Tools & Wizards About Us

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

opticaldiscount.com

Optical Discount, votre opticien en ligne : lunettes, lentilles et produits d'entretien

Page Load Speed

3.3 sec in total

First Response

257 ms

Resources Loaded

2.6 sec

Page Rendered

445 ms

About Website

Welcome to opticaldiscount.com homepage info - get ready to check Optical Discount best content for France right away, or after learning these important things about opticaldiscount.com

Opticien en ligne et réseau de magasins en France et DOM-TOM ✓ Les plus grandes marques de lunettes de soleil, de vue et lentilles de contact à prix abordable

Visit opticaldiscount.com

Key Findings

We analyzed Opticaldiscount.com page load time and found that the first response time was 257 ms and then it took 3.1 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

opticaldiscount.com performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value1,440 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.516

15/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

Network Requests Diagram

opticaldiscount.com

257 ms

521 ms

css

41 ms

bootstrap.css

558 ms

font-awesome.min.css

19 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 78% of them (75 requests) were addressed to the original Opticaldiscount.com, 7% (7 requests) were made to Google.com and 2% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (920 ms) belongs to the original domain Opticaldiscount.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 55.5 kB (9%)

Content Size

644.8 kB

After Optimization

589.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Opticaldiscount.com main page is 644.8 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. 55% of websites need less resources to load. Images take 368.8 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 54.5 kB

  • Original 66.4 kB
  • After minification 64.4 kB
  • After compression 11.9 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 54.5 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 51 B

  • Original 368.8 kB
  • After minification 368.7 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. Optical Discount images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 729 B

  • Original 187.0 kB
  • After minification 187.0 kB
  • After compression 186.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 194 B

  • Original 22.7 kB
  • After minification 22.7 kB
  • After compression 22.5 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. Opticaldiscount.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 68 (77%)

Requests Now

88

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 88 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Optical Discount. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 57 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

opticaldiscount.com accessibility score

70

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

opticaldiscount.com 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

High

Page has valid source maps

SEO Factors

opticaldiscount.com 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

    FR

  • Language Claimed

    FR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Opticaldiscount.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 Opticaldiscount.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 Optical Discount. 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: