Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

lentilles-online.net

Lentilles-online.net - Beaucoup des clients satisfaits

Page Load Speed

3.3 sec in total

First Response

310 ms

Resources Loaded

2.8 sec

Page Rendered

140 ms

lentilles-online.net screenshot

About Website

Welcome to lentilles-online.net homepage info - get ready to check Lentilles Online best content for France right away, or after learning these important things about lentilles-online.net

Lentilles-online.net - Lentille de contact, Lentille de Couleur, Produit D'entretien, Lunettes de Solaire, Lunettes - CooperVision, Alcon,…

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Key Findings

We analyzed Lentilles-online.net page load time and found that the first response time was 310 ms and then it took 3 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

lentilles-online.net performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value720 ms

41/100

30%

CLS (Cumulative Layout Shift)

Value1.628

0/100

15%

TTI (Time to Interactive)

Value10.7 s

22/100

10%

Network Requests Diagram

lentilles-online.net

310 ms

www.lentilles-online.net

717 ms

1715756503_221dd07d4c8eda7ded30bef48fdf8a0a.css

320 ms

css

47 ms

font-awesome.min.css

44 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 47% of them (21 requests) were addressed to the original Lentilles-online.net, 29% (13 requests) were made to Embed.tawk.to and 4% (2 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (717 ms) belongs to the original domain Lentilles-online.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 108.4 kB (14%)

Content Size

780.2 kB

After Optimization

671.8 kB

In fact, the total size of Lentilles-online.net main page is 780.2 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. 40% of websites need less resources to load. Javascripts take 424.4 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 68.9 kB

  • Original 82.7 kB
  • After minification 82.7 kB
  • After compression 13.8 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 68.9 kB or 83% of the original size.

Image Optimization

-7%

Potential reduce by 9.7 kB

  • Original 147.1 kB
  • After minification 137.4 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. Lentilles Online images are well optimized though.

JavaScript Optimization

-6%

Potential reduce by 26.2 kB

  • Original 424.4 kB
  • After minification 424.4 kB
  • After compression 398.2 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

-3%

Potential reduce by 3.6 kB

  • Original 126.0 kB
  • After minification 126.0 kB
  • After compression 122.4 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. Lentilles-online.net has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 25 (63%)

Requests Now

40

After Optimization

15

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lentilles Online. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

lentilles-online.net accessibility score

87

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

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

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.

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

Best Practices

lentilles-online.net best practices score

75

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

lentilles-online.net 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

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 Lentilles-online.net 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 Lentilles-online.net 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 Lentilles Online. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: