Tools & Wizards About Us
nyon.ch screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

nyon.ch

Page d'accueil

Page Load Speed

2.9 sec in total

First Response

380 ms

Resources Loaded

2.3 sec

Page Rendered

268 ms

nyon.ch screenshot

About Website

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

Ville de Nyon, site officiel, actualité communale, services de l'administration et autorités, guichet virtuel, informations pratiques, agenda des manifestations.

Visit nyon.ch

Key Findings

We analyzed Nyon.ch page load time and found that the first response time was 380 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

nyon.ch performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value11.5 s

0/100

25%

SI (Speed Index)

Value6.3 s

41/100

10%

TBT (Total Blocking Time)

Value3,010 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.298

40/100

15%

TTI (Time to Interactive)

Value12.6 s

14/100

10%

Network Requests Diagram

index.php

380 ms

elem_38.js

188 ms

elem_65.js

462 ms

elem_487.js

187 ms

elem_207.css

279 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 95% of them (42 requests) were addressed to the original Nyon.ch, 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Nyon.ch.

Page Optimization Overview & Recommendations

Page size can be reduced by 179.6 kB (37%)

Content Size

482.7 kB

After Optimization

303.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Nyon.ch main page is 482.7 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. 20% of websites need less resources to load. Images take 285.8 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 45.5 kB

  • Original 51.6 kB
  • After minification 26.5 kB
  • After compression 6.1 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 25.1 kB, which is 49% 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 45.5 kB or 88% of the original size.

Image Optimization

-16%

Potential reduce by 46.1 kB

  • Original 285.8 kB
  • After minification 239.7 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. Obviously, Nyon needs image optimization as it can save up to 46.1 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-55%

Potential reduce by 65.3 kB

  • Original 117.9 kB
  • After minification 117.6 kB
  • After compression 52.6 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 65.3 kB or 55% of the original size.

CSS Optimization

-83%

Potential reduce by 22.6 kB

  • Original 27.3 kB
  • After minification 21.4 kB
  • After compression 4.7 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. Nyon.ch needs all CSS files to be minified and compressed as it can save up to 22.6 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (42%)

Requests Now

43

After Optimization

25

  • Images
  • JavaScript
  • CSS

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

Network Requests Diagram

index.php

index.php

380 ms

elem_38.js

elem_38.js

188 ms

elem_65.js

elem_65.js

462 ms

elem_487.js

elem_487.js

187 ms

elem_207.css

elem_207.css

279 ms

elem_184.css

elem_184.css

188 ms

facebook_.gif

facebook_.gif

500 ms

bg_nyon_bottom.jpg

bg_nyon_bottom.jpg

189 ms

bg_nyon.jpg

bg_nyon.jpg

465 ms

bg_onglet_vdn.jpg

bg_onglet_vdn.jpg

191 ms

bkg_search.png

bkg_search.png

187 ms

header_nyon.jpg

header_nyon.jpg

465 ms

menu_bg_vdn.jpg

menu_bg_vdn.jpg

189 ms

li.jpg

li.jpg

374 ms

guichet_virtuel_vdn.jpg

guichet_virtuel_vdn.jpg

373 ms

li_menu_vdn.jpg

li_menu_vdn.jpg

375 ms

ico_plus.gif

ico_plus.gif

375 ms

arrow_blue.gif

arrow_blue.gif

559 ms

ico_newsletter.gif

ico_newsletter.gif

558 ms

ico_rss.gif

ico_rss.gif

560 ms

ico_vocalisation.gif

ico_vocalisation.gif

560 ms

appstore.gif

appstore.gif

648 ms

porcelaine-nyon_vdnExpoHome.jpg

porcelaine-nyon_vdnExpoHome.jpg

649 ms

donnant-donnant-1_vdnExpoHome.jpg

donnant-donnant-1_vdnExpoHome.jpg

743 ms

affiche_robert__vdnExpoHome.jpg

affiche_robert__vdnExpoHome.jpg

743 ms

ico_gallery_actu.gif

ico_gallery_actu.gif

745 ms

ico_movie_actu.gif

ico_movie_actu.gif

744 ms

ico_links_actu.gif

ico_links_actu.gif

833 ms

l_eau_un_bien_precieux_expo_nyon_14_3_2016_0289_news_vdn_home.jpg

l_eau_un_bien_precieux_expo_nyon_14_3_2016_0289_news_vdn_home.jpg

833 ms

aff_voter_20nov-2p_news_accroche_pano.jpg

aff_voter_20nov-2p_news_accroche_pano.jpg

926 ms

picto-geoportail_news_accroche_pano.jpg

picto-geoportail_news_accroche_pano.jpg

927 ms

piscine_news_accroche_pano.jpg

piscine_news_accroche_pano.jpg

928 ms

qual_air_tres_faible.gif

qual_air_tres_faible.gif

928 ms

90.gif

90.gif

1017 ms

1.gif

1.gif

1018 ms

2.gif

2.gif

1110 ms

4fest13_175x100.jpg

4fest13_175x100.jpg

1111 ms

teaser_nrt_vdn1.jpg

teaser_nrt_vdn1.jpg

1114 ms

copyright.gif

copyright.gif

1113 ms

copy_nyon.gif

copy_nyon.gif

1201 ms

hr_vdn.gif

hr_vdn.gif

1187 ms

bg_pilier_vdn.gif

bg_pilier_vdn.gif

1280 ms

ga.js

ga.js

25 ms

__utm.gif

__utm.gif

24 ms

Accessibility Review

nyon.ch accessibility score

85

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

Buttons do not have an accessible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

nyon.ch best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

nyon.ch SEO score

99

Search Engine Optimization Advices

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nyon.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 Nyon.ch 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

nyon.ch

Open Graph description is not detected on the main page of Nyon. 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: