Report Summary

  • 67

    Performance

    Renders faster than
    79% of other websites

  • 61

    Accessibility

    Visual factors better than
    that of 27% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

bienvoir.com

Opticien en ligne proposant des lunettes de grande marque à partir de 39 €uros verres à votre vue et frais de port compris - Bienvoir.com - Opticien

Page Load Speed

5.3 sec in total

First Response

268 ms

Resources Loaded

4.8 sec

Page Rendered

264 ms

About Website

Click here to check amazing Bienvoir content. Otherwise, check out these important facts you probably never knew about bienvoir.com

Opticien en ligne proposant des lunettes de grande marque à partir de 39 €uros verres à votre vue et frais de port compris *

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Key Findings

We analyzed Bienvoir.com page load time and found that the first response time was 268 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

bienvoir.com performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.0 s

64/100

10%

Network Requests Diagram

bienvoir.com

268 ms

www.bienvoir.com

2607 ms

9d4527d1c018778741c1087143e117af_all.css

242 ms

6f03bd62d6b53ea727b12588a2d885ae.js

436 ms

pm_advancedtopmenu_base.css

215 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 93% of them (62 requests) were addressed to the original Bienvoir.com, 3% (2 requests) were made to Google-analytics.com and 3% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Bienvoir.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 105.9 kB (29%)

Content Size

361.2 kB

After Optimization

255.3 kB

In fact, the total size of Bienvoir.com main page is 361.2 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. 25% of websites need less resources to load. Images take 172.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 65.1 kB

  • Original 80.4 kB
  • After minification 80.4 kB
  • After compression 15.3 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 65.1 kB or 81% of the original size.

Image Optimization

-11%

Potential reduce by 19.8 kB

  • Original 172.2 kB
  • After minification 152.4 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. Obviously, Bienvoir needs image optimization as it can save up to 19.8 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-18%

Potential reduce by 14.9 kB

  • Original 84.2 kB
  • After minification 84.2 kB
  • After compression 69.3 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 14.9 kB or 18% of the original size.

CSS Optimization

-25%

Potential reduce by 6.1 kB

  • Original 24.4 kB
  • After minification 24.4 kB
  • After compression 18.3 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. Bienvoir.com needs all CSS files to be minified and compressed as it can save up to 6.1 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (37%)

Requests Now

63

After Optimization

40

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bienvoir. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

bienvoir.com accessibility score

61

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

bienvoir.com best practices score

58

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

bienvoir.com SEO score

62

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Bienvoir.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 Bienvoir.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 description is not detected on the main page of Bienvoir. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: