Tools & Wizards About Us
isheyevo.ens-lyon.fr screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

isheyevo.ens-lyon.fr

Index of /

Page Load Speed

891 ms in total

First Response

369 ms

Resources Loaded

470 ms

Page Rendered

52 ms

isheyevo.ens-lyon.fr screenshot

About Website

Click here to check amazing Isheyevo Ens Lyon content for France. Otherwise, check out these important facts you probably never knew about isheyevo.ens-lyon.fr

Visit isheyevo.ens-lyon.fr

Key Findings

We analyzed Isheyevo.ens-lyon.fr page load time and found that the first response time was 369 ms and then it took 522 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

isheyevo.ens-lyon.fr performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.6 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.6 s

100/100

25%

SI (Speed Index)

Value0.8 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.6 s

100/100

10%

Network Requests Diagram

isheyevo.ens-lyon.fr

369 ms

blank.gif

92 ms

Our browser made a total of 2 requests to load all elements on the main page. We found that all of those requests were addressed to Isheyevo.ens-lyon.fr and no external sources were called. The less responsive or slowest element that took the longest time to load (369 ms) belongs to the original domain Isheyevo.ens-lyon.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 208.0 kB (35%)

Content Size

588.1 kB

After Optimization

380.1 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Isheyevo.ens-lyon.fr main page is 588.1 kB. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. Images take 435.7 kB which makes up the majority of the site volume.

HTML Optimization

-47%

Potential reduce by 231 B

  • Original 493 B
  • After minification 477 B
  • After compression 262 B

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 231 B or 47% of the original size.

Image Optimization

-16%

Potential reduce by 69.1 kB

  • Original 435.7 kB
  • After minification 366.6 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. Obviously, Isheyevo Ens Lyon needs image optimization as it can save up to 69.1 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-91%

Potential reduce by 138.7 kB

  • Original 151.9 kB
  • After minification 106.9 kB
  • After compression 13.2 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. Isheyevo.ens-lyon.fr needs all CSS files to be minified and compressed as it can save up to 138.7 kB or 91% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

1

After Optimization

1

  • Images

The browser has sent 1 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Isheyevo Ens Lyon. According to our analytics all requests are already optimized.

Network Requests Diagram

isheyevo.ens-lyon.fr

isheyevo.ens-lyon.fr

369 ms

blank.gif

blank.gif

92 ms

Accessibility Review

isheyevo.ens-lyon.fr accessibility score

93

Accessibility Issues

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

Best Practices

isheyevo.ens-lyon.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

isheyevo.ens-lyon.fr SEO score

67

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Isheyevo.ens-lyon.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) and no language is claimed in <html> or <meta> tags either. Our system also found out that Isheyevo.ens-lyon.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

isheyevo.ens-lyon.fr

Open Graph description is not detected on the main page of Isheyevo Ens Lyon. 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: