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411numbers.fr screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

411numbers.fr

411numbers.fr

Page Load Speed

2.6 sec in total

First Response

537 ms

Resources Loaded

1.9 sec

Page Rendered

241 ms

411numbers.fr screenshot

About Website

Visit 411numbers.fr now to see the best up-to-date 411 Numbers content for France and also check out these interesting facts you probably never knew about 411numbers.fr

411Numbers est votre répertoire en ligne de Pages Blanches. Cherchez par nom, téléphone, adresse et plus encore. Rechercher au travers de millions d'adresses et trouver la personne exacte que vous rec...

Visit 411numbers.fr

Key Findings

We analyzed 411numbers.fr page load time and found that the first response time was 537 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

411numbers.fr performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

93/100

10%

LCP (Largest Contentful Paint)

Value1.7 s

99/100

25%

SI (Speed Index)

Value2.0 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.032

100/100

15%

TTI (Time to Interactive)

Value1.7 s

100/100

10%

Network Requests Diagram

411numbers.fr

537 ms

css

70 ms

font-awesome.min.css

34 ms

bootstrap.min.css

41 ms

411numbers.css

27 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 35% of them (9 requests) were addressed to the original 411numbers.fr, 19% (5 requests) were made to Cdnjs.cloudflare.com and 12% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (545 ms) relates to the external source Static.xx.fbcdn.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 240.7 kB (29%)

Content Size

821.8 kB

After Optimization

581.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 411numbers.fr main page is 821.8 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. 25% of websites need less resources to load. Images take 526.2 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 13.0 kB

  • Original 18.6 kB
  • After minification 18.1 kB
  • After compression 5.6 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 13.0 kB or 70% of the original size.

Image Optimization

-4%

Potential reduce by 18.8 kB

  • Original 526.2 kB
  • After minification 507.4 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. 411 Numbers images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 81.7 kB

  • Original 121.3 kB
  • After minification 121.1 kB
  • After compression 39.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 81.7 kB or 67% of the original size.

CSS Optimization

-82%

Potential reduce by 127.3 kB

  • Original 155.8 kB
  • After minification 155.4 kB
  • After compression 28.6 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. 411numbers.fr needs all CSS files to be minified and compressed as it can save up to 127.3 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (43%)

Requests Now

21

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 411 Numbers. 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.

Network Requests Diagram

411numbers.fr

411numbers.fr

537 ms

css

css

70 ms

font-awesome.min.css

font-awesome.min.css

34 ms

bootstrap.min.css

bootstrap.min.css

41 ms

411numbers.css

411numbers.css

27 ms

jquery.min.js

jquery.min.js

54 ms

bootstrap.min.js

bootstrap.min.js

50 ms

411numbers.min.js

411numbers.min.js

49 ms

js

js

113 ms

sdk.js

sdk.js

451 ms

411numbers-logo.png

411numbers-logo.png

93 ms

city.jpg

city.jpg

79 ms

graph.png

graph.png

470 ms

contacts.png

contacts.png

492 ms

timeline.png

timeline.png

492 ms

411numbers-bw-small.png

411numbers-bw-small.png

53 ms

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf

54 ms

DXI1ORHCpsQm3Vp6mXoaTYnF5uFdDttMLvmWuJdhhgs.ttf

DXI1ORHCpsQm3Vp6mXoaTYnF5uFdDttMLvmWuJdhhgs.ttf

63 ms

MTP_ySUJH_bn48VBG8sNSonF5uFdDttMLvmWuJdhhgs.ttf

MTP_ySUJH_bn48VBG8sNSonF5uFdDttMLvmWuJdhhgs.ttf

67 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

35 ms

in.php

in.php

282 ms

57 ms

xd_arbiter.php

xd_arbiter.php

426 ms

like.php

like.php

61 ms

rU2ubZ6l1Q5.js

rU2ubZ6l1Q5.js

484 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

545 ms

Accessibility Review

411numbers.fr accessibility score

58

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

411numbers.fr best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

411numbers.fr SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

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

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 411numbers.fr 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 411numbers.fr 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

411numbers.fr

Open Graph data is detected on the main page of 411 Numbers. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: