Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

utv.u-strasbg.fr

UTV - La télévision de l'Université de Strasbourg

Page Load Speed

68.5 sec in total

First Response

3.3 sec

Resources Loaded

64.9 sec

Page Rendered

345 ms

utv.u-strasbg.fr screenshot

About Website

Visit utv.u-strasbg.fr now to see the best up-to-date UTV U Strasbg content for France and also check out these interesting facts you probably never knew about utv.u-strasbg.fr

Utv est la web télévision des campus l'Université de Strasbourg. Elle est la chaîne de référence de l'actualité, de la culture et de la vie de l'Université. Elle est en lien direct avec les différents...

Visit utv.u-strasbg.fr

Key Findings

We analyzed Utv.u-strasbg.fr page load time and found that the first response time was 3.3 sec and then it took 65.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there were 71 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

utv.u-strasbg.fr performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value5.4 s

56/100

10%

TBT (Total Blocking Time)

Value720 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value0.208

60/100

15%

TTI (Time to Interactive)

Value8.9 s

34/100

10%

Network Requests Diagram

utv.u-strasbg.fr

3277 ms

bootstrap.min.css

457 ms

font-awesome.min.css

349 ms

css

150 ms

utv2.css

482 ms

Our browser made a total of 730 requests to load all elements on the main page. We found that 1% of them (6 requests) were addressed to the original Utv.u-strasbg.fr, 97% (711 requests) were made to Utv.unistra.fr and 0% (2 requests) were made to S7.addthis.com. The less responsive or slowest element that took the longest time to load (28.9 sec) relates to the external source Utv.unistra.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (37%)

Content Size

4.2 MB

After Optimization

2.6 MB

In fact, the total size of Utv.u-strasbg.fr main page is 4.2 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.5 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 628.2 kB

  • Original 691.4 kB
  • After minification 686.5 kB
  • After compression 63.2 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 628.2 kB or 91% of the original size.

Image Optimization

-9%

Potential reduce by 217.1 kB

  • Original 2.5 MB
  • After minification 2.3 MB

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. UTV U Strasbg images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 506.8 kB

  • Original 755.2 kB
  • After minification 717.2 kB
  • After compression 248.5 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 506.8 kB or 67% of the original size.

CSS Optimization

-84%

Potential reduce by 173.7 kB

  • Original 207.9 kB
  • After minification 193.3 kB
  • After compression 34.1 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. Utv.u-strasbg.fr needs all CSS files to be minified and compressed as it can save up to 173.7 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (5%)

Requests Now

655

After Optimization

621

The browser has sent 655 CSS, Javascripts, AJAX and image requests in order to completely render the main page of UTV 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 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

utv.u-strasbg.fr accessibility score

73

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

utv.u-strasbg.fr best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

utv.u-strasbg.fr SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

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

    N/A

  • Language Claimed

    FR

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Utv.u-strasbg.fr can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is French. Our system also found out that Utv.u-strasbg.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 UTV 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: