Tools & Wizards About Us
dauvister.com screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 57

    Accessibility

    Visual factors better than
    that of 24% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

dauvister.com

Chauffagiste | Panneaux solaires, chaudières et sanitaire

Page Load Speed

4.6 sec in total

First Response

225 ms

Resources Loaded

3.9 sec

Page Rendered

479 ms

dauvister.com screenshot

About Website

Visit dauvister.com now to see the best up-to-date Dauvister content for Belgium and also check out these interesting facts you probably never knew about dauvister.com

Chaudières et panneaux solaires | Dauvister installe, dépanne et entretient vos chaudières et panneaux solaires en Wallonie (Liège, Namur,...) et à Bruxelles.

Visit dauvister.com

Key Findings

We analyzed Dauvister.com page load time and found that the first response time was 225 ms and then it took 4.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

dauvister.com performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value610 ms

49/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

dauvister.com

225 ms

www.dauvister.com

292 ms

www.dauvister.com

363 ms

819 ms

gtm.js

64 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 84% of them (38 requests) were addressed to the original Dauvister.com, 11% (5 requests) were made to Youtube.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Dauvister.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 661.7 kB (21%)

Content Size

3.1 MB

After Optimization

2.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dauvister.com main page is 3.1 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. 65% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 77.4 kB

  • Original 91.2 kB
  • After minification 58.6 kB
  • After compression 13.7 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 32.6 kB, which is 36% 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 77.4 kB or 85% of the original size.

Image Optimization

-21%

Potential reduce by 571.9 kB

  • Original 2.7 MB
  • After minification 2.1 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. Obviously, Dauvister needs image optimization as it can save up to 571.9 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 284 B

  • Original 259.5 kB
  • After minification 259.5 kB
  • After compression 259.2 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.

CSS Optimization

-16%

Potential reduce by 12.2 kB

  • Original 76.9 kB
  • After minification 76.9 kB
  • After compression 64.7 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. Dauvister.com needs all CSS files to be minified and compressed as it can save up to 12.2 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (25%)

Requests Now

36

After Optimization

27

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dauvister. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

dauvister.com

dauvister.com

225 ms

www.dauvister.com

www.dauvister.com

292 ms

www.dauvister.com

www.dauvister.com

363 ms

819 ms

gtm.js

gtm.js

64 ms

FlexoCMS.Theme.min.css

FlexoCMS.Theme.min.css

326 ms

modernizr.min.js

modernizr.min.js

293 ms

jquery.js

jquery.js

294 ms

bower_components.min.js

bower_components.min.js

653 ms

FlexoCMS.Master.min.js

FlexoCMS.Master.min.js

534 ms

logo.svg

logo.svg

354 ms

icon-sav.svg

icon-sav.svg

413 ms

dsc-2419.jpg

dsc-2419.jpg

1099 ms

shutterstock-2186326265.jpg

shutterstock-2186326265.jpg

418 ms

icone-ampoule.svg

icone-ampoule.svg

1082 ms

icon-autoconsommation.svg

icon-autoconsommation.svg

1102 ms

icone-checklist.svg

icone-checklist.svg

1098 ms

logo-footer.svg

logo-footer.svg

1099 ms

oval.svg

oval.svg

1037 ms

arrow-red.svg

arrow-red.svg

1118 ms

arrow-orange.svg

arrow-orange.svg

1115 ms

MYRIADPRO-REGULAR.woff

MYRIADPRO-REGULAR.woff

1117 ms

MyriadPro-Light.woff

MyriadPro-Light.woff

1190 ms

MYRIADPRO-SEMIBOLD.woff

MYRIADPRO-SEMIBOLD.woff

1291 ms

MYRIADPRO-BOLD.woff

MYRIADPRO-BOLD.woff

1206 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

271 ms

messages_fr.js

messages_fr.js

328 ms

typeahead.bundle.min.js

typeahead.bundle.min.js

309 ms

icone-ampoule.svg

icone-ampoule.svg

324 ms

icon-autoconsommation.svg

icon-autoconsommation.svg

394 ms

icone-checklist.svg

icone-checklist.svg

400 ms

iframe_api

iframe_api

100 ms

iframe_api

iframe_api

124 ms

iframe_api

iframe_api

131 ms

iframe_api

iframe_api

131 ms

maison.png

maison.png

696 ms

serge.png

serge.png

370 ms

vignette.png

vignette.png

459 ms

img-5520.jpg

img-5520.jpg

459 ms

logo-icon.svg

logo-icon.svg

350 ms

www-widgetapi.js

www-widgetapi.js

19 ms

adobestock-425210703.jpeg

adobestock-425210703.jpeg

107 ms

20210609-135539.jpg

20210609-135539.jpg

100 ms

2022-07-01-dauvister-045.jpg

2022-07-01-dauvister-045.jpg

175 ms

2022-07-01-dauvister-161.jpg

2022-07-01-dauvister-161.jpg

106 ms

Accessibility Review

dauvister.com accessibility score

57

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-*] attributes do not match their roles

High

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

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

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

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

dauvister.com 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

High

Missing source maps for large first-party JavaScript

SEO Factors

dauvister.com SEO score

88

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

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 Dauvister.com 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 Dauvister.com 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

dauvister.com

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