4 sec in total
297 ms
3.5 sec
212 ms
Welcome to rub.de homepage info - get ready to check Rub best content for Germany right away, or after learning these important things about rub.de
Built to change. Unsere Haltung. Unsere Zukunft. Die Ruhr-Universität Bochum ist seit jeher ein Ort, an dem Talente unabhängig von ihrer sozialen oder geografischen Herkunft ihren akademischen Weg geh...
Visit rub.deWe analyzed Rub.de page load time and found that the first response time was 297 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
rub.de performance score
name
value
score
weighting
Value3.3 s
39/100
10%
Value4.1 s
46/100
25%
Value6.3 s
41/100
10%
Value200 ms
89/100
30%
Value0.01
100/100
15%
Value8.9 s
34/100
10%
297 ms
483 ms
931 ms
1029 ms
1126 ms
Our browser made a total of 74 requests to load all elements on the main page. We found that 8% of them (6 requests) were addressed to the original Rub.de, 81% (60 requests) were made to Ruhr-uni-bochum.de and 7% (5 requests) were made to Aktuell.rub.de. The less responsive or slowest element that took the longest time to load (1.6 sec) relates to the external source Ruhr-uni-bochum.de.
Page size can be reduced by 110.3 kB (16%)
710.0 kB
599.8 kB
In fact, the total size of Rub.de main page is 710.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 579.3 kB which makes up the majority of the site volume.
Potential reduce by 22.7 kB
HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 4.2 kB, which is 14% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 22.7 kB or 78% of the original size.
Potential reduce by 59.8 kB
Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Rub images are well optimized though.
Potential reduce by 6.4 kB
It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.
Potential reduce by 21.4 kB
CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Rub.de needs all CSS files to be minified and compressed as it can save up to 21.4 kB or 62% of the original size.
Number of requests can be reduced by 36 (53%)
68
32
The browser has sent 68 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rub. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 20 to 1 for CSS and as a result speed up the page load time.
rub.de
297 ms
www.ruhr-uni-bochum.de
483 ms
jquery.min.js
931 ms
superfish.js
1029 ms
stylewechsel.js
1126 ms
druckversion.js
1221 ms
jquery.cycle.all.js
1591 ms
auswahl-3spaltig-mit-bild.css
1217 ms
shadowbox.css
1225 ms
shadowbox.js
1602 ms
logo-rub-102.gif
98 ms
logo-rub-102-invers.gif
289 ms
rub-schriftzug.gif
194 ms
rub-schriftzug-invers.gif
283 ms
base.css
102 ms
rub-quernavigation.css
104 ms
dww-quernavigation-wo-bin-ich.css
101 ms
rub-seitennavigation.css
101 ms
basemod-3spaltig.css
103 ms
kennzeichnung-links.css
104 ms
content.css
196 ms
slide.css
192 ms
rub-print.css
195 ms
iehacks.css
103 ms
fittosize_60_60_83b5ab636153c69af5ed267438a9b6af_logo_weltoffene_hochschulen_gegen_fremdenfeindlichkeit-02.jpg
668 ms
pixel.gif
854 ms
fittosize_150_100_2e5ebe11210f5227a8db4266b3b9afc1_2015_07_22_km_knowledge_bei_pieper-9.jpg
755 ms
worldfactory-logo_klein.gif
481 ms
bluesquare.jpg
479 ms
karte-rub.gif
572 ms
ua-ruhr.gif
481 ms
border_left.gif
103 ms
border_right.gif
99 ms
bg-oben-unterseite-grau136.gif
99 ms
rub-schriftzug.gif
100 ms
logo-rub-102.gif
102 ms
bg-angebote.gif
100 ms
button-next.png
197 ms
button-play.png
195 ms
button-pause.png
195 ms
button-previous.png
197 ms
worldfactory.jpg
293 ms
bild-forschendes-lernen.jpg
393 ms
bild-mz-fotokurs2.jpg
570 ms
vr_RS_01.jpg
661 ms
sport-yoga.jpg
483 ms
Logo_RUB_SCHWARZ-2.gif
290 ms
fittosize_150_100_47bbcd501aef7625c9e12584a5968699_urban_sacred-kooperation.jpg
654 ms
fittosize_150_100_1ff8e8d38e328fbd0c77274ec002b5eb_gehirn.jpeg
654 ms
bg-top1.gif
368 ms
fl_english.gif
368 ms
pfeil-rechts2.gif
465 ms
kontrast.gif
466 ms
drucken.gif
465 ms
border_bottom.gif
555 ms
corner_bl.gif
560 ms
corner_br.gif
559 ms
footer-fb.gif
450 ms
footer-tw.gif
544 ms
footer-yt.gif
637 ms
footer-ig.gif
636 ms
shadow.png
507 ms
footer-fb.gif
98 ms
footer-tw.gif
100 ms
footer-ig.gif
98 ms
footer-yt.gif
99 ms
auswahl-3spaltig-mit-bild.css
99 ms
rub-quernavigation.css
106 ms
dww-quernavigation-wo-bin-ich.css
103 ms
rub-seitennavigation.css
107 ms
basemod-3spaltig.css
102 ms
content.css
103 ms
slide.css
100 ms
rub-print.css
197 ms
rub.de accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Links do not have a discernible name
rub.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
Issues were logged in the Issues panel in Chrome Devtools
rub.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
Tap targets are not sized appropriately
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rub.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Rub.de main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.
rub.de
Open Graph description is not detected on the main page of Rub. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: