Access lausanne.ch. Site officiel de la Ville de Lausanne

Report Summary

About Website

Click here to check amazing Lausanne content for Switzerland. Otherwise, check out these important facts you probably never knew about lausanne.ch

Portail officiel de l'administration communale de la Ville de Lausanne, capitale olympique.

Visit lausanne.ch

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

37/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value1,010 ms

27/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

www.lausanne.ch

695 ms

bootstrap-3.3.5.min~2024-03-28-16-15-10-000~cache.css

220 ms

iframemanager~2024-03-28-16-15-10-000~cache.css

292 ms

cookieconsent~2024-03-28-16-15-10-000~cache.css

290 ms

main-1.0.1.min~2024-03-28-16-15-10-000~cache.css

578 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 94% of them (73 requests) were addressed to the original Lausanne.ch, 3% (2 requests) were made to Lausanne.matomo.cloud and 1% (1 request) were made to Polyfill.io. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Lausanne.ch.

Content Size

135.4 kB

After Optimization

29.7 kB

In fact, the total size of Lausanne.ch main page is 135.4 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. 55% of websites need less resources to load. HTML takes 132.9 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 105.7 kB

Original 132.9 kB
After minification 120.8 kB
After compression 27.3 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 105.7 kB or 79% of the original size.

JavaScript Optimization

-4%

Potential reduce by 90 B

Original 2.5 kB
After minification 2.5 kB
After compression 2.4 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. This website has mostly compressed JavaScripts.

Requests Now

After Optimization

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lausanne. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 43 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

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.

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links are not crawlable

High

robots.txt is not valid

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/).

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 Lausanne.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 Lausanne.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

lausanne.ch

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Site officiel de la Ville de Lausanne – Ville de Lausanne

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

www.lausanne.ch

bootstrap-3.3.5.min~2024-03-28-16-15-10-000~cache.css

iframemanager~2024-03-28-16-15-10-000~cache.css

cookieconsent~2024-03-28-16-15-10-000~cache.css

main-1.0.1.min~2024-03-28-16-15-10-000~cache.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

JavaScript Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

www.lausanne.ch

bootstrap-3.3.5.min~2024-03-28-16-15-10-000~cache.css

iframemanager~2024-03-28-16-15-10-000~cache.css

cookieconsent~2024-03-28-16-15-10-000~cache.css

main-1.0.1.min~2024-03-28-16-15-10-000~cache.css

polyfill.min.js

jquery-2.2.4.min.js

modernizr-custom.min~2024-03-28-16-15-10-000~cache.js

jquery.history~2024-03-28-16-15-10-000~cache.js

fastClick~2024-03-28-16-15-10-000~cache.js

guichet-virtuel-widget.min~2024-03-28-16-15-10-000~cache.js

touchSwipe~2024-03-28-16-15-10-000~cache.js

perfect-scrollbar~2024-03-28-16-15-10-000~cache.js

masonry~2024-03-28-16-15-10-000~cache.js

moment~2024-03-28-16-15-10-000~cache.js

daterangepicker~2024-03-28-16-15-10-000~cache.js

jquery.dataTables.min~2024-03-28-16-15-10-000~cache.js

moment.dataTables~2024-03-28-16-15-10-000~cache.js

dataTables.responsive.min~2024-03-28-16-15-10-000~cache.js

slick~2024-03-28-16-15-10-000~cache.js

slick-carousel.min~2024-03-28-16-15-10-000~cache.js

plan-interactif.min~2024-03-28-16-15-10-000~cache.js

quoideneuf.min~2024-03-28-16-15-10-000~cache.js

accordeon-accroches.min~2024-03-28-16-15-10-000~cache.js

agenda-teasers-widget.min~2024-03-28-16-15-10-000~cache.js

imagesloaded~2024-03-28-16-15-10-000~cache.js

jquery-cookie~2024-03-28-16-15-10-000~cache.js

fonts.min~2024-03-28-16-15-10-000~cache.js

social-share.min~2024-03-28-16-15-10-000~cache.js

vdl-magnolia-form.min~2024-03-28-16-15-10-000~cache.js

select2~2024-03-28-16-15-10-000~cache.js

select2.optgroups~2024-03-28-16-15-10-000~cache.js

purl~2024-03-28-16-15-10-000~cache.js

jquery-visible~2024-03-28-16-15-10-000~cache.js

html-sanitizer.min~2024-03-28-16-15-10-000~cache.js

greensock.min~2024-03-28-16-15-10-000~cache.js

iframemanager~2024-03-28-16-15-10-000~cache.js

js

cookieconsent~2024-03-28-16-15-10-000~cache.js

bootstrap-3.3.5.min~2024-03-28-16-15-10-000~cache.js

vdl.ui.iam.min~2024-03-28-16-15-10-000~cache.js

main-1.0.1.min~2024-03-28-16-15-10-000~cache.js

infowindow~2024-03-28-16-15-10-000~cache.js

markerclusterer~2024-03-28-16-15-10-000~cache.js

googleMaps~2024-03-28-16-15-10-000~cache.js