jcu.cz Website Information
Daily Unique Visits: 42,771
Daily Page Views: 256,626
Income Per Day: $513
Estimated Value: $369,360
This website is located in Czech Republic and is using following IP address 160.217.6.112. See the complete list of popular websites hosted in Czech Republic.
jcu.cz is registered under .CZ top-level domain. Please check other sites in .CZ zone.
Website jcu.cz is using the following name servers:
- hera.zcu.cz
- taurus.zf.jcu.cz
- virgo.jcu.cz
and is probably hosted by CESNET z.s.p.o.. See the full list of other websites hosted by CESNET z.s.p.o..
The highest website jcu.cz position in Alexa rank database was 15870 and the lowest rank position was 950128. Current position of jcu.cz in Alexa rank database is 33533.
Desktop speed score of jcu.cz (71/100) is better than the results of 52.66% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of jcu.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 jcu.cz (59/100) is better than the results of 52.41% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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jcu.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.
jcu.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.
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jcu.cz server information
Servers Location
jcu.cz desktop page speed rank
Last tested: 2017-04-21
Desktop Speed
Medium
71/100
jcu.cz Desktop Speed Test Quick Summary
priority - 21Leverage 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://www.jcu.cz/JU/@@jcu-vars.js (expiration not specified)
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https://connect.facebook.net/signals/config/553187261525621?v=stable (20 minutes)
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http://www.jcu.cz/++theme++jcu.theme/js/trunk8.js (24 hours)
priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 11 blocking script resources and 8 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://www.jcu.cz/++theme++jcu.theme/assets/ie10-viewport-bug-workaround.js
http://www.jcu.cz/++theme++jcu.theme/js/jquery-1.8.1.min.js
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http://www.jcu.cz/++theme++jcu.theme/js/new_slider/jquery.cycle2.js
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http://www.jcu.cz/JU/@@jcu-vars.js
http://www.jcu.cz/++theme++jcu.theme/js/new_slider/jquery.cycle2.js
http://www.jcu.cz/++theme++jcu.theme/js/jquery.tabslet.js
Optimize CSS Delivery of the following:
https://fonts.googleapis.com/css?family=Noto+Sans:…subset=latin,latin-ext
https://fonts.googleapis.com/css?family=Noto+Serif…subset=latin,latin-ext
http://www.jcu.cz/++theme++jcu.theme/dist/css/bootstrap.css
http://www.jcu.cz/++theme++jcu.theme/css/jquery.fancybox-jcu.css
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http://www.jcu.cz/++theme++jcu.theme/css/plone.css
http://www.jcu.cz/++theme++jcu.theme/css/main.css
http://www.jcu.cz/++theme++jcu.theme/css/new_slider.css
https://fonts.googleapis.com/css?family=Noto+Serif…subset=latin,latin-ext
http://www.jcu.cz/++theme++jcu.theme/dist/css/bootstrap.css
http://www.jcu.cz/++theme++jcu.theme/css/jquery.fancybox-jcu.css
http://www.jcu.cz/++theme++jcu.theme/css/jquerytools.overlays.css
http://www.jcu.cz/++theme++jcu.theme/css/plone.css
http://www.jcu.cz/++theme++jcu.theme/css/main.css
http://www.jcu.cz/++theme++jcu.theme/css/new_slider.css
priority - 6Optimize images
Properly formatting and compressing images can save many bytes of data.
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priority - 5Reduce server response time
priority - 1Minify JavaScript
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priority - 0Minify CSS
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jcu.cz Desktop Resource Breakdown
| Total Resources | 71 |
| Number of Hosts | 7 |
| Static Resources | 64 |
| JavaScript Resources | 15 |
| CSS Resources | 9 |
jcu.cz mobile page speed rank
Last tested: 2017-04-20
Mobile Speed
Bad
59/100
jcu.cz Mobile Speed Test Quick Summary
priority - 32Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 11 blocking script resources and 8 blocking CSS resources. This causes a delay in rendering your page.
Remove render-blocking JavaScript:
http://www.jcu.cz/++theme++jcu.theme/assets/ie10-viewport-bug-workaround.js
http://www.jcu.cz/++theme++jcu.theme/js/jquery-1.8.1.min.js
http://www.jcu.cz/++theme++jcu.theme/js/trunk8.js
http://www.jcu.cz/++theme++jcu.theme/js/jquery.cookie-1.4.1.min.js
http://www.jcu.cz/++theme++jcu.theme/js/jquerytools.js
http://www.jcu.cz/++theme++jcu.theme/js/jquerytools.form.js
http://www.jcu.cz/++theme++jcu.theme/js/jquerytools.overlayhelpers.js
http://www.jcu.cz/++theme++jcu.theme/js/jquery.fancybox-jcu.js
http://www.jcu.cz/JU/@@jcu-vars.js
http://www.jcu.cz/++theme++jcu.theme/js/new_slider/jquery.cycle2.js
http://www.jcu.cz/++theme++jcu.theme/js/jquery.tabslet.js
http://www.jcu.cz/++theme++jcu.theme/js/jquery-1.8.1.min.js
http://www.jcu.cz/++theme++jcu.theme/js/trunk8.js
http://www.jcu.cz/++theme++jcu.theme/js/jquery.cookie-1.4.1.min.js
http://www.jcu.cz/++theme++jcu.theme/js/jquerytools.js
http://www.jcu.cz/++theme++jcu.theme/js/jquerytools.form.js
http://www.jcu.cz/++theme++jcu.theme/js/jquerytools.overlayhelpers.js
http://www.jcu.cz/++theme++jcu.theme/js/jquery.fancybox-jcu.js
http://www.jcu.cz/JU/@@jcu-vars.js
http://www.jcu.cz/++theme++jcu.theme/js/new_slider/jquery.cycle2.js
http://www.jcu.cz/++theme++jcu.theme/js/jquery.tabslet.js
Optimize CSS Delivery of the following:
https://fonts.googleapis.com/css?family=Noto+Sans:…subset=latin,latin-ext
https://fonts.googleapis.com/css?family=Noto+Serif…subset=latin,latin-ext
http://www.jcu.cz/++theme++jcu.theme/dist/css/bootstrap.css
http://www.jcu.cz/++theme++jcu.theme/css/jquery.fancybox-jcu.css
http://www.jcu.cz/++theme++jcu.theme/css/jquerytools.overlays.css
http://www.jcu.cz/++theme++jcu.theme/css/plone.css
http://www.jcu.cz/++theme++jcu.theme/css/main.css
http://www.jcu.cz/++theme++jcu.theme/css/new_slider.css
https://fonts.googleapis.com/css?family=Noto+Serif…subset=latin,latin-ext
http://www.jcu.cz/++theme++jcu.theme/dist/css/bootstrap.css
http://www.jcu.cz/++theme++jcu.theme/css/jquery.fancybox-jcu.css
http://www.jcu.cz/++theme++jcu.theme/css/jquerytools.overlays.css
http://www.jcu.cz/++theme++jcu.theme/css/plone.css
http://www.jcu.cz/++theme++jcu.theme/css/main.css
http://www.jcu.cz/++theme++jcu.theme/css/new_slider.css
priority - 29Leverage 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://www.jcu.cz/JU/@@jcu-vars.js (expiration not specified)
http://connect.facebook.net/en_US/fbevents.js (20 minutes)
http://www.google-analytics.com/ga.js (2 hours)
http://www.jcu.cz/++resource++logo.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/assets/ie10-viewport-bug-workaround.js (24 hours)
http://www.jcu.cz/++theme++jcu.theme/css/jquery.fancybox-jcu.css (24 hours)
http://www.jcu.cz/++theme++jcu.theme/css/jquerytools.overlays.css (24 hours)
http://www.jcu.cz/++theme++jcu.theme/css/main.css (24 hours)
http://www.jcu.cz/++theme++jcu.theme/css/new_slider.css (24 hours)
http://www.jcu.cz/++theme++jcu.theme/css/plone.css (24 hours)
http://www.jcu.cz/++theme++jcu.theme/css/print.css (24 hours)
http://www.jcu.cz/++theme++jcu.theme/dist/css/bootstrap.css (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/bg-foot.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/agri-fac.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/bulb.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/compass.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/czv.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/econom-fac.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/edu-fac.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/facebook-48px.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/fish-fac.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/instagram-48px.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/jcu-magazin.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/library.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/magnifier.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/med-soc-fac.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/more-arrow.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/nature-fac.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/pen.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/phylos-fac.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/smile-magnifier.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/stag.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/theology-fac.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/twitter-48px.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/yoututbe-48px.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/js/jquery-1.8.1.min.js (24 hours)
http://www.jcu.cz/++theme++jcu.theme/js/jquery.cookie-1.4.1.min.js (24 hours)
http://www.jcu.cz/++theme++jcu.theme/js/jquery.fancybox-jcu.js (24 hours)
http://www.jcu.cz/++theme++jcu.theme/js/jquery.tabslet.js (24 hours)
http://www.jcu.cz/++theme++jcu.theme/js/jquerytools.form.js (24 hours)
http://www.jcu.cz/++theme++jcu.theme/js/jquerytools.js (24 hours)
http://www.jcu.cz/++theme++jcu.theme/js/jquerytools.overlayhelpers.js (24 hours)
http://www.jcu.cz/++theme++jcu.theme/js/main.js (24 hours)
http://www.jcu.cz/++theme++jcu.theme/js/new_slider/jquery.cycle2.js (24 hours)
http://www.jcu.cz/++theme++jcu.theme/js/trunk8.js (24 hours)
http://connect.facebook.net/en_US/fbevents.js (20 minutes)
http://www.google-analytics.com/ga.js (2 hours)
http://www.jcu.cz/++resource++logo.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/assets/ie10-viewport-bug-workaround.js (24 hours)
http://www.jcu.cz/++theme++jcu.theme/css/jquery.fancybox-jcu.css (24 hours)
http://www.jcu.cz/++theme++jcu.theme/css/jquerytools.overlays.css (24 hours)
http://www.jcu.cz/++theme++jcu.theme/css/main.css (24 hours)
http://www.jcu.cz/++theme++jcu.theme/css/new_slider.css (24 hours)
http://www.jcu.cz/++theme++jcu.theme/css/plone.css (24 hours)
http://www.jcu.cz/++theme++jcu.theme/css/print.css (24 hours)
http://www.jcu.cz/++theme++jcu.theme/dist/css/bootstrap.css (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/bg-foot.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/agri-fac.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/bulb.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/compass.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/czv.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/econom-fac.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/edu-fac.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/facebook-48px.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/fish-fac.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/instagram-48px.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/jcu-magazin.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/library.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/magnifier.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/med-soc-fac.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/more-arrow.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/nature-fac.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/pen.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/phylos-fac.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/smile-magnifier.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/stag.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/theology-fac.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/twitter-48px.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/img/icons/yoututbe-48px.png (24 hours)
http://www.jcu.cz/++theme++jcu.theme/js/jquery-1.8.1.min.js (24 hours)
http://www.jcu.cz/++theme++jcu.theme/js/jquery.cookie-1.4.1.min.js (24 hours)
http://www.jcu.cz/++theme++jcu.theme/js/jquery.fancybox-jcu.js (24 hours)
http://www.jcu.cz/++theme++jcu.theme/js/jquery.tabslet.js (24 hours)
http://www.jcu.cz/++theme++jcu.theme/js/jquerytools.form.js (24 hours)
http://www.jcu.cz/++theme++jcu.theme/js/jquerytools.js (24 hours)
http://www.jcu.cz/++theme++jcu.theme/js/jquerytools.overlayhelpers.js (24 hours)
http://www.jcu.cz/++theme++jcu.theme/js/main.js (24 hours)
http://www.jcu.cz/++theme++jcu.theme/js/new_slider/jquery.cycle2.js (24 hours)
http://www.jcu.cz/++theme++jcu.theme/js/trunk8.js (24 hours)
priority - 7Reduce server response time
priority - 5Optimize images
Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 50.6KiB (52% reduction).
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priority - 1Minify JavaScript
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Minify JavaScript for the following resources to reduce their size by 9.2KiB (32% reduction).
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priority - 0Minify CSS
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Minify CSS for the following resources to reduce their size by 1.1KiB (11% reduction).
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jcu.cz Mobile Resource Breakdown
| Total Resources | 63 |
| Number of Hosts | 7 |
| Static Resources | 58 |
| JavaScript Resources | 14 |
| CSS Resources | 9 |
jcu.cz mobile page usability
Last tested: 2017-04-20
Mobile Usability
Good
98/100
jcu.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
<input type="submit" name="form.submitted" class="magnifier"> is close to 1 other tap targets.The tap target
<a href="http://www.ef.jcu.cz/">Ekonomická fakulta</a> and 7 others are close to other tap targets.jcu.cz HTML validation
Errors
A document must not include both a “meta” element with an “http-equiv” attribute whose value is “content-type”, and a “meta” element with a “charset” attribute.
Line: 7 Column: 209 - 277
"...esheet" /><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><meta ..."
"...esheet" /><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><meta ..."
Bad value “” for attribute “name” on element “input”: Must not be empty.
Line: 19 Column: 21 - 108
"... <input type="checkbox" name="" value="http://www.jcu.cz/gse_search" id="_googleSeach" /> hleda..." Line: 287 Column: 21 - 108
"... <input type="checkbox" name="" value="http://www.jcu.cz/gse_search" id="_googleSeach" /> h..."
"... <input type="checkbox" name="" value="http://www.jcu.cz/gse_search" id="_googleSeach" /> hleda..." Line: 287 Column: 21 - 108
"... <input type="checkbox" name="" value="http://www.jcu.cz/gse_search" id="_googleSeach" /> h..."
Duplicate ID “_googleSeach”.
Line: 287 Column: 21 - 108
"... <input type="checkbox" name="" value="http://www.jcu.cz/gse_search" id="_googleSeach" /> h..."
"... <input type="checkbox" name="" value="http://www.jcu.cz/gse_search" id="_googleSeach" /> h..."
Duplicate ID “_ploneSearch”.
Line: 290 Column: 21 - 87
"... <input type="checkbox" name="path" id="_ploneSearch" value="/JU" /> hleda..."
"... <input type="checkbox" name="path" id="_ploneSearch" value="/JU" /> hleda..."
Warnings
The first occurrence of ID “_googleSeach” was here.
Line: 19 Column: 21 - 108
"... <input type="checkbox" name="" value="http://www.jcu.cz/gse_search" id="_googleSeach" /> hleda..."
"... <input type="checkbox" name="" value="http://www.jcu.cz/gse_search" id="_googleSeach" /> hleda..."
The first occurrence of ID “_ploneSearch” was here.
Line: 22 Column: 21 - 87
"... <input type="checkbox" name="path" id="_ploneSearch" value="/JU" /> hleda..."
"... <input type="checkbox" name="path" id="_ploneSearch" value="/JU" /> hleda..."
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jcu.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.
jcu.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.