Tools & Wizards About Us
certypro.com screenshot

Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 79% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

certypro.com

Les professionnels de l'efficacité énergétique de CertiNergy & Solutions

Page Load Speed

3.1 sec in total

First Response

270 ms

Resources Loaded

2.4 sec

Page Rendered

379 ms

certypro.com screenshot

About Website

Welcome to certypro.com homepage info - get ready to check Certypro best content right away, or after learning these important things about certypro.com

Depuis 2009, nous développons notre réseau de professionnels qui proposent des projets d'efficacité énergétique à des ménages mais aussi à des entreprises

Visit certypro.com

Key Findings

We analyzed Certypro.com page load time and found that the first response time was 270 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

certypro.com performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value1,690 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value1

2/100

15%

TTI (Time to Interactive)

Value14.0 s

10/100

10%

Network Requests Diagram

certypro.com

270 ms

22 ms

1409 ms

jquery.fancybox.min.css

10 ms

css

58 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Certypro.com, 35% (16 requests) were made to Certinergy.com and 26% (12 requests) were made to I0.wp.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Certinergy.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 151.2 kB (16%)

Content Size

937.7 kB

After Optimization

786.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Certypro.com main page is 937.7 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. 30% of websites need less resources to load. Images take 614.3 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 137.8 kB

  • Original 163.3 kB
  • After minification 158.5 kB
  • After compression 25.5 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. 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 137.8 kB or 84% of the original size.

Image Optimization

-0%

Potential reduce by 2.3 kB

  • Original 614.3 kB
  • After minification 612.0 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. Certypro images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 11.0 kB

  • Original 158.6 kB
  • After minification 158.6 kB
  • After compression 147.7 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

-1%

Potential reduce by 15 B

  • Original 1.4 kB
  • After minification 1.4 kB
  • After compression 1.4 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. Certypro.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 21 (57%)

Requests Now

37

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Certypro. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

certypro.com

certypro.com

270 ms

22 ms

1409 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

10 ms

css

css

58 ms

jquery.min.js

jquery.min.js

30 ms

jquery-migrate.min.js

jquery-migrate.min.js

27 ms

certinergy.com

certinergy.com

523 ms

bilmur.min.js

bilmur.min.js

34 ms

47 ms

40 ms

139848030.js

139848030.js

418 ms

hello-frontend.min.js

hello-frontend.min.js

32 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

32 ms

e-202421.js

e-202421.js

33 ms

frontend.js

frontend.js

33 ms

v2.js

v2.js

598 ms

49 ms

frontend.min.js

frontend.min.js

35 ms

matomo.js

matomo.js

133 ms

logo-certinergy.png

logo-certinergy.png

93 ms

accompagnement-cee.png

accompagnement-cee.png

466 ms

logo-cee.png

logo-cee.png

300 ms

Page-reseau-dinstallateurs-notre-offre.jpg

Page-reseau-dinstallateurs-notre-offre.jpg

176 ms

lettre-dinformations-CEE-de-fevrier-2024.png

lettre-dinformations-CEE-de-fevrier-2024.png

419 ms

lettre-dinformations-CEE-de-janvier-2024.png

lettre-dinformations-CEE-de-janvier-2024.png

354 ms

Actualites-reglementaires-2023.png

Actualites-reglementaires-2023.png

330 ms

cropped-logo-certinergy-engie-CMJN-1.png

cropped-logo-certinergy-engie-CMJN-1.png

196 ms

linkedin-1-1.png

linkedin-1-1.png

196 ms

twitter-6-1.png

twitter-6-1.png

197 ms

Group-37.png

Group-37.png

197 ms

Group-3.png

Group-3.png

198 ms

S6uyw4BMUTPHjx4wWw.ttf

S6uyw4BMUTPHjx4wWw.ttf

131 ms

S6u9w4BMUTPHh7USSwiPHA.ttf

S6u9w4BMUTPHh7USSwiPHA.ttf

140 ms

S6u8w4BMUTPHh30AXC-v.ttf

S6u8w4BMUTPHh30AXC-v.ttf

141 ms

S6u9w4BMUTPHh6UVSwiPHA.ttf

S6u9w4BMUTPHh6UVSwiPHA.ttf

141 ms

S6u9w4BMUTPHh50XSwiPHA.ttf

S6u9w4BMUTPHh50XSwiPHA.ttf

141 ms

fa-solid-900.woff

fa-solid-900.woff

79 ms

fa-regular-400.woff

fa-regular-400.woff

62 ms

certinergy-travaux-energetique-1.png

certinergy-travaux-energetique-1.png

103 ms

web-interactives-embed.js

web-interactives-embed.js

495 ms

banner.js

banner.js

485 ms

139848030.js

139848030.js

501 ms

collectedforms.js

collectedforms.js

468 ms

matomo.php

matomo.php

557 ms

configs.php

configs.php

403 ms

Accessibility Review

certypro.com accessibility score

92

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

Best Practices

certypro.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

certypro.com SEO score

89

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 Certypro.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 Certypro.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

certypro.com

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