4.5 sec in total
329 ms
3.8 sec
346 ms
Visit offis.de now to see the best up-to-date OFFIS content for Germany and also check out these interesting facts you probably never knew about offis.de
OFFIS betreibt anwendungsorientierte Forschungs- und Entwicklungsarbeit in den Informations- und Kommunikationstechnologien mit Schwerpunkten in den Themenbereichen Energie, Gesundheit und Verkehr.
Visit offis.deWe analyzed Offis.de page load time and found that the first response time was 329 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
offis.de performance score
name
value
score
weighting
Value7.3 s
1/100
10%
Value9.3 s
1/100
25%
Value10.2 s
8/100
10%
Value140 ms
95/100
30%
Value0.018
100/100
15%
Value10.9 s
21/100
10%
329 ms
470 ms
817 ms
114 ms
230 ms
Our browser made a total of 61 requests to load all elements on the main page. We found that all of those requests were addressed to Offis.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Offis.de.
Page size can be reduced by 63.7 kB (4%)
1.6 MB
1.5 MB
In fact, the total size of Offis.de main page is 1.6 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.
Potential reduce by 58.9 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 58.9 kB or 83% of the original size.
Potential reduce by 4.8 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. OFFIS images are well optimized though.
Number of requests can be reduced by 34 (63%)
54
20
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OFFIS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 17 to 1 for CSS and as a result speed up the page load time.
offis.de
329 ms
offis.de
470 ms
www.offis.de
817 ms
jquery-ui.min.css
114 ms
bootstrap.min.css
230 ms
font-awesome.min.css
336 ms
academicons.min.css
334 ms
dlmenu.css
335 ms
shariff.min.css
338 ms
slick.css
339 ms
slick-theme.css
338 ms
jquery.fancybox.css
446 ms
multi-select.css
443 ms
dataTables.bootstrap.min.css
444 ms
buttons.dataTables.min.css
449 ms
offisFonts.css
450 ms
offisDefault.css
460 ms
offisResponsive.css
554 ms
offisPrint.css
552 ms
ke_search_pi1.css
555 ms
jquery-1.12.4.min.js
676 ms
jquery-ui.min.js
689 ms
modernizrDlmenu.js
577 ms
windowsphone-viewportfix.min.js
661 ms
bootstrap.min.js
665 ms
jquery.responsiveimages.min.js
662 ms
jquery.dlmenu.js
760 ms
shariff.min.js
773 ms
slick.min.js
775 ms
jquery.fancybox.pack.js
776 ms
jquery-ias.min.js
786 ms
jquery.quicksearch.js
789 ms
jquery.multi-select.js
804 ms
jquery.validate.min.js
884 ms
datatables.min.js
1003 ms
dataTables.buttons.min.js
886 ms
buttons.print.min.js
899 ms
offisDefault.js
900 ms
messages_de.js
918 ms
logo-offis.svg
278 ms
teaser_bg.png
280 ms
blank.gif
376 ms
icon_oeffner_weiss.svg
374 ms
csm_Energie_OFFIS_Web_132_6d322af9aa.jpg
377 ms
csm__c__AdobeStock_fizkes_327412883_23318476fe.jpg
495 ms
csm_Gesundheit_OFFIS_Web_131_f5863a1261.jpg
390 ms
csm_OFFIS_Bereich_Produktion__c__Shutterstock.com_Zapp2Photo_682503058_35936be8f0.jpg
396 ms
csm_AAI_ccc07eecdd.png
511 ms
csm_CC_Architecture_Frameworks_shutterstock_1124273786_0a66452004.jpg
518 ms
csm_CC_Cyber_Resilient_Architectures_and_Security_shutterstock_313501256_dc857bf27a.jpg
429 ms
csm_CC_Embedded_OFFIS_Web_102_9af9b5983c.jpg
499 ms
csm_CC_Human_Machine_Cooperation_shutterstock_772107742_4c81dd1dcd.jpg
506 ms
csm_CC_Multi-Scale_Multi-Rate_Simulation_shutterstock_574000213_3fb9367edd.jpg
543 ms
csm_CC_Dependable_OFFIS_Web_144_93c14ecf7a.jpg
609 ms
csm_CC_Nachhaltigkeit__shutterstock_PopTika_725473396_de143dff99.jpg
609 ms
d7b73a86-9fc7-41b4-a367-cbbd20039787.woff
574 ms
glyphicons-halflings-regular.woff
581 ms
78c7f5f5-d143-4cb4-861a-74fe766a22d4.woff
597 ms
fontawesome-webfont.woff
726 ms
Karriere_Reiter_2.png
1102 ms
OFFIS_Tag_Startseite.jpg
781 ms
offis.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
Image elements do not have [alt] attributes
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
offis.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
offis.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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 Offis.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 Offis.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.
offis.de
Open Graph description is not detected on the main page of OFFIS. 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: