5.3 sec in total
1.8 sec
3.3 sec
198 ms
Welcome to docnum.u-strasbg.fr homepage info - get ready to check Docnum U Strasbg best content for France right away, or after learning these important things about docnum.u-strasbg.fr
Visit docnum.u-strasbg.frWe analyzed Docnum.u-strasbg.fr page load time and found that the first response time was 1.8 sec and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
docnum.u-strasbg.fr performance score
name
value
score
weighting
Value6.9 s
1/100
10%
Value8.0 s
2/100
25%
Value8.7 s
16/100
10%
Value500 ms
58/100
30%
Value0.001
100/100
15%
Value7.8 s
45/100
10%
1838 ms
203 ms
545 ms
265 ms
504 ms
Our browser made a total of 35 requests to load all elements on the main page. We found that 94% of them (33 requests) were addressed to the original Docnum.u-strasbg.fr, 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Docnum.u-strasbg.fr.
Page size can be reduced by 93.7 kB (71%)
132.2 kB
38.5 kB
In fact, the total size of Docnum.u-strasbg.fr main page is 132.2 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. 30% of websites need less resources to load. HTML takes 79.3 kB which makes up the majority of the site volume.
Potential reduce by 61.7 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 9.4 kB, which is 12% 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 61.7 kB or 78% of the original size.
Potential reduce by 32.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 32.0 kB or 60% of the original size.
Number of requests can be reduced by 21 (62%)
34
13
The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Docnum U Strasbg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
docnum.u-strasbg.fr
1838 ms
main.css
203 ms
stylesheet
545 ms
stylesheet
265 ms
stylesheet
504 ms
javascript
750 ms
javascript
1097 ms
javascript
548 ms
javascript
528 ms
javascript
714 ms
javascript
918 ms
javascript
825 ms
javascript
829 ms
javascript
868 ms
javascript
892 ms
javascript
967 ms
bibinum.css
924 ms
cdm_ga.js
965 ms
javascript
1132 ms
javascript
1133 ms
javascript
1157 ms
javascript
1291 ms
javascript
1090 ms
analytics.js
15 ms
bandeau.png
382 ms
logo-uds.png
100 ms
lightness-ui-icons_ffffff_256x240.png
101 ms
pngimage
177 ms
j.0041.jpg
140 ms
egyptologie2.jpg
197 ms
histoire_ancienne2.jpg
199 ms
histoire_alsace2.jpg
236 ms
arts2.jpg
272 ms
univ_pg_control_bg.png
286 ms
collect
13 ms
docnum.u-strasbg.fr 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
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
docnum.u-strasbg.fr best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
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
docnum.u-strasbg.fr 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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Docnum.u-strasbg.fr can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Docnum.u-strasbg.fr 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.
docnum.u-strasbg.fr
Open Graph description is not detected on the main page of Docnum U Strasbg. 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: