Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

umvf.univ-nantes.fr

Accéder aux archives de l'UNESS

Page Load Speed

1.7 sec in total

First Response

271 ms

Resources Loaded

1.3 sec

Page Rendered

133 ms

umvf.univ-nantes.fr screenshot

About Website

Welcome to umvf.univ-nantes.fr homepage info - get ready to check Umvf Univ Nantes best content for France right away, or after learning these important things about umvf.univ-nantes.fr

CAMPUS Numérique de UNF3S. Université numérique francophone des sciences de la santé et du sport

Visit umvf.univ-nantes.fr

Key Findings

We analyzed Umvf.univ-nantes.fr page load time and found that the first response time was 271 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

umvf.univ-nantes.fr performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.9 s

88/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

25/100

25%

SI (Speed Index)

Value2.8 s

95/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.2 s

86/100

10%

Network Requests Diagram

umvf.univ-nantes.fr

271 ms

campus.cerimes.fr

529 ms

analytics.js

6 ms

logo-unf3s-noir.png

437 ms

globe.png

173 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that 11% of them (1 request) were addressed to the original Umvf.univ-nantes.fr, 67% (6 requests) were made to Campus.cerimes.fr and 22% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (529 ms) relates to the external source Campus.cerimes.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 61.5 kB (19%)

Content Size

321.4 kB

After Optimization

259.9 kB

In fact, the total size of Umvf.univ-nantes.fr main page is 321.4 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 10% of websites need less resources to load. Images take 255.5 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 10.8 kB

  • Original 13.0 kB
  • After minification 12.4 kB
  • After compression 2.2 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 10.8 kB or 83% of the original size.

Image Optimization

-7%

Potential reduce by 18.7 kB

  • Original 255.5 kB
  • After minification 236.8 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. Umvf Univ Nantes images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 32.0 kB

  • Original 52.9 kB
  • After minification 52.9 kB
  • After compression 20.9 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.

Requests Breakdown

We found no issues to fix!

Requests Now

7

After Optimization

7

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Umvf Univ Nantes. According to our analytics all requests are already optimized.

Accessibility Review

umvf.univ-nantes.fr accessibility score

78

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

umvf.univ-nantes.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

SEO Factors

umvf.univ-nantes.fr SEO score

67

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    FR

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Umvf.univ-nantes.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 Umvf.univ-nantes.fr main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Umvf Univ Nantes. 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: