Report Summary

  • 26

    Performance

    Renders faster than
    46% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 69% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

johnverfaillie.over-blog.com

John Verfaillie - Chaque champion a été un jour un concurrent qui a refusé d'abandonner

Page Load Speed

3.9 sec in total

First Response

1.3 sec

Resources Loaded

2 sec

Page Rendered

525 ms

johnverfaillie.over-blog.com screenshot

About Website

Visit johnverfaillie.over-blog.com now to see the best up-to-date John Verfaillie Over Blog content for France and also check out these interesting facts you probably never knew about johnverfaillie.over-blog.com

Chaque champion a été un jour un concurrent qui a refusé d'abandonner

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Key Findings

We analyzed Johnverfaillie.over-blog.com page load time and found that the first response time was 1.3 sec 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

johnverfaillie.over-blog.com performance score

26

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.0 s

100/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value14.6 s

1/100

10%

TBT (Total Blocking Time)

Value6,720 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value21.5 s

1/100

10%

Network Requests Diagram

johnverfaillie.over-blog.com

1336 ms

ads.js

362 ms

ob-style.css

374 ms

normalize.min.css

47 ms

jquery.min.js

57 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Johnverfaillie.over-blog.com, 31% (12 requests) were made to Assets.over-blog-kiwi.com and 31% (12 requests) were made to Image.over-blog.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Johnverfaillie.over-blog.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 115.4 kB (79%)

Content Size

145.6 kB

After Optimization

30.2 kB

In fact, the total size of Johnverfaillie.over-blog.com main page is 145.6 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. HTML takes 131.3 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 115.4 kB

  • Original 131.3 kB
  • After minification 101.9 kB
  • After compression 15.9 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. This page needs HTML code to be minified as it can gain 29.4 kB, which is 22% 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 115.4 kB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 14.1 kB
  • After minification 14.1 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. John Verfaillie Over Blog images are well optimized though.

JavaScript Optimization

-9%

Potential reduce by 21 B

  • Original 227 B
  • After minification 221 B
  • After compression 206 B

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.

Requests Breakdown

Number of requests can be reduced by 9 (75%)

Requests Now

12

After Optimization

3

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of John Verfaillie Over Blog. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

johnverfaillie.over-blog.com accessibility score

88

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 are not valid or misspelled

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.

Best Practices

johnverfaillie.over-blog.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

johnverfaillie.over-blog.com SEO score

92

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

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 Johnverfaillie.over-blog.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 Johnverfaillie.over-blog.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 John Verfaillie Over Blog. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: