Tools & Wizards About Us

Report Summary

  • 25

    Performance

    Renders faster than
    44% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

opal.fr

OPAL - Créateur et distributeur de lunettes depuis 1995

Page Load Speed

4.8 sec in total

First Response

344 ms

Resources Loaded

3.7 sec

Page Rendered

779 ms

About Website

Welcome to opal.fr homepage info - get ready to check OPAL best content for France right away, or after learning these important things about opal.fr

Opal, leader dans les lunettes enfant, adolescent et la deuxième paire. Toutes les collections Solaires et Optiques : OWLET, Berenice, Star Wars ...

Visit opal.fr

Key Findings

We analyzed Opal.fr page load time and found that the first response time was 344 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

opal.fr performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value37.2 s

0/100

25%

SI (Speed Index)

Value10.9 s

6/100

10%

TBT (Total Blocking Time)

Value1,110 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0.034

100/100

15%

TTI (Time to Interactive)

Value12.5 s

14/100

10%

Network Requests Diagram

opal.fr

344 ms

572 ms

hu-banner.min.js

65 ms

formidableforms.css

160 ms

js_composer.min.css

719 ms

Our browser made a total of 129 requests to load all elements on the main page. We found that 83% of them (107 requests) were addressed to the original Opal.fr, 6% (8 requests) were made to Fonts.gstatic.com and 5% (7 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (980 ms) belongs to the original domain Opal.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.7 MB (19%)

Content Size

14.2 MB

After Optimization

11.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Opal.fr main page is 14.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. Only a small number of websites need less resources to load. Images take 11.4 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 322.8 kB

  • Original 359.0 kB
  • After minification 341.6 kB
  • After compression 36.2 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 322.8 kB or 90% of the original size.

Image Optimization

-4%

Potential reduce by 423.6 kB

  • Original 11.4 MB
  • After minification 11.0 MB

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. OPAL images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 673.0 kB

  • Original 987.5 kB
  • After minification 983.2 kB
  • After compression 314.5 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 673.0 kB or 68% of the original size.

CSS Optimization

-89%

Potential reduce by 1.3 MB

  • Original 1.5 MB
  • After minification 1.4 MB
  • After compression 155.4 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. Opal.fr needs all CSS files to be minified and compressed as it can save up to 1.3 MB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 50 (43%)

Requests Now

117

After Optimization

67

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 117 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OPAL. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

opal.fr accessibility score

96

Accessibility Issues

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

opal.fr best practices score

83

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

SEO Factors

opal.fr SEO score

89

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Opal.fr can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Opal.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

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