Tools & Wizards About Us

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

certideal.com

iPhone reconditionné | Samsung reconditionné - CERTIDEAL

Page Load Speed

3.5 sec in total

First Response

148 ms

Resources Loaded

1.4 sec

Page Rendered

1.9 sec

About Website

Welcome to certideal.com homepage info - get ready to check CERTIDEAL best content for France right away, or after learning these important things about certideal.com

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Visit certideal.com

Key Findings

We analyzed Certideal.com page load time and found that the first response time was 148 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

certideal.com performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

27/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value7.5 s

27/100

10%

TBT (Total Blocking Time)

Value3,260 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.479

18/100

15%

TTI (Time to Interactive)

Value17.9 s

3/100

10%

Network Requests Diagram

certideal.com

148 ms

certideal.com

529 ms

v_1032_d013c1a5bee4effa1ff34ce5f092dd03_all.css

40 ms

v_923_49cc58445cd03b44eee1ebdcb2164bcc.js

39 ms

widget21.min.js

144 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Certideal.com, 61% (37 requests) were made to Cf6.certideal.com and 21% (13 requests) were made to Cf4.certideal.com. The less responsive or slowest element that took the longest time to load (529 ms) belongs to the original domain Certideal.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 132.4 kB (29%)

Content Size

458.8 kB

After Optimization

326.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Certideal.com main page is 458.8 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. 65% of websites need less resources to load. Javascripts take 179.7 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 127.3 kB

  • Original 151.2 kB
  • After minification 151.2 kB
  • After compression 23.9 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 127.3 kB or 84% of the original size.

Image Optimization

-5%

Potential reduce by 3.5 kB

  • Original 77.7 kB
  • After minification 74.2 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. CERTIDEAL images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.2 kB

  • Original 179.7 kB
  • After minification 179.7 kB
  • After compression 178.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 434 B

  • Original 50.2 kB
  • After minification 50.2 kB
  • After compression 49.8 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. Certideal.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 3 (11%)

Requests Now

28

After Optimization

25

  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CERTIDEAL. 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

Accessibility Review

certideal.com accessibility score

81

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

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

High

Heading elements are not in a sequentially-descending order

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

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

certideal.com best practices score

67

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

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

certideal.com SEO score

91

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 Certideal.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 Certideal.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

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