Column: - 64
"......" Line: 391 Column: - 67
"......" Line: 392 Column: - 20
"......" Line: 392 Column: - 84
"......" Line: 392 Column: - 87
"......" Line: 422 Column: - 557
"......" Line: 422 Column: - 561
"......" Line: 422 Column: - 583
"......" Line: 422 Column: - 601
"......" Line: 422 Column: - 642
"......" Line: 422 Column: - 1125
"......" Line: 422 Column: - 1154
"......" Line: 422 Column: - 1156
"......" Line: 422 Column: - 1184
"......" Line: 422 Column: - 1209
"......" Line: 422 Column: - 1211
"......" Line: 422 Column: - 1236
"......" Line: 422 Column: - 1243
"......" Line: 422 Column: - 1271
"......"
Malformed byte sequence: “e8”.
Line: 25 Column: - 140
"......" Line: 25 Column: - 144
"......" Line: 25 Column: - 156
"......" Line: 25 Column: - 216
"......" Line: 25 Column: - 241
"......" Line: 55 Column: - 70
"......" Line: 55 Column: - 74
"......" Line: 55 Column: - 86
"......" Line: 55 Column: - 146
"......" Line: 55 Column: - 171
"......" Line: 93 Column: - 24
"......" Line: 94 Column: - 35
"......" Line: 94 Column: - 39
"......" Line: 94 Column: - 51
"......" Line: 106 Column: - 458
"......" Line: 106 Column: - 502
"......" Line: 106 Column: - 762
"......" Line: 173 Column: - 98
"......" Line: 178 Column: - 185
"......" Line: 180 Column: - 50
"......" Line: 196 Column: - 36
"......" Line: 201 Column: - 31
"......" Line: 233 Column: - 40
"......" Line: 233 Column: - 94
"......" Line: 257 Column: - 75
"......" Line: 257 Column: - 79
"......" Line: 257 Column: - 91
"......" Line: 261 Column: - 87
"......" Line: 390 Column: - 56
"......" Line: 390 Column: - 195
"......" Line: 391 Column: - 62
"......" Line: 391 Column: - 66
"......" Line: 392 Column: - 82
"......" Line: 392 Column: - 86
"......" Line: 422 Column: - 1063
"......" Line: 422 Column: - 1101
"......" Line: 422 Column: - 1276
"......"
"......" Line: 25 Column: - 144
"......" Line: 25 Column: - 156
"......" Line: 25 Column: - 216
"......" Line: 25 Column: - 241
"......" Line: 55 Column: - 70
"......" Line: 55 Column: - 74
"......" Line: 55 Column: - 86
"......" Line: 55 Column: - 146
"......" Line: 55 Column: - 171
"......" Line: 93 Column: - 24
"......" Line: 94 Column: - 35
"......" Line: 94 Column: - 39
"......" Line: 94 Column: - 51
"......" Line: 106 Column: - 458
"......" Line: 106 Column: - 502
"......" Line: 106 Column: - 762
"......" Line: 173 Column: - 98
"......" Line: 178 Column: - 185
"......" Line: 180 Column: - 50
"......" Line: 196 Column: - 36
"......" Line: 201 Column: - 31
"......" Line: 233 Column: - 40
"......" Line: 233 Column: - 94
"......" Line: 257 Column: - 75
"......" Line: 257 Column: - 79
"......" Line: 257 Column: - 91
"......" Line: 261 Column: - 87
"......" Line: 390 Column: - 56
"......" Line: 390 Column: - 195
"......" Line: 391 Column: - 62
"......" Line: 391 Column: - 66
"......" Line: 392 Column: - 82
"......" Line: 392 Column: - 86
"......" Line: 422 Column: - 1063
"......" Line: 422 Column: - 1101
"......" Line: 422 Column: - 1276
"......"
Malformed byte sequence: “e1”.
Line: 25 Column: - 141
"......" Line: 25 Column: - 191
"......" Line: 25 Column: - 196
"......" Line: 25 Column: - 209
"......" Line: 55 Column: - 71
"......" Line: 55 Column: - 121
"......" Line: 55 Column: - 126
"......" Line: 55 Column: - 139
"......" Line: 94 Column: - 36
"......" Line: 106 Column: - 348
"......" Line: 106 Column: - 1071
"......" Line: 106 Column: - 1138
"......" Line: 106 Column: - 1179
"......" Line: 143 Column: - 95
"......" Line: 149 Column: - 38
"......" Line: 149 Column: - 46
"......" Line: 150 Column: - 14
"......" Line: 150 Column: - 22
"......" Line: 180 Column: - 43
"......" Line: 232 Column: - 69
"......" Line: 233 Column: - 50
"......" Line: 233 Column: - 108
"......" Line: 236 Column: - 133
"......" Line: 239 Column: - 63
"......" Line: 243 Column: - 140
"......" Line: 253 Column: - 61
"......" Line: 253 Column: - 63
"......" Line: 257 Column: - 76
"......" Line: 261 Column: - 49
"......" Line: 265 Column: - 60
"......" Line: 265 Column: - 81
"......" Line: 282 Column: - 51
"......" Line: 356 Column: - 24
"......" Line: 378 Column: - 46
"......" Line: 380 Column: - 104
"......" Line: 390 Column: - 48
"......" Line: 390 Column: - 81
"......" Line: 390 Column: - 162
"......" Line: 390 Column: - 183
"......" Line: 422 Column: - 559
"......" Line: 422 Column: - 597
"......" Line: 422 Column: - 599
"......" Line: 422 Column: - 640
"......" Line: 422 Column: - 1197
"......" Line: 422 Column: - 1200
"......" Line: 422 Column: - 1296
"......" Line: 431 Column: - 2193
"......"
"......" Line: 25 Column: - 191
"......" Line: 25 Column: - 196
"......" Line: 25 Column: - 209
"......" Line: 55 Column: - 71
"......" Line: 55 Column: - 121
"......" Line: 55 Column: - 126
"......" Line: 55 Column: - 139
"......" Line: 94 Column: - 36
"......" Line: 106 Column: - 348
"......" Line: 106 Column: - 1071
"......" Line: 106 Column: - 1138
"......" Line: 106 Column: - 1179
"......" Line: 143 Column: - 95
"......" Line: 149 Column: - 38
"......" Line: 149 Column: - 46
"......" Line: 150 Column: - 14
"......" Line: 150 Column: - 22
"......" Line: 180 Column: - 43
"......" Line: 232 Column: - 69
"......" Line: 233 Column: - 50
"......" Line: 233 Column: - 108
"......" Line: 236 Column: - 133
"......" Line: 239 Column: - 63
"......" Line: 243 Column: - 140
"......" Line: 253 Column: - 61
"......" Line: 253 Column: - 63
"......" Line: 257 Column: - 76
"......" Line: 261 Column: - 49
"......" Line: 265 Column: - 60
"......" Line: 265 Column: - 81
"......" Line: 282 Column: - 51
"......" Line: 356 Column: - 24
"......" Line: 378 Column: - 46
"......" Line: 380 Column: - 104
"......" Line: 390 Column: - 48
"......" Line: 390 Column: - 81
"......" Line: 390 Column: - 162
"......" Line: 390 Column: - 183
"......" Line: 422 Column: - 559
"......" Line: 422 Column: - 597
"......" Line: 422 Column: - 599
"......" Line: 422 Column: - 640
"......" Line: 422 Column: - 1197
"......" Line: 422 Column: - 1200
"......" Line: 422 Column: - 1296
"......" Line: 431 Column: - 2193
"......"
Malformed byte sequence: “f9”.
Line: 25 Column: - 164
"......" Line: 55 Column: - 94
"......" Line: 94 Column: - 59
"......" Line: 257 Column: - 40
"......" Line: 257 Column: - 104
"......" Line: 261 Column: - 97
"......" Line: 265 Column: - 62
"......" Line: 277 Column: - 79
"......" Line: 282 Column: - 35
"......" Line: 356 Column: - 87
"......" Line: 378 Column: - 116
"......" Line: 431 Column: - 2186
"......"
"......" Line: 55 Column: - 94
"......" Line: 94 Column: - 59
"......" Line: 257 Column: - 40
"......" Line: 257 Column: - 104
"......" Line: 261 Column: - 97
"......" Line: 265 Column: - 62
"......" Line: 277 Column: - 79
"......" Line: 282 Column: - 35
"......" Line: 356 Column: - 87
"......" Line: 378 Column: - 116
"......" Line: 431 Column: - 2186
"......"
Malformed byte sequence: “9a”.
Line: 25 Column: - 231
"......" Line: 25 Column: - 248
"......" Line: 25 Column: - 254
"......" Line: 55 Column: - 161
"......" Line: 55 Column: - 178
"......" Line: 55 Column: - 184
"......" Line: 106 Column: - 556
"......" Line: 106 Column: - 607
"......" Line: 106 Column: - 650
"......" Line: 106 Column: - 697
"......" Line: 106 Column: - 863
"......" Line: 106 Column: - 1066
"......" Line: 168 Column: - 109
"......" Line: 206 Column: - 42
"......" Line: 211 Column: - 38
"......" Line: 216 Column: - 30
"......" Line: 221 Column: - 34
"......" Line: 232 Column: - 65
"......" Line: 236 Column: - 129
"......" Line: 238 Column: - 176
"......" Line: 239 Column: - 35
"......" Line: 257 Column: - 232
"......" Line: 261 Column: - 62
"......" Line: 277 Column: - 33
"......" Line: 287 Column: - 26
"......" Line: 287 Column: - 34
"......" Line: 287 Column: - 40
"......" Line: 288 Column: - 83
"......" Line: 380 Column: - 95
"......" Line: 422 Column: - 1242
"......"
"......" Line: 25 Column: - 248
"......" Line: 25 Column: - 254
"......" Line: 55 Column: - 161
"......" Line: 55 Column: - 178
"......" Line: 55 Column: - 184
"......" Line: 106 Column: - 556
"......" Line: 106 Column: - 607
"......" Line: 106 Column: - 650
"......" Line: 106 Column: - 697
"......" Line: 106 Column: - 863
"......" Line: 106 Column: - 1066
"......" Line: 168 Column: - 109
"......" Line: 206 Column: - 42
"......" Line: 211 Column: - 38
"......" Line: 216 Column: - 30
"......" Line: 221 Column: - 34
"......" Line: 232 Column: - 65
"......" Line: 236 Column: - 129
"......" Line: 238 Column: - 176
"......" Line: 239 Column: - 35
"......" Line: 257 Column: - 232
"......" Line: 261 Column: - 62
"......" Line: 277 Column: - 33
"......" Line: 287 Column: - 26
"......" Line: 287 Column: - 34
"......" Line: 287 Column: - 40
"......" Line: 288 Column: - 83
"......" Line: 380 Column: - 95
"......" Line: 422 Column: - 1242
"......"
Malformed byte sequence: “ec”.
Line: 25 Column: - 239
"......" Line: 25 Column: - 252
"......" Line: 55 Column: - 169
"......" Line: 55 Column: - 182
"......" Line: 93 Column: - 40
"......" Line: 93 Column: - 44
"......" Line: 106 Column: - 500
"......" Line: 106 Column: - 605
"......" Line: 173 Column: - 114
"......" Line: 173 Column: - 118
"......" Line: 178 Column: - 201
"......" Line: 178 Column: - 205
"......" Line: 201 Column: - 29
"......" Line: 211 Column: - 36
"......" Line: 233 Column: - 96
"......" Line: 238 Column: - 194
"......" Line: 238 Column: - 204
"......" Line: 253 Column: - 59
"......" Line: 256 Column: - 67
"......" Line: 257 Column: - 27
"......" Line: 261 Column: - 60
"......" Line: 265 Column: - 90
"......" Line: 265 Column: - 101
"......" Line: 282 Column: - 46
"......" Line: 390 Column: - 65
"......" Line: 390 Column: - 221
"......" Line: 422 Column: - 1187
"......" Line: 431 Column: - 2201
"......"
"......" Line: 25 Column: - 252
"......" Line: 55 Column: - 169
"......" Line: 55 Column: - 182
"......" Line: 93 Column: - 40
"......" Line: 93 Column: - 44
"......" Line: 106 Column: - 500
"......" Line: 106 Column: - 605
"......" Line: 173 Column: - 114
"......" Line: 173 Column: - 118
"......" Line: 178 Column: - 201
"......" Line: 178 Column: - 205
"......" Line: 201 Column: - 29
"......" Line: 211 Column: - 36
"......" Line: 233 Column: - 96
"......" Line: 238 Column: - 194
"......" Line: 238 Column: - 204
"......" Line: 253 Column: - 59
"......" Line: 256 Column: - 67
"......" Line: 257 Column: - 27
"......" Line: 261 Column: - 60
"......" Line: 265 Column: - 90
"......" Line: 265 Column: - 101
"......" Line: 282 Column: - 46
"......" Line: 390 Column: - 65
"......" Line: 390 Column: - 221
"......" Line: 422 Column: - 1187
"......" Line: 431 Column: - 2201
"......"
A “charset” attribute on a “meta” element found after the first 1024 bytes.
Line: 25 Column: - 28
"...t="windows-1250" /><meta name=..."
"...t="windows-1250" /><meta name=..."
Internal encoding declaration “windows-1250” disagrees with the actual encoding of the document (“utf-8”).
Line: 25 Column: 1 - 31
".../title> <meta charset="windows-1250" /><meta ..."
".../title> <meta charset="windows-1250" /><meta ..."
Using the “meta” element to specify the document-wide default language is obsolete. Consider specifying the language on the root element instead.
Line: 28 Column: 1 - 49
"...o.cz)" /> <meta http-equiv='content-language' content='cs'> <scri..."
"...o.cz)" /> <meta http-equiv='content-language' content='cs'> <scri..."
Malformed byte sequence: “8a”.
Line: 106 Column: - 243
"......" Line: 106 Column: - 601
"......" Line: 123 Column: - 252
"......" Line: 211 Column: - 32
"......"
"......" Line: 106 Column: - 601
"......" Line: 123 Column: - 252
"......" Line: 211 Column: - 32
"......"
Malformed byte sequence: “d8”.
Line: 106 Column: - 339
"......"
"......"
Malformed byte sequence: “fd”.
Line: 106 Column: - 922
"......" Line: 180 Column: - 35
"......" Line: 232 Column: - 39
"......" Line: 233 Column: - 78
"......" Line: 233 Column: - 86
"......" Line: 233 Column: - 105
"......" Line: 236 Column: - 111
"......" Line: 239 Column: - 50
"......" Line: 243 Column: - 125
"......" Line: 243 Column: - 130
"......" Line: 257 Column: - 31
"......" Line: 260 Column: - 78
"......" Line: 261 Column: - 37
"......" Line: 277 Column: - 53
"......" Line: 282 Column: - 27
"......" Line: 282 Column: - 40
"......" Line: 282 Column: - 48
"......" Line: 287 Column: - 84
"......" Line: 356 Column: - 74
"......" Line: 390 Column: - 100
"......" Line: 392 Column: - 66
"......" Line: 422 Column: - 620
"......" Line: 422 Column: - 1128
"......" Line: 422 Column: - 1205
"......" Line: 422 Column: - 1224
"......" Line: 431 Column: - 2199
"......"
"......" Line: 180 Column: - 35
"......" Line: 232 Column: - 39
"......" Line: 233 Column: - 78
"......" Line: 233 Column: - 86
"......" Line: 233 Column: - 105
"......" Line: 236 Column: - 111
"......" Line: 239 Column: - 50
"......" Line: 243 Column: - 125
"......" Line: 243 Column: - 130
"......" Line: 257 Column: - 31
"......" Line: 260 Column: - 78
"......" Line: 261 Column: - 37
"......" Line: 277 Column: - 53
"......" Line: 282 Column: - 27
"......" Line: 282 Column: - 40
"......" Line: 282 Column: - 48
"......" Line: 287 Column: - 84
"......" Line: 356 Column: - 74
"......" Line: 390 Column: - 100
"......" Line: 392 Column: - 66
"......" Line: 422 Column: - 620
"......" Line: 422 Column: - 1128
"......" Line: 422 Column: - 1205
"......" Line: 422 Column: - 1224
"......" Line: 431 Column: - 2199
"......"
Malformed byte sequence: “c8”.
Line: 106 Column: - 1122
"......" Line: 390 Column: - 199
"......"
"......" Line: 390 Column: - 199
"......"
Malformed byte sequence: “f8”.
Line: 143 Column: - 91
"......" Line: 265 Column: - 96
"......" Line: 378 Column: - 178
"......" Line: 387 Column: - 52
"......"
"......" Line: 265 Column: - 96
"......" Line: 378 Column: - 178
"......" Line: 387 Column: - 52
"......"
Malformed byte sequence: “9e”.
Line: 233 Column: - 47
"......" Line: 282 Column: - 36
"......" Line: 287 Column: - 76
"......" Line: 356 Column: - 28
"......" Line: 378 Column: - 236
"......" Line: 422 Column: - 556
"......" Line: 422 Column: - 1150
"......" Line: 431 Column: - 2187
"......"
"......" Line: 282 Column: - 36
"......" Line: 287 Column: - 76
"......" Line: 356 Column: - 28
"......" Line: 378 Column: - 236
"......" Line: 422 Column: - 556
"......" Line: 422 Column: - 1150
"......" Line: 431 Column: - 2187
"......"
Malformed byte sequence: “fa”.
Line: 238 Column: - 199
"......" Line: 378 Column: - 112
"......" Line: 422 Column: - 1141
"......"
"......" Line: 378 Column: - 112
"......" Line: 422 Column: - 1141
"......"
Malformed byte sequence: “ec”, “9a”.
Line: 238 Column: - 202
"......"
"......"
Malformed byte sequence: “e1”, “9a”.
Line: 241 Column: - 54
"......" Line: 378 Column: - 170
"......"
"......" Line: 378 Column: - 170
"......"
Malformed byte sequence: “f2”.
Line: 242 Column: - 137
"......" Line: 422 Column: - 1151
"......"
"......" Line: 422 Column: - 1151
"......"
Malformed byte sequence: “a9”.
Line: 380 Column: - 30
"......"
"......"
Malformed byte sequence: “a0”.
Line: 390 Column: - 103
"......" Line: 422 Column: - 603
"......" Line: 422 Column: - 623
"......"
"......" Line: 422 Column: - 603
"......" Line: 422 Column: - 623
"......"
Malformed byte sequence: “f3”.
Line: 422 Column: - 1050
"......"
"......"
Malformed byte sequence: “c1”.
Line: 431 Column: - 1169
"......"
"......"
Malformed byte sequence: “cc”.
Line: 431 Column: - 1176
"......"
"......"
Malformed byte sequence: “8e”.
Line: 431 Column: - 1181
"......"
"......"
Malformed byte sequence: “c9”.
Line: 431 Column: - 1190
"......" Line: 431 Column: - 1196
"......"
"......" Line: 431 Column: - 1196
"......"
Warnings
Consider avoiding viewport values that prevent users from resizing documents.
Line: 4 Column: 5 - 130
"...head> <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no"> ..."
"...head> <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no"> ..."
Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)
Line: 103 Column: - 34
"...-close"></span> <div..."
"...-close"></span> <div..."
The “border” attribute is obsolete. Consider specifying “img { border: 0; }” in CSS instead.
Line: 435 Column: 20 - 116
"...<noscript><img src="https://toplist.cz/dot.asp?id=1239721" border="0" alt="TOPlist" width="1" height="1" /></nosc..."
"...<noscript><img src="https://toplist.cz/dot.asp?id=1239721" border="0" alt="TOPlist" width="1" height="1" /></nosc..."
Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.
Line: 2 Column: 16 - 6
"...TYPE html> <html> <hea..."
"...TYPE html> <html> <hea..."
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onlinejazyky.cz 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.
onlinejazyky.cz 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.