cryptool.org Website Information
Daily Unique Visits: 5,266
Daily Page Views: 21,064
Income Per Day: $59
Estimated Value: $31,860
This website is located in Germany and is using following IP address 137.193.65.237. See the complete list of popular websites hosted in Germany.
cryptool.org is registered under .ORG top-level domain. Please check other sites in .ORG zone.
Website cryptool.org is using the following name servers:
- ns2.domaindiscount24.net
- ns3.domaindiscount24.net
- ns1.domaindiscount24.net
and is probably hosted by Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.. See the full list of other websites hosted by Verein zur Foerderung eines Deutschen Forschungsnetzes e.V..
The highest website cryptool.org position in Alexa rank database was 20756 and the lowest rank position was 999361. Current position of cryptool.org in Alexa rank database is 238296.
Desktop speed score of cryptool.org (57/100) is better than the results of 31.79% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of cryptool.org (69/100) is better than the results of 20.4% of other sites and means that the page is not mobile-friendly.
Mobile speed score of cryptool.org (45/100) is better than the results of 25.64% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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cryptool.org 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.
cryptool.org 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.
Domain Name: CRYPTOOL.ORG
Registry Domain ID: D35134606-LROR
Registrar WHOIS Server: whois.rrpproxy.net
Registrar URL: http://www.key-systems.net
Updated Date: 2021-09-09T01:20:39Z
Creation Date: 2000-09-20T16:03:18Z
Registry Expiry Date: 2030-09-20T16:03:18Z
Registrar Registration Expiration Date:
Registrar: Key-Systems GmbH
Registrar IANA ID: 269
Registrar Abuse Contact Email: abuse@key-systems.net
Registrar Abuse Contact Phone: +49.68949396850
Reseller:
Domain Status: ok https://icann.org/epp#ok
Registrant Organization: Universitat Kassel
Registrant State/Province:
Registrant Country: DE
Name Server: NS1.DOMAINDISCOUNT24.NET
Name Server: NS3.DOMAINDISCOUNT24.NET
Name Server: NS2.DOMAINDISCOUNT24.NET
DNSSEC: signedDelegation
URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/)
>>> Last update of WHOIS database: 2022-02-18T08:52:01Z
Registry Domain ID: D35134606-LROR
Registrar WHOIS Server: whois.rrpproxy.net
Registrar URL: http://www.key-systems.net
Updated Date: 2021-09-09T01:20:39Z
Creation Date: 2000-09-20T16:03:18Z
Registry Expiry Date: 2030-09-20T16:03:18Z
Registrar Registration Expiration Date:
Registrar: Key-Systems GmbH
Registrar IANA ID: 269
Registrar Abuse Contact Email: abuse@key-systems.net
Registrar Abuse Contact Phone: +49.68949396850
Reseller:
Domain Status: ok https://icann.org/epp#ok
Registrant Organization: Universitat Kassel
Registrant State/Province:
Registrant Country: DE
Name Server: NS1.DOMAINDISCOUNT24.NET
Name Server: NS3.DOMAINDISCOUNT24.NET
Name Server: NS2.DOMAINDISCOUNT24.NET
DNSSEC: signedDelegation
URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/)
>>> Last update of WHOIS database: 2022-02-18T08:52:01Z
cryptool.org server information
Servers Location
cryptool.org desktop page speed rank
Last tested: 2019-08-17
Desktop Speed
Bad
57/100
cryptool.org Desktop Speed Test Quick Summary
priority - 37Enable 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 357.6KiB (76% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/css/bootstrap.min.css could save 89.2KiB (83% reduction).
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Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/css/template.css could save 36.6KiB (80% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/css/animate.css could save 34KiB (93% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3…s/jquery.mmenu.all.css could save 25.8KiB (86% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/bootstrap.min.js could save 22.7KiB (73% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/css/custom.css could save 17.5KiB (81% reduction).
