Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

chru-strasbourg.fr

Les Hôpitaux Universitaires de Strasbourg

Page Load Speed

9.3 sec in total

First Response

803 ms

Resources Loaded

4.2 sec

Page Rendered

4.3 sec

chru-strasbourg.fr screenshot

About Website

Welcome to chru-strasbourg.fr homepage info - get ready to check Chru Strasbourg best content for France right away, or after learning these important things about chru-strasbourg.fr

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Key Findings

We analyzed Chru-strasbourg.fr page load time and found that the first response time was 803 ms and then it took 8.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

chru-strasbourg.fr performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

11/100

10%

LCP (Largest Contentful Paint)

Value12.4 s

0/100

25%

SI (Speed Index)

Value10.0 s

9/100

10%

TBT (Total Blocking Time)

Value4,850 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.047

99/100

15%

TTI (Time to Interactive)

Value14.8 s

8/100

10%

Network Requests Diagram

chru-strasbourg.fr

803 ms

www.chru-strasbourg.fr

656 ms

autoptimize_27677e4155df24e10b6a68ac18468e57.css

528 ms

lodash.min.js

446 ms

regenerator-runtime.min.js

269 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that all of those requests were addressed to Chru-strasbourg.fr and no external sources were called. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Chru-strasbourg.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 743.5 kB (42%)

Content Size

1.8 MB

After Optimization

1.0 MB

In fact, the total size of Chru-strasbourg.fr main page is 1.8 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. 70% of websites need less resources to load. Images take 833.9 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 124.8 kB

  • Original 175.4 kB
  • After minification 174.7 kB
  • After compression 50.6 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 124.8 kB or 71% of the original size.

Image Optimization

-0%

Potential reduce by 230 B

  • Original 833.9 kB
  • After minification 833.7 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. Chru Strasbourg images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 59.0 kB

  • Original 90.7 kB
  • After minification 90.7 kB
  • After compression 31.6 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 59.0 kB or 65% of the original size.

CSS Optimization

-86%

Potential reduce by 559.4 kB

  • Original 652.0 kB
  • After minification 651.8 kB
  • After compression 92.6 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. Chru-strasbourg.fr needs all CSS files to be minified and compressed as it can save up to 559.4 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (52%)

Requests Now

23

After Optimization

11

The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chru Strasbourg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

chru-strasbourg.fr accessibility score

98

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

chru-strasbourg.fr best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

chru-strasbourg.fr SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

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

High

Document uses legible font sizes

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 Chru-strasbourg.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 Chru-strasbourg.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

Open Graph data is detected on the main page of Chru Strasbourg. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: