Report Summary

  • 5

    Performance

    Renders faster than
    21% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

direct-optic.com

Opticien en ligne Direct Optic : lunettes en ligne pas cher sur internet

Page Load Speed

288 ms in total

First Response

27 ms

Resources Loaded

197 ms

Page Rendered

64 ms

direct-optic.com screenshot

About Website

Click here to check amazing Direct Optic content. Otherwise, check out these important facts you probably never knew about direct-optic.com

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Visit direct-optic.com

Key Findings

We analyzed Direct-optic.com page load time and found that the first response time was 27 ms and then it took 261 ms to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

direct-optic.com performance score

5

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

36/100

10%

LCP (Largest Contentