Tools & Wizards About Us
osiris.unistra.fr screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

osiris.unistra.fr

Direction Informatique UdS - Services Osiris

Page Load Speed

3.1 sec in total

First Response

1.1 sec

Resources Loaded

2 sec

Page Rendered

102 ms

osiris.unistra.fr screenshot

About Website

Visit osiris.unistra.fr now to see the best up-to-date Osiris Unistra content for France and also check out these interesting facts you probably never knew about osiris.unistra.fr

Visit osiris.unistra.fr

Key Findings

We analyzed Osiris.unistra.fr page load time and found that the first response time was 1.1 sec and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

osiris.unistra.fr performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

96/100

10%

LCP (Largest Contentful Paint)

Value1.5 s

100/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value1.5 s

100/100

10%

Network Requests Diagram

osiris.unistra.fr

1062 ms

crc.css

185 ms

osiris.gif

181 ms

fond-titre.gif

525 ms

puce1.gif

354 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that all of those requests were addressed to Osiris.unistra.fr 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 Osiris.unistra.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 29.6 kB (67%)

Content Size

44.5 kB

After Optimization

14.9 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Osiris.unistra.fr main page is 44.5 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. Only 5% of websites need less resources to load. CSS take 25.5 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 6.7 kB

  • Original 8.5 kB
  • After minification 7.8 kB
  • After compression 1.9 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 6.7 kB or 78% of the original size.

Image Optimization

-4%

Potential reduce by 400 B

  • Original 10.5 kB
  • After minification 10.1 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. Osiris Unistra images are well optimized though.

CSS Optimization

-88%

Potential reduce by 22.6 kB

  • Original 25.5 kB
  • After minification 12.3 kB
  • After compression 2.9 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. Osiris.unistra.fr needs all CSS files to be minified and compressed as it can save up to 22.6 kB or 88% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

11

After Optimization

11

  • Images
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Osiris Unistra. According to our analytics all requests are already optimized.

Network Requests Diagram

osiris.unistra.fr

osiris.unistra.fr

1062 ms

crc.css

crc.css

185 ms

osiris.gif

osiris.gif

181 ms

fond-titre.gif

fond-titre.gif

525 ms

puce1.gif

puce1.gif

354 ms

users.png

users.png

355 ms

puce2.gif

puce2.gif

355 ms

tech.png

tech.png

353 ms

tel.png

tel.png

356 ms

network.png

network.png

530 ms

crc.png

crc.png

532 ms

print.css

print.css

179 ms

Accessibility Review

osiris.unistra.fr accessibility score

95

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best Practices

osiris.unistra.fr best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

osiris.unistra.fr SEO score

69

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Osiris.unistra.fr can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it matches the claimed language. Our system also found out that Osiris.unistra.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.

Social Sharing Optimization

osiris.unistra.fr

Open Graph description is not detected on the main page of Osiris Unistra. 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: