Tools & Wizards About Us
opticien24.be screenshot

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

opticien24.be

Commander des lunettes en ligne - Opticien24 - Opticien24

Page Load Speed

4.2 sec in total

First Response

285 ms

Resources Loaded

3.4 sec

Page Rendered

488 ms

opticien24.be screenshot

About Website

Welcome to opticien24.be homepage info - get ready to check Opticien24 best content right away, or after learning these important things about opticien24.be

Acheter en ligne des lunettes de vue à partir de 29,90€ - Opticien24 ✔ Lunettes progressives ✔ Lunettes de marque ✔ Lunettes de soleil et bien plus encore...

Visit opticien24.be

Key Findings

We analyzed Opticien24.be page load time and found that the first response time was 285 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

opticien24.be performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value14.1 s

0/100

25%

SI (Speed Index)

Value13.6 s

2/100

10%

TBT (Total Blocking Time)

Value1,730 ms

10/100

30%

CLS (Cumulative Layout Shift)

Value0.542

13/100

15%

TTI (Time to Interactive)

Value14.9 s

8/100

10%

Network Requests Diagram

opticien24.be

285 ms

www.opticien24.com

542 ms

b563650efd66c6bec9c7a38c066251be.css

689 ms

b57c5adc73fbceb1d73b4ac86263d8e3.js

1215 ms

css

23 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Opticien24.be, 83% (54 requests) were made to Opticien24.com and 5% (3 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Opticien24.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.8 MB (53%)

Content Size

3.4 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Opticien24.be main page is 3.4 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. 35% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 114.0 kB

  • Original 135.5 kB
  • After minification 110.2 kB
  • After compression 21.5 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 25.3 kB, which is 19% 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 114.0 kB or 84% of the original size.

Image Optimization

-5%

Potential reduce by 64.8 kB

  • Original 1.3 MB
  • After minification 1.3 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. Opticien24 images are well optimized though.

JavaScript Optimization

-81%

Potential reduce by 970.6 kB

  • Original 1.2 MB
  • After minification 819.8 kB
  • After compression 221.9 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 970.6 kB or 81% of the original size.

CSS Optimization

-88%

Potential reduce by 664.0 kB

  • Original 756.6 kB
  • After minification 585.5 kB
  • After compression 92.6 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. Opticien24.be needs all CSS files to be minified and compressed as it can save up to 664.0 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (13%)

Requests Now

61

After Optimization

53

  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Opticien24. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

opticien24.be

opticien24.be

285 ms

www.opticien24.com

www.opticien24.com

542 ms

b563650efd66c6bec9c7a38c066251be.css

b563650efd66c6bec9c7a38c066251be.css

689 ms

b57c5adc73fbceb1d73b4ac86263d8e3.js

b57c5adc73fbceb1d73b4ac86263d8e3.js

1215 ms

css

css

23 ms

fish_menu.css

fish_menu.css

363 ms

dc.js

dc.js

32 ms

19f20bf03fbaf7afeb3b35a77123bf49.css

19f20bf03fbaf7afeb3b35a77123bf49.css

101 ms

logo-url_be-fr.png

logo-url_be-fr.png

96 ms

chrono.gif

chrono.gif

90 ms

icons-sprite.png

icons-sprite.png

214 ms

arrow-up1.png

arrow-up1.png

214 ms

header-main-menu-sep.png

header-main-menu-sep.png

209 ms

promo_icon_sales.gif

promo_icon_sales.gif

225 ms

1601_relax_fr.jpg

1601_relax_fr.jpg

682 ms

1511_unif-men_fr.jpg

1511_unif-men_fr.jpg

541 ms

1511_unif-women_fr.jpg

1511_unif-women_fr.jpg

452 ms

br7031_1.jpg

br7031_1.jpg

326 ms

br7033_1.jpg

br7033_1.jpg

320 ms

br7034_1.jpg

br7034_1.jpg

326 ms

br3281_1.jpg

br3281_1.jpg

406 ms

br3481_1.jpg

br3481_1.jpg

407 ms

br3473_1.jpg

br3473_1.jpg

406 ms

br1552_2.jpg

br1552_2.jpg

491 ms

br3507_1.jpg

br3507_1.jpg

492 ms

br3197_2.jpg

br3197_2.jpg

492 ms

br3475_1.jpg

br3475_1.jpg

530 ms

br2475_3.jpg

br2475_3.jpg

572 ms

br1763_2.jpg

br1763_2.jpg

571 ms

br1374_1.jpg

br1374_1.jpg

572 ms

br3054_2.jpg

br3054_2.jpg

609 ms

br1094.jpg

br1094.jpg

619 ms

br2353_1.jpg

br2353_1.jpg

654 ms

br2423_2.jpg

br2423_2.jpg

654 ms

br3022_4.jpg

br3022_4.jpg

654 ms

box-29e_fr.jpg

box-29e_fr.jpg

765 ms

box-mail.jpg

box-mail.jpg

699 ms

box-blue.jpg

box-blue.jpg

888 ms

box-sun_fr.jpg

box-sun_fr.jpg

737 ms

box-chrome_fr.jpg

box-chrome_fr.jpg

737 ms

box-signature_fr.jpg

box-signature_fr.jpg

832 ms

box-gradient_fr.jpg

box-gradient_fr.jpg

934 ms

box-mirror_fr.jpg

box-mirror_fr.jpg

978 ms

__utm.gif

__utm.gif

28 ms

__utm.gif

__utm.gif

28 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

826 ms

bounce

bounce

14 ms

box-polar_fr.jpg

box-polar_fr.jpg

927 ms

gk5FxslNkTTHtojXrkp-xM6Eyu0BCqAfob_z3hhzRFzr7w4p9aSvGirXi6XmeXNA.woff

gk5FxslNkTTHtojXrkp-xM6Eyu0BCqAfob_z3hhzRFzr7w4p9aSvGirXi6XmeXNA.woff

12 ms

exclusive.jpg

exclusive.jpg

832 ms

loader0.js

loader0.js

83 ms

loader.gif

loader.gif

765 ms

newsletter-stamp.png

newsletter-stamp.png

774 ms

sidebar-sprite.png

sidebar-sprite.png

791 ms

3786-490-10-7065.js

3786-490-10-7065.js

28 ms

stamps-sprite_fr.png

stamps-sprite_fr.png

949 ms

c

c

105 ms

flags-sprite.png

flags-sprite.png

728 ms

payment-sprite.png

payment-sprite.png

736 ms

shipment-sprite.png

shipment-sprite.png

735 ms

noise-darkgray.jpg

noise-darkgray.jpg

670 ms

stamp-sales-content.jpg

stamp-sales-content.jpg

675 ms

stamp-sales-sep.jpg

stamp-sales-sep.jpg

718 ms

rating-sprite.png

rating-sprite.png

689 ms

application2.js

application2.js

135 ms

Accessibility Review

opticien24.be accessibility score

81

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

opticien24.be 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

opticien24.be SEO score

86

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

Document doesn't have a valid hreflang

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 Opticien24.be 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 Opticien24.be 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

opticien24.be

Open Graph description is not detected on the main page of Opticien24. 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: