Report Summary

  • 19

    Performance

    Renders faster than
    39% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 90% of websites

  • 46

    Best Practices

    More advanced features
    available than in
    28% of websites

  • 84

    SEO

    Google-friendlier than
    60% of websites

uvcw.be

Union des Villes et Communes de Wallonie asbl

Page Load Speed

2.7 sec in total

First Response

658 ms

Resources Loaded

1.8 sec

Page Rendered

249 ms

uvcw.be screenshot

About Website

Click here to check amazing Uvcw content for Belgium. Otherwise, check out these important facts you probably never knew about uvcw.be

L'Union des Villes et Communes de Wallonie représente l'ensemble des pouvoirs locaux de la Région wallonne. Elle a pour but de les aider à  remplir leurs missions au service des citoyens, et d'assurer...

Visit uvcw.be

Key Findings

We analyzed Uvcw.be page load time and found that the first response time was 658 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster. This domain responded with an error, which can significantly jeopardize Uvcw.be rating and web reputation

Performance Metrics

uvcw.be performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value23.6 s

0/100

25%

SI (Speed Index)

Value14.5 s

1/100

10%

TBT (Total Blocking Time)

Value9,500 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value29.6 s

0/100

10%

Network Requests Diagram

uvcw.be

658 ms

cfform.js

168 ms

masks.js

175 ms

cookiewarning4.js

177 ms

test1.css

331 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 94% of them (66 requests) were addressed to the original Uvcw.be, 3% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (760 ms) belongs to the original domain Uvcw.be.

Page Optimization Overview & Recommendations

Page size can be reduced by 470.2 kB (71%)

Content Size

657.7 kB

After Optimization

187.5 kB

In fact, the total size of Uvcw.be main page is 657.7 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. Javascripts take 383.5 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 73.8 kB

  • Original 90.2 kB
  • After minification 64.3 kB
  • After compression 16.4 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 25.9 kB, which is 29% 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 73.8 kB or 82% of the original size.

Image Optimization

-5%

Potential reduce by 4.3 kB

  • Original 86.7 kB
  • After minification 82.4 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. Uvcw images are well optimized though.

JavaScript Optimization

-80%

Potential reduce by 307.5 kB

  • Original 383.5 kB
  • After minification 238.9 kB
  • After compression 76.0 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 307.5 kB or 80% of the original size.

CSS Optimization

-87%

Potential reduce by 84.6 kB

  • Original 97.3 kB
  • After minification 63.2 kB
  • After compression 12.8 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. Uvcw.be needs all CSS files to be minified and compressed as it can save up to 84.6 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (57%)

Requests Now

63

After Optimization

27

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Uvcw. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

uvcw.be accessibility score

95

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.

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

<frame> or <iframe> elements do not have a title

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

uvcw.be best practices score

46

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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

High

Registers an unload listener

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

uvcw.be SEO score

84

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

High

robots.txt is not valid

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 Uvcw.be 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 Uvcw.be 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

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