JKU.AT JKU - Johannes Kepler Universität Linz

jku.at Website Information

Daily Unique Visits: 168,030

Daily Page Views: 1,344,240

Income Per Day: $1,344

Estimated Value: $1,451,520

This website is located in Austria and is using following IP address 140.78.3.160. See the complete list of popular websites hosted in Austria.

jku.at is registered under .AT top-level domain. Please check other sites in .AT zone.

Website jku.at is using the following name servers:

  • ns2.jku.at
  • alijku01.edvz.uni-linz.ac.at

and is probably hosted by University Linz. See the full list of other websites hosted by University Linz.

The highest website jku.at position in Alexa rank database was 9031 and the lowest rank position was 9553. Current position of jku.at in Alexa rank database is 9069.

Desktop speed score of jku.at (79/100) is better than the results of 67.91% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of jku.at (99/100) is better than the results of 79.46% of other sites and means that the page is mobile-friendly.

Mobile speed score of jku.at (54/100) is better than the results of 41.82% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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jku.at 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.


jku.at 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.


% Copyright (c)2021 by NIC.AT (1)
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% a way that jeopardizes or could jeopardize the stability of the
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% Moreover, the user shall be held liable for any and all damage
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jku.at server information

Servers Location

jku.at desktop page speed rank

Last tested: 2020-01-06


Desktop Speed Medium
79/100

jku.at Desktop Speed Test Quick Summary


priority - 12Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 2 blocking script resources and 11 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://www.jku.at/typo3conf/ext/jku_distribution/…y_Loader.js?1566976234
https://www.jku.at/typo3conf/ext/jku_distribution/…ader.min.js?1566976234

Optimize CSS Delivery of the following:

https://cloud.typography.com/7771974/6293592/css/fonts.css
https://www.jku.at/typo3conf/ext/jku_distribution/…enu.all.css?1566976234
https://www.jku.at/typo3conf/ext/jku_distribution/…tslider.css?1566976234
https://www.jku.at/typo3conf/ext/jku_distribution/…gallery.css?1566976234
https://www.jku.at/typo3conf/ext/jku_distribution/…per.min.css?1566976234
https://www.jku.at/typo3conf/ext/jku_distribution/…ablesaw.css?1566976234
https://www.jku.at/typo3conf/ext/jku_distribution/…cktable.css?1566976234
https://www.jku.at/typo3conf/ext/jku_distribution/…u_style.css?1566976234
https://www.jku.at/typo3conf/ext/jku_distribution/…leframe.css?1566976234
https://www.jku.at/typo3conf/ext/rx_shariff/Resour…omplete.css?1548748483
https://www.jku.at/typo3conf/ext/mindshape_cookie_…ic/Css/dark-bottom.css

priority - 9Avoid 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://jku.at/
https://jku.at/
https://www.jku.at/

priority - 2Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 17.2KiB (74% reduction).

Compressing https://www.jku.at/typo3conf/ext/jku_distribution/…ages/footer_comp_1.png could save 17.2KiB (74% 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 11.3KiB (34% reduction).

Minifying https://www.jku.at/typo3conf/ext/jku_distribution/…enopoly/Hyphenopoly.js could save 3.7KiB (44% reduction) after compression.
Minifying https://www.jku.at/typo3conf/ext/jku_distribution/…-angular.js?1566976234 could save 3.2KiB (24% reduction) after compression.
Minifying https://www.jku.at/typo3conf/ext/jku_distribution/…y_Loader.js?1566976234 could save 2.5KiB (44% reduction) after compression.
Minifying https://www.jku.at/typo3conf/ext/mindshape_cookie_…econsent.js?1566976365 could save 1.1KiB (32% reduction) after compression.
Minifying https://www.jku.at/typo3conf/ext/jku_distribution/…ly/hyphenEngine.asm.js could save 841B (37% reduction) after compression.

priority - 1Leverage 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.googletagmanager.com/gtm.js?id=GTM-MQQW2MN (15 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

priority - 0Minify 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 1.4KiB (25% reduction).

Minifying https://www.jku.at/typo3conf/ext/jku_distribution/…ablesaw.css?1566976234 could save 978B (30% reduction) after compression.
Minifying https://www.jku.at/typo3conf/ext/jku_distribution/…tslider.css?1566976234 could save 328B (20% reduction) after compression.
Minifying https://www.jku.at/typo3conf/ext/mindshape_cookie_…ic/Css/dark-bottom.css could save 131B (13% reduction) after compression.

jku.at Desktop Resource Breakdown

Total Resources48
Number of Hosts6
Static Resources40
JavaScript Resources12
CSS Resources12

jku.at mobile page speed rank

Last tested: 2019-12-12


Mobile Speed Bad
54/100

jku.at Mobile Speed Test Quick Summary


priority - 48Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 7 blocking script resources and 11 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

https://www.jku.at/typo3conf/ext/jku_distribution/…y_Loader.js?1566976234
https://www.jku.at/typo3conf/ext/jku_distribution/…ader.min.js?1566976234
https://www.jku.at/typo3conf/ext/jku_distribution/…oter.min.js?1566976234
https://www.jku.at/typo3conf/ext/jku_distribution/…-angular.js?1566976234
https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7…js?config=TeX-AMS_HTML
https://www.jku.at/typo3conf/ext/mindshape_cookie_…econsent.js?1566976365
https://www.jku.at/typo3conf/ext/rx_shariff/Resour…riff.min.js?1548748483

Optimize CSS Delivery of the following:

https://cloud.typography.com/7771974/6293592/css/fonts.css
https://www.jku.at/typo3conf/ext/jku_distribution/…enu.all.css?1566976234
https://www.jku.at/typo3conf/ext/jku_distribution/…tslider.css?1566976234
https://www.jku.at/typo3conf/ext/jku_distribution/…gallery.css?1566976234
https://www.jku.at/typo3conf/ext/jku_distribution/…per.min.css?1566976234
https://www.jku.at/typo3conf/ext/jku_distribution/…ablesaw.css?1566976234
https://www.jku.at/typo3conf/ext/jku_distribution/…cktable.css?1566976234
https://www.jku.at/typo3conf/ext/jku_distribution/…u_style.css?1566976234
https://www.jku.at/typo3conf/ext/jku_distribution/…leframe.css?1566976234
https://www.jku.at/typo3conf/ext/rx_shariff/Resour…omplete.css?1548748483
https://www.jku.at/typo3conf/ext/mindshape_cookie_…ic/Css/dark-bottom.css

priority - 34Avoid 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://jku.at/
https://jku.at/
https://www.jku.at/

priority - 8Prioritize visible content

Your page requires additional network round trips to render the above-the-fold content. For best performance, reduce the amount of HTML needed to render above-the-fold content.

The entire HTML response was not sufficient to render the above-the-fold content. This usually indicates that additional resources, loaded after HTML parsing, were required to render above-the-fold content. Prioritize visible content that is needed for rendering above-the-fold by including it directly in the HTML response.

Only about 59% of the final above-the-fold content could be rendered with the full HTML response.
Click to see the screenshot with only the HTML response:

priority - 2Optimize images

Properly formatting and compressing images can save many bytes of data.

Optimize the following images to reduce their size by 17.2KiB (74% reduction).

Compressing https://www.jku.at/typo3conf/ext/jku_distribution/…ages/footer_comp_1.png could save 17.2KiB (74% reduction).

priority - 1Leverage 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.googletagmanager.com/gtm.js?id=GTM-MQQW2MN (15 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 11.3KiB (34% reduction).

Minifying https://www.jku.at/typo3conf/ext/jku_distribution/…enopoly/Hyphenopoly.js could save 3.7KiB (44% reduction) after compression.
Minifying https://www.jku.at/typo3conf/ext/jku_distribution/…-angular.js?1566976234 could save 3.2KiB (24% reduction) after compression.
Minifying https://www.jku.at/typo3conf/ext/jku_distribution/…y_Loader.js?1566976234 could save 2.5KiB (44% reduction) after compression.
Minifying https://www.jku.at/typo3conf/ext/mindshape_cookie_…econsent.js?1566976365 could save 1.1KiB (32% reduction) after compression.
Minifying https://www.jku.at/typo3conf/ext/jku_distribution/…ly/hyphenEngine.asm.js could save 841B (37% reduction) after compression.

priority - 0Minify 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 1.4KiB (25% reduction).

Minifying https://www.jku.at/typo3conf/ext/jku_distribution/…ablesaw.css?1566976234 could save 978B (30% reduction) after compression.
Minifying https://www.jku.at/typo3conf/ext/jku_distribution/…tslider.css?1566976234 could save 328B (20% reduction) after compression.
Minifying https://www.jku.at/typo3conf/ext/mindshape_cookie_…ic/Css/dark-bottom.css could save 131B (13% reduction) after compression.

jku.at Mobile Resource Breakdown

Total Resources49
Number of Hosts6
Static Resources41
JavaScript Resources12
CSS Resources12

jku.at mobile page usability

Last tested: 2019-12-12


Mobile Usability Good
99/100

jku.at Mobile Usability Test Quick Summary


priority - 0Size tap targets appropriately

Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.

The following tap targets are close to other nearby tap targets and may need additional spacing around them.

The tap target <a href="" class="cc_btn cc_btn_accept_all">OK</a> is close to 1 other tap targets.

The tap target <a href="/studium/studi…organizations/">Jetzt bewerben</a> is close to 2 other tap targets.

jku.at HTML validation

Errors

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

Line: 2 Column: 1 - 60
"...<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <!--..."

A “meta” element with an “http-equiv” attribute whose value is “X-UA-Compatible” must have a “content” attribute with the value “IE=edge”.

Line: 10 Column: 3 - 60
"...t/" /> <meta http-equiv="X-UA-Compatible" content="IE=7, IE=9" /> <me..."

Duplicate attribute “class”.

Line: 352 Column: - 110
"...S+Enter)" class="submit" /> ..."

Warnings

The “language” attribute on the “script” element is obsolete. You can safely omit it.

Line: 89 Column: 3 - 88
"...css" /> <script language="JavaScript" src="/fs_resources/js/dynifs.js" type="text/javascript"></scri..." Line: 94 Column: 3 - 33
"...script> <script language="JavaScript" src="/fs_resources/js/common.js" type="text/javascript"></scri..." Line: 97 Column: 3 - 33
"...script> <script language="JavaScript" src="/fs_resources/js/menu.js" type="text/javascript"></scri..."

The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.

Line: 184 Column: 5 - 49
"...) --> <a name="options_anchor" id="options_anchor"></a><h..." Line: 271 Column: 7 - 47
"... <a name="menue_anchor" id="menue_anchor"></a><h..." Line: 321 Column: 5 - 53
"...out"> <a name="login_out_anchor" id="login_out_anchor"></a><h..." Line: 366 Column: 7 - 57
"...t"> <a name="quicklinks_anchor" id="quicklinks_anchor"></a><l..." Line: 534 Column: 30 - 61
"..._welcome"><a id="titleimages_area" name="titleimages_area" href="http://www.jku.at/uniball"><img ..."

Document uses the Unicode Private Use Area(s), which should not be used in publicly exchanged documents. (Charmod C073)

Line: 352 Column: - 52
"...button" value="" accesskey="s..."

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jku.at 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.


jku.at 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.