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Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/css/j-backbone.css could save 10.2KiB (76% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/jquery.mmenu.min.js could save 9KiB (68% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/modernizr.custom.js could save 5KiB (55% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3…/jquery-migrate.min.js could save 4KiB (57% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/bsUpdate.js could save 3.6KiB (79% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/template.js could save 2.8KiB (72% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/j-backbone.js could save 2.1KiB (71% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3…query.mmenu.header.css could save 1.6KiB (70% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3…ry.mmenu.header.min.js could save 1KiB (52% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/jquery.min.js could save 61.1KiB (65% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/css/template.css could save 36.6KiB (80% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/css/animate.css could save 34KiB (93% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3…s/jquery.mmenu.all.css could save 25.8KiB (86% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/bootstrap.min.js could save 22.7KiB (73% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/css/custom.css could save 17.5KiB (81% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3…s/font-awesome.min.css could save 16.5KiB (77% reduction).
Compressing https://www.cryptool.org/de/ could save 14.7KiB (70% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/css/j-backbone.css could save 10.2KiB (76% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/jquery.mmenu.min.js could save 9KiB (68% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/modernizr.custom.js could save 5KiB (55% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3…/jquery-migrate.min.js could save 4KiB (57% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/bsUpdate.js could save 3.6KiB (79% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/template.js could save 2.8KiB (72% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/j-backbone.js could save 2.1KiB (71% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3…query.mmenu.header.css could save 1.6KiB (70% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3…ry.mmenu.header.min.js could save 1KiB (52% reduction).
priority - 23Leverage 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.cryptool.org/images/ctp/images/ctvideo.png (expiration not specified)
https://www.cryptool.org/images/landdi_170.jpg (expiration not specified)
https://www.cryptool.org/media/mod_languages/css/template.css (expiration not specified)
https://www.cryptool.org/media/system/js/caption.js (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/css/animate.css (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/css/bootstrap.min.css (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/css/custom.css (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…s/font-awesome.min.css (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/css/j-backbone.css (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…s/jquery.mmenu.all.css (expiration not specified)
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https://www.cryptool.org/templates/joostrapbase-v3…s/font-awesome.min.css (expiration not specified)
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https://www.cryptool.org/templates/joostrapbase-v3-4/js/j-backbone.js (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…/jquery-migrate.min.js (expiration not specified)
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https://www.cryptool.org/templates/joostrapbase-v3-4/js/template.js (expiration not specified)
priority - 12Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 11 blocking script resources and 9 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://www.cryptool.org/templates/joostrapbase-v3-4/js/jquery.min.js
https://www.cryptool.org/templates/joostrapbase-v3…s/jquery-noconflict.js
https://www.cryptool.org/templates/joostrapbase-v3…/jquery-migrate.min.js
https://www.cryptool.org/media/system/js/caption.js
https://www.cryptool.org/templates/joostrapbase-v3…s/jui/bootstrap.min.js
https://www.cryptool.org/templates/joostrapbase-v3-4/js/bootstrap.min.js
https://www.cryptool.org/templates/joostrapbase-v3-4/js/modernizr.custom.js
https://www.cryptool.org/templates/joostrapbase-v3-4/js/jquery.mmenu.min.js
https://www.cryptool.org/templates/joostrapbase-v3…ry.mmenu.header.min.js
https://www.cryptool.org/templates/joostrapbase-v3-4/js/template.js
https://www.cryptool.org/templates/joostrapbase-v3-4/js/j-backbone.js
https://www.cryptool.org/templates/joostrapbase-v3…s/jquery-noconflict.js
https://www.cryptool.org/templates/joostrapbase-v3…/jquery-migrate.min.js
https://www.cryptool.org/media/system/js/caption.js
https://www.cryptool.org/templates/joostrapbase-v3…s/jui/bootstrap.min.js
https://www.cryptool.org/templates/joostrapbase-v3-4/js/bootstrap.min.js
https://www.cryptool.org/templates/joostrapbase-v3-4/js/modernizr.custom.js
https://www.cryptool.org/templates/joostrapbase-v3-4/js/jquery.mmenu.min.js
https://www.cryptool.org/templates/joostrapbase-v3…ry.mmenu.header.min.js
https://www.cryptool.org/templates/joostrapbase-v3-4/js/template.js
https://www.cryptool.org/templates/joostrapbase-v3-4/js/j-backbone.js
Optimize CSS Delivery of the following:
https://www.cryptool.org/templates/joostrapbase-v3-4/css/bootstrap.min.css
https://www.cryptool.org/templates/joostrapbase-v3…s/font-awesome.min.css
https://www.cryptool.org/templates/joostrapbase-v3-4/css/animate.css
https://www.cryptool.org/templates/joostrapbase-v3-4/css/template.css
https://www.cryptool.org/templates/joostrapbase-v3-4/css/j-backbone.css
https://www.cryptool.org/templates/joostrapbase-v3-4/css/custom.css
https://www.cryptool.org/templates/joostrapbase-v3…s/jquery.mmenu.all.css
https://www.cryptool.org/templates/joostrapbase-v3…query.mmenu.header.css
https://www.cryptool.org/media/mod_languages/css/template.css
https://www.cryptool.org/templates/joostrapbase-v3…s/font-awesome.min.css
https://www.cryptool.org/templates/joostrapbase-v3-4/css/animate.css
https://www.cryptool.org/templates/joostrapbase-v3-4/css/template.css
https://www.cryptool.org/templates/joostrapbase-v3-4/css/j-backbone.css
https://www.cryptool.org/templates/joostrapbase-v3-4/css/custom.css
https://www.cryptool.org/templates/joostrapbase-v3…s/jquery.mmenu.all.css
https://www.cryptool.org/templates/joostrapbase-v3…query.mmenu.header.css
https://www.cryptool.org/media/mod_languages/css/template.css
priority - 3Avoid landing page redirects
Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://cryptool.org/
https://www.cryptool.org/
https://www.cryptool.org/de/
https://www.cryptool.org/
https://www.cryptool.org/de/
priority - 3Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 23KiB (44% reduction).
Losslessly compressing https://www.cryptool.org/images/landdi_170.jpg could save 7.9KiB (56% reduction).
Losslessly compressing https://www.cryptool.org/templates/joostrapbase-v3…es/ctp_bodyBgTrans.png could save 5.9KiB (40% reduction).
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Losslessly compressing https://www.cryptool.org/templates/joostrapbase-v3…ages/linklayerMTC3.png could save 3.1KiB (87% reduction).
Losslessly compressing https://www.cryptool.org/templates/joostrapbase-v3-4/images/pageBgTrans.png could save 1.8KiB (25% reduction).
Losslessly compressing https://www.cryptool.org/templates/joostrapbase-v3…ages/ctp_logoTrans.png could save 1.3KiB (22% reduction).
Losslessly compressing https://www.cryptool.org/templates/joostrapbase-v3…es/ctp_bodyBgTrans.png could save 5.9KiB (40% reduction).
Losslessly compressing https://www.cryptool.org/templates/joostrapbase-v3…ctp_headerBgNoLogo.png could save 3.1KiB (40% reduction).
Losslessly compressing https://www.cryptool.org/templates/joostrapbase-v3…ages/linklayerMTC3.png could save 3.1KiB (87% reduction).
Losslessly compressing https://www.cryptool.org/templates/joostrapbase-v3-4/images/pageBgTrans.png could save 1.8KiB (25% reduction).
Losslessly compressing https://www.cryptool.org/templates/joostrapbase-v3…ages/ctp_logoTrans.png could save 1.3KiB (22% reduction).
priority - 3Minify 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 24.1KiB (17% reduction).
Minifying https://www.cryptool.org/templates/joostrapbase-v3-4/css/animate.css could save 8.1KiB (23% reduction).
Minifying https://www.cryptool.org/templates/joostrapbase-v3…s/jquery.mmenu.all.css could save 4.5KiB (16% reduction).
Minifying https://www.cryptool.org/templates/joostrapbase-v3-4/css/template.css could save 4.5KiB (10% reduction).
Minifying https://www.cryptool.org/templates/joostrapbase-v3-4/css/custom.css could save 4.5KiB (21% reduction).
Minifying https://www.cryptool.org/templates/joostrapbase-v3-4/css/j-backbone.css could save 2.5KiB (19% reduction).
Minifying https://www.cryptool.org/templates/joostrapbase-v3…s/jquery.mmenu.all.css could save 4.5KiB (16% reduction).
Minifying https://www.cryptool.org/templates/joostrapbase-v3-4/css/template.css could save 4.5KiB (10% reduction).
Minifying https://www.cryptool.org/templates/joostrapbase-v3-4/css/custom.css could save 4.5KiB (21% reduction).
Minifying https://www.cryptool.org/templates/joostrapbase-v3-4/css/j-backbone.css could save 2.5KiB (19% reduction).
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 3.6KiB (52% reduction).
Minifying https://www.cryptool.org/templates/joostrapbase-v3-4/js/template.js could save 2KiB (51% reduction).
Minifying https://www.cryptool.org/templates/joostrapbase-v3-4/js/j-backbone.js could save 1.6KiB (55% reduction).
Minifying https://www.cryptool.org/templates/joostrapbase-v3-4/js/j-backbone.js could save 1.6KiB (55% reduction).
priority - 0Reduce server response time
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 2.2KiB (11% reduction).
Minifying https://www.cryptool.org/de/ could save 2.2KiB (11% reduction).
cryptool.org Desktop Resource Breakdown
| Total Resources | 49 |
| Number of Hosts | 2 |
| Static Resources | 45 |
| JavaScript Resources | 12 |
| CSS Resources | 9 |
cryptool.org mobile page speed rank
Last tested: 2019-10-09
Mobile Speed
Bad
45/100
cryptool.org Mobile Speed Test Quick Summary
priority - 48Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 11 blocking script resources and 9 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
https://www.cryptool.org/templates/joostrapbase-v3-4/js/jquery.min.js
https://www.cryptool.org/templates/joostrapbase-v3…s/jquery-noconflict.js
https://www.cryptool.org/templates/joostrapbase-v3…/jquery-migrate.min.js
https://www.cryptool.org/media/system/js/caption.js
https://www.cryptool.org/templates/joostrapbase-v3…s/jui/bootstrap.min.js
https://www.cryptool.org/templates/joostrapbase-v3-4/js/bootstrap.min.js
https://www.cryptool.org/templates/joostrapbase-v3-4/js/modernizr.custom.js
https://www.cryptool.org/templates/joostrapbase-v3-4/js/jquery.mmenu.min.js
https://www.cryptool.org/templates/joostrapbase-v3…ry.mmenu.header.min.js
https://www.cryptool.org/templates/joostrapbase-v3-4/js/template.js
https://www.cryptool.org/templates/joostrapbase-v3-4/js/j-backbone.js
https://www.cryptool.org/templates/joostrapbase-v3…s/jquery-noconflict.js
https://www.cryptool.org/templates/joostrapbase-v3…/jquery-migrate.min.js
https://www.cryptool.org/media/system/js/caption.js
https://www.cryptool.org/templates/joostrapbase-v3…s/jui/bootstrap.min.js
https://www.cryptool.org/templates/joostrapbase-v3-4/js/bootstrap.min.js
https://www.cryptool.org/templates/joostrapbase-v3-4/js/modernizr.custom.js
https://www.cryptool.org/templates/joostrapbase-v3-4/js/jquery.mmenu.min.js
https://www.cryptool.org/templates/joostrapbase-v3…ry.mmenu.header.min.js
https://www.cryptool.org/templates/joostrapbase-v3-4/js/template.js
https://www.cryptool.org/templates/joostrapbase-v3-4/js/j-backbone.js
Optimize CSS Delivery of the following:
https://www.cryptool.org/templates/joostrapbase-v3-4/css/bootstrap.min.css
https://www.cryptool.org/templates/joostrapbase-v3…s/font-awesome.min.css
https://www.cryptool.org/templates/joostrapbase-v3-4/css/animate.css
https://www.cryptool.org/templates/joostrapbase-v3-4/css/template.css
https://www.cryptool.org/templates/joostrapbase-v3-4/css/j-backbone.css
https://www.cryptool.org/templates/joostrapbase-v3-4/css/custom.css
https://www.cryptool.org/templates/joostrapbase-v3…s/jquery.mmenu.all.css
https://www.cryptool.org/templates/joostrapbase-v3…query.mmenu.header.css
https://www.cryptool.org/media/mod_languages/css/template.css
https://www.cryptool.org/templates/joostrapbase-v3…s/font-awesome.min.css
https://www.cryptool.org/templates/joostrapbase-v3-4/css/animate.css
https://www.cryptool.org/templates/joostrapbase-v3-4/css/template.css
https://www.cryptool.org/templates/joostrapbase-v3-4/css/j-backbone.css
https://www.cryptool.org/templates/joostrapbase-v3-4/css/custom.css
https://www.cryptool.org/templates/joostrapbase-v3…s/jquery.mmenu.all.css
https://www.cryptool.org/templates/joostrapbase-v3…query.mmenu.header.css
https://www.cryptool.org/media/mod_languages/css/template.css
priority - 37Enable 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 357.6KiB (76% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/css/bootstrap.min.css could save 89.2KiB (83% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/jquery.min.js could save 61.1KiB (65% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/css/template.css could save 36.6KiB (80% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/css/animate.css could save 34KiB (93% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3…s/jquery.mmenu.all.css could save 25.8KiB (86% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/bootstrap.min.js could save 22.7KiB (73% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/css/custom.css could save 17.5KiB (81% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3…s/font-awesome.min.css could save 16.5KiB (77% reduction).
