Tools & Wizards About Us
unil.ch screenshot

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

unil.ch

Home - UNIL

Page Load Speed

7.3 sec in total

First Response

434 ms

Resources Loaded

6.2 sec

Page Rendered

707 ms

unil.ch screenshot

About Website

Welcome to unil.ch homepage info - get ready to check UNIL best content for Switzerland right away, or after learning these important things about unil.ch

Bienvenue à l’Université de Lausanne où le savoir vivant s’incarne en une communauté étudiante, de recherche à la pointe de la connaissance internationale.

Visit unil.ch

Key Findings

We analyzed Unil.ch page load time and found that the first response time was 434 ms and then it took 6.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

unil.ch performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value11.8 s

0/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value490 ms

59/100

30%

CLS (Cumulative Layout Shift)

Value0.591

11/100

15%

TTI (Time to Interactive)

Value14.9 s

8/100

10%

Network Requests Diagram

unil.ch

434 ms

www.unil.ch

524 ms

index.html

214 ms

cookieconsent.min.css

49 ms

font-awesome.min.css

48 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 38% of them (20 requests) were addressed to the original Unil.ch, 34% (18 requests) were made to Cdnjs.cloudflare.com and 19% (10 requests) were made to Api.unil.ch. The less responsive or slowest element that took the longest time to load (4.1 sec) relates to the external source Api.unil.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 78.3 kB (2%)

Content Size

5.2 MB

After Optimization

5.1 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Unil.ch main page is 5.2 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. 50% of websites need less resources to load. Images take 5.1 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 43.4 kB

  • Original 52.8 kB
  • After minification 42.4 kB
  • After compression 9.5 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. This page needs HTML code to be minified as it can gain 10.4 kB, which is 20% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 43.4 kB or 82% of the original size.

Image Optimization

-1%

Potential reduce by 34.9 kB

  • Original 5.1 MB
  • After minification 5.1 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. UNIL images are well optimized though.

JavaScript Optimization

-18%

Potential reduce by 70 B

  • Original 397 B
  • After minification 397 B
  • After compression 327 B

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 70 B or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (55%)

Requests Now

47

After Optimization

21

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of UNIL. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

unil.ch

unil.ch

434 ms

www.unil.ch

www.unil.ch

524 ms

index.html

index.html

214 ms

cookieconsent.min.css

cookieconsent.min.css

49 ms

font-awesome.min.css

font-awesome.min.css

48 ms

bootstrap.min.css

bootstrap.min.css

40 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

46 ms

video-js.min.css

video-js.min.css

39 ms

initJahiaContext.js

initJahiaContext.js

212 ms

ca88cfc609d59b2986091efde15d9dc.min.css

ca88cfc609d59b2986091efde15d9dc.min.css

323 ms

c3c294f6f8ced9e8a3bce7f5b419c76.min.js

c3c294f6f8ced9e8a3bce7f5b419c76.min.js

326 ms

cookieconsent.min.js

cookieconsent.min.js

39 ms

1883aec1c0aa5ec2431657901aeafabd.min.js

1883aec1c0aa5ec2431657901aeafabd.min.js

653 ms

jquery.validate.min.js

jquery.validate.min.js

55 ms

jquery.cookie.min.js

jquery.cookie.min.js

255 ms

bootstrap.min.js

bootstrap.min.js

49 ms

38a08882cfcd12365b3691810e4ec8.min.js

38a08882cfcd12365b3691810e4ec8.min.js

535 ms

tablesort.min.js

tablesort.min.js

207 ms

tablesort.date.min.js

tablesort.date.min.js

56 ms

tablesort.dotsep.min.js

tablesort.dotsep.min.js

58 ms

tablesort.filesize.min.js

tablesort.filesize.min.js

58 ms

tablesort.monthname.min.js

tablesort.monthname.min.js

69 ms

tablesort.number.min.js

tablesort.number.min.js

70 ms

video.js

video.js

257 ms

js

js

70 ms

CsrfServlet

CsrfServlet

438 ms

gtm.js

gtm.js

50 ms

1714634966733.M

1714634966733.M

811 ms

unil-logo.svg

unil-logo.svg

371 ms

hp-blog-herman.jpg

hp-blog-herman.jpg

358 ms

hp-card-futurs-etuds.jpg

hp-card-futurs-etuds.jpg

562 ms

hp-card-chercheurs.jpg

hp-card-chercheurs.jpg

565 ms

hp-card-etuds.jpg

hp-card-etuds.jpg

354 ms

hp-card-curieux2.jpg

hp-card-curieux2.jpg

669 ms

etat-vaud.svg

etat-vaud.svg

698 ms

civis.svg

civis.svg

693 ms

swissuniversities.svg

swissuniversities.svg

619 ms

1713516529780.T

1713516529780.T

1018 ms

1714046637286.T

1714046637286.T

1768 ms

1714030365825.T

1714030365825.T

721 ms

1714394009042.T

1714394009042.T

1023 ms

1714638307478.T

1714638307478.T

4096 ms

1714033010134.T

1714033010134.T

1989 ms

1714115910349.T

1714115910349.T

922 ms

1714641307206.T

1714641307206.T

1681 ms

1713965129785.T

1713965129785.T

1340 ms

js

js

71 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

70 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

83 ms

unil-icons.woff

unil-icons.woff

629 ms

hotjar-3794950.js

hotjar-3794950.js

161 ms

modules.842bcec28f9fd12bb79e.js

modules.842bcec28f9fd12bb79e.js

12 ms

77fa2a69a812ed565885a253a488d4.min.css

77fa2a69a812ed565885a253a488d4.min.css

111 ms

Accessibility Review

unil.ch 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

unil.ch best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

unil.ch SEO score

91

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

Links do not have descriptive text

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

High

Tap targets are not sized appropriately

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 Unil.ch 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 Unil.ch 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

unil.ch

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