Compressing https://www.cryptool.org/de/ could save 14.7KiB (70% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/css/j-backbone.css could save 10.2KiB (76% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/jquery.mmenu.min.js could save 9KiB (68% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/modernizr.custom.js could save 5KiB (55% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3…/jquery-migrate.min.js could save 4KiB (57% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/bsUpdate.js could save 3.6KiB (79% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/template.js could save 2.8KiB (72% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/j-backbone.js could save 2.1KiB (71% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3…query.mmenu.header.css could save 1.6KiB (70% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3…ry.mmenu.header.min.js could save 1KiB (52% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/jquery.min.js could save 61.1KiB (65% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/css/template.css could save 36.6KiB (80% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/css/animate.css could save 34KiB (93% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3…s/jquery.mmenu.all.css could save 25.8KiB (86% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/bootstrap.min.js could save 22.7KiB (73% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/css/custom.css could save 17.5KiB (81% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3…s/font-awesome.min.css could save 16.5KiB (77% reduction).
Compressing https://www.cryptool.org/de/ could save 14.7KiB (70% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/css/j-backbone.css could save 10.2KiB (76% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/jquery.mmenu.min.js could save 9KiB (68% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/modernizr.custom.js could save 5KiB (55% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3…/jquery-migrate.min.js could save 4KiB (57% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/bsUpdate.js could save 3.6KiB (79% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/template.js could save 2.8KiB (72% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3-4/js/j-backbone.js could save 2.1KiB (71% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3…query.mmenu.header.css could save 1.6KiB (70% reduction).
Compressing https://www.cryptool.org/templates/joostrapbase-v3…ry.mmenu.header.min.js could save 1KiB (52% reduction).
priority - 32Leverage 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.cryptool.org/images/ctp/images/ctvideo.png (expiration not specified)
https://www.cryptool.org/images/landdi_170.jpg (expiration not specified)
https://www.cryptool.org/media/mod_languages/css/template.css (expiration not specified)
https://www.cryptool.org/media/system/js/caption.js (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/css/animate.css (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/css/bootstrap.min.css (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/css/custom.css (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…s/font-awesome.min.css (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/css/j-backbone.css (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…s/jquery.mmenu.all.css (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…query.mmenu.header.css (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/css/template.css (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/images/bg-image.jpg (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…ct1_logoSmallTrans.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…ct2_logoSmallTrans.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…t_topNavIconsTrans.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…cto_logoSmallTrans.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…es/ctp_bodyBgTrans.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…ctp_headerBgNoLogo.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…ogoSmallWhiteTrans.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…ages/ctp_logoTrans.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…jct_logoSmallTrans.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/images/linklayerCP.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…es/linklayerCT2_PS.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…es/linklayerCTO_PS.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…es/linklayerCTP_PS.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…ges/linklayerCT_PS.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…mages/linklayerJCT.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…ages/linklayerMTC3.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…mtc_logoSmallTrans.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/images/pageBgTrans.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/js/bootstrap.min.js (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/js/bsUpdate.js (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/js/j-backbone.js (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…/jquery-migrate.min.js (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…s/jquery-noconflict.js (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/js/jquery.min.js (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…ry.mmenu.header.min.js (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/js/jquery.mmenu.min.js (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…s/jui/bootstrap.min.js (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/js/modernizr.custom.js (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/js/template.js (expiration not specified)
https://www.cryptool.org/images/landdi_170.jpg (expiration not specified)
https://www.cryptool.org/media/mod_languages/css/template.css (expiration not specified)
https://www.cryptool.org/media/system/js/caption.js (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/css/animate.css (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/css/bootstrap.min.css (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/css/custom.css (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…s/font-awesome.min.css (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/css/j-backbone.css (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…s/jquery.mmenu.all.css (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…query.mmenu.header.css (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/css/template.css (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/images/bg-image.jpg (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…ct1_logoSmallTrans.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…ct2_logoSmallTrans.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…t_topNavIconsTrans.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…cto_logoSmallTrans.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…es/ctp_bodyBgTrans.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…ctp_headerBgNoLogo.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…ogoSmallWhiteTrans.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…ages/ctp_logoTrans.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…jct_logoSmallTrans.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/images/linklayerCP.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…es/linklayerCT2_PS.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…es/linklayerCTO_PS.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…es/linklayerCTP_PS.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…ges/linklayerCT_PS.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…mages/linklayerJCT.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…ages/linklayerMTC3.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…mtc_logoSmallTrans.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/images/pageBgTrans.png (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/js/bootstrap.min.js (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/js/bsUpdate.js (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/js/j-backbone.js (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…/jquery-migrate.min.js (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…s/jquery-noconflict.js (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/js/jquery.min.js (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…ry.mmenu.header.min.js (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/js/jquery.mmenu.min.js (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3…s/jui/bootstrap.min.js (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/js/modernizr.custom.js (expiration not specified)
https://www.cryptool.org/templates/joostrapbase-v3-4/js/template.js (expiration not specified)
priority - 10Avoid landing page redirects
Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.
Avoid landing page redirects for the following chain of redirected URLs.
http://cryptool.org/
https://www.cryptool.org/
https://www.cryptool.org/de/
https://www.cryptool.org/
https://www.cryptool.org/de/
priority - 3Minify 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 24.1KiB (17% reduction).
Minifying https://www.cryptool.org/templates/joostrapbase-v3-4/css/animate.css could save 8.1KiB (23% reduction).
Minifying https://www.cryptool.org/templates/joostrapbase-v3…s/jquery.mmenu.all.css could save 4.5KiB (16% reduction).
Minifying https://www.cryptool.org/templates/joostrapbase-v3-4/css/template.css could save 4.5KiB (10% reduction).
Minifying https://www.cryptool.org/templates/joostrapbase-v3-4/css/custom.css could save 4.5KiB (21% reduction).
Minifying https://www.cryptool.org/templates/joostrapbase-v3-4/css/j-backbone.css could save 2.5KiB (19% reduction).
Minifying https://www.cryptool.org/templates/joostrapbase-v3…s/jquery.mmenu.all.css could save 4.5KiB (16% reduction).
Minifying https://www.cryptool.org/templates/joostrapbase-v3-4/css/template.css could save 4.5KiB (10% reduction).
Minifying https://www.cryptool.org/templates/joostrapbase-v3-4/css/custom.css could save 4.5KiB (21% reduction).
Minifying https://www.cryptool.org/templates/joostrapbase-v3-4/css/j-backbone.css could save 2.5KiB (19% reduction).
priority - 3Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 23KiB (44% reduction).
Losslessly compressing https://www.cryptool.org/images/landdi_170.jpg could save 7.9KiB (56% reduction).
Losslessly compressing https://www.cryptool.org/templates/joostrapbase-v3…es/ctp_bodyBgTrans.png could save 5.9KiB (40% reduction).
Losslessly compressing https://www.cryptool.org/templates/joostrapbase-v3…ctp_headerBgNoLogo.png could save 3.1KiB (40% reduction).
Losslessly compressing https://www.cryptool.org/templates/joostrapbase-v3…ages/linklayerMTC3.png could save 3.1KiB (87% reduction).
Losslessly compressing https://www.cryptool.org/templates/joostrapbase-v3-4/images/pageBgTrans.png could save 1.8KiB (25% reduction).
Losslessly compressing https://www.cryptool.org/templates/joostrapbase-v3…ages/ctp_logoTrans.png could save 1.3KiB (22% reduction).
Losslessly compressing https://www.cryptool.org/templates/joostrapbase-v3…es/ctp_bodyBgTrans.png could save 5.9KiB (40% reduction).
Losslessly compressing https://www.cryptool.org/templates/joostrapbase-v3…ctp_headerBgNoLogo.png could save 3.1KiB (40% reduction).
Losslessly compressing https://www.cryptool.org/templates/joostrapbase-v3…ages/linklayerMTC3.png could save 3.1KiB (87% reduction).
Losslessly compressing https://www.cryptool.org/templates/joostrapbase-v3-4/images/pageBgTrans.png could save 1.8KiB (25% reduction).
Losslessly compressing https://www.cryptool.org/templates/joostrapbase-v3…ages/ctp_logoTrans.png could save 1.3KiB (22% reduction).
priority - 1Reduce server response time
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 3.6KiB (52% reduction).
Minifying https://www.cryptool.org/templates/joostrapbase-v3-4/js/template.js could save 2KiB (51% reduction).
Minifying https://www.cryptool.org/templates/joostrapbase-v3-4/js/j-backbone.js could save 1.6KiB (55% reduction).
Minifying https://www.cryptool.org/templates/joostrapbase-v3-4/js/j-backbone.js could save 1.6KiB (55% 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 2.2KiB (11% reduction).
Minifying https://www.cryptool.org/de/ could save 2.2KiB (11% reduction).
cryptool.org Mobile Resource Breakdown
| Total Resources | 46 |
| Number of Hosts | 2 |
| Static Resources | 42 |
| JavaScript Resources | 12 |
| CSS Resources | 9 |
cryptool.org mobile page usability
Last tested: 2019-10-09
Mobile Usability
Medium
69/100
cryptool.org Mobile Usability Test Quick Summary
priority - 42Size content to viewport
The page content is too wide for the viewport, forcing the user to scroll horizontally. Size the page content to the viewport to provide a better user experience.
The page content is 680 CSS pixels wide, but the viewport is only 375 CSS pixels wide. The following elements fall outside the viewport:
The element
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The element
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<label for="mod-search-searchword" class="sr-only">Suchen ...</label> falls outside the viewport.The element
<input id="mod-search-searchword" type="text" name="searchword" class="inputbox searc…y input-medium"> falls outside the viewport.The element
<button class="button btn-def…hasTooltip btn"></button> falls outside the viewport.The element
<a href="/de/startseite" class="topNav-home">Startseite</a> falls outside the viewport.The element
<p>Sprache</p> falls outside the viewport.The element
<div class="logo pull-left"></div> falls outside the viewport.The element
<span class="icon-bar"> falls outside the viewport.The element
<span class="icon-bar"> falls outside the viewport.The element
<span class="icon-bar"> falls outside the viewport.The element
<div id="slider">PORTALCrypTool…JCrypTool</div> falls outside the viewport.The element
<h4>CrypTool Neuigkeiten</h4> falls outside the viewport.The element
<h4 class="newsflash-title">Kryptologie-Sp…-- 4. Auflage</h4> falls outside the viewport.The element
<p>Am 1.6.2015 st…eröffentlicht.</p> falls outside the viewport.The element
<h4 class="newsflash-title">CT 2.0 released</h4> falls outside the viewport.The element
<div>Die Releasever…. (25.08.2014)</div> falls outside the viewport.The element
<h4 class="newsflash-title">Artikel in Cry…ntransposition</h4> falls outside the viewport.The element
<a href="https://www.my…/doppelwuerfel">doppelten Spaltentransposition</a> falls outside the viewport.The element
<i>"I have been u…eptember 2012)</i> falls outside the viewport.The element
<h2 class="item-title">Das CrypTool-Portal</h2> falls outside the viewport.The element
<a href="/jcryptool">JCT</a> falls outside the viewport.The element
<a href="/cryptool-online">CTO</a> falls outside the viewport.The element
<li>CrypTool 1 (CT…: CT2 und JCT.</li> falls outside the viewport.The element
<li>CrypTool 2 (CT…unter Windows.</li> falls outside the viewport.The element
<li>Das plattformu…uszuprobieren.</li> falls outside the viewport.The element
<li>CrypTool-Onlin…uszuprobieren.</li> falls outside the viewport.The element
<li>MTC3 ist ein i…rigkeitsgrade.</li> falls outside the viewport.The element
<h2 class="item-title">CrypTool-Video</h2> falls outside the viewport.The element
<img src="/images/ctp/images/ctvideo.png"> falls outside the viewport.The element
<h2 class="item-title">Auszeichnungen</h2> falls outside the viewport.The element
<li>Deutschland —…der Ideen 2008</li> falls outside the viewport.The element
<li>European Infor…ity Award 2004</li> falls outside the viewport.The element
<li>IT-Sicherheitspreis NRW 2004</li> falls outside the viewport.The element
<li>TeleTrusT-Förderpreis 2004</li> falls outside the viewport.The element
<p class="readmore">Weiterlesen: Auszeichnungen</p> falls outside the viewport.The element
<ul id="pageSwitcher" class="nav menu">PORTALCrypTool…3Schülerkrypto</ul> falls outside the viewport.The element
<ul class="nav menu">Impressum| Kon…tieren Sie uns</ul> falls outside the viewport.The element
<div class="container">Copyright © 19…5 Contributors</div> falls outside the viewport.priority - 2Size 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
The tap target
The tap target
The tap target
The tap target
The tap target
The tap target
The tap target
<a href="/de/" class="cm-ctp active">PORTAL</a> is close to 2 other tap targets.The tap target
<a href="/de/cryptool1" class="cm-ct1">CrypTool 1</a> is close to 3 other tap targets.The tap target
<a href="/de/cryptool2" class="cm-ct2">CrypTool 2</a> is close to 3 other tap targets.The tap target
<a href="/de/jcryptool" class="cm-jct">JCrypTool</a> is close to 3 other tap targets.The tap target
<a href="https://www.cr…portal.org/de/" class="cm-cp">cryptoportal</a> and 1 others are close to other tap targets.The tap target
<a href="/de/cryptool-online" class="cm-cto">CTO</a> is close to 3 other tap targets.The tap target
<a href="/de/mtc3" class="cm-mtc3">MTC3</a> is close to 3 other tap targets.The tap target
<a href="/de/ctp-impressum">Impressum</a> and 1 others are close to other tap targets.cryptool.org HTML validation
Errors
An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.
Line: 71 Column: 9 - 88
"...> <img id="bgImage" src="/templates/joostrapbase-v3-4/images/ctp_bodyBgTrans.png"> <he..."
"...> <img id="bgImage" src="/templates/joostrapbase-v3-4/images/ctp_bodyBgTrans.png"> <he..."
No space between attributes.
Line: 87 Column: - 45
"...s="topNav-home"href="/de/start..." Line: 123 Column: - 150
"...le="Cryptool 1"href="/de/crypt..." Line: 123 Column: - 248
"...le="Cryptool 2"href="/de/crypt..." Line: 123 Column: - 345
"...tle="JCrypTool"href="/de/jcryp..." Line: 123 Column: - 576
"...rypTool Online"href="/de/crypt..." Line: 123 Column: - 685
"...teryTwister C3"href="/de/mtc3"..."
"...s="topNav-home"href="/de/start..." Line: 123 Column: - 150
"...le="Cryptool 1"href="/de/crypt..." Line: 123 Column: - 248
"...le="Cryptool 2"href="/de/crypt..." Line: 123 Column: - 345
"...tle="JCrypTool"href="/de/jcryp..." Line: 123 Column: - 576
"...rypTool Online"href="/de/crypt..." Line: 123 Column: - 685
"...teryTwister C3"href="/de/mtc3"..."
Attribute “type” not allowed on element “div” at this point.
Line: 112 Column: 6 - 79
"...ar"> <div type="button" class="navbar-toggle navbar-btn pull-right visible-xs"> ..."
"...ar"> <div type="button" class="navbar-toggle navbar-btn pull-right visible-xs"> ..."
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
Line: 322 Column: 1 - 39
"...> <style scoped="scoped" type="text/css"><!-- ...."
"...> <style scoped="scoped" type="text/css"><!-- ...."
The text content of element “style” was not in the required format: Content contains the character sequence “<!--” without a later occurrence of the character sequence “-->”.
Line: 381 Column: 35 - 42
"...deal with:</style> <div ..."
"...deal with:</style> <div ..."
Saw a start tag “image”.
Line: 441 Column: 1 - 75
"...print()"> <image src="/images/print.svg" style="height: 25px" title="Print/Drucken"/> </a><..."
"...print()"> <image src="/images/print.svg" style="height: 25px" title="Print/Drucken"/> </a><..."
Stray end tag “div”.
Line: 492 Column: 5 - 10
"... </a> </div> <sc..."
"... </a> </div> <sc..."
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cryptool.org 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.
cryptool.org 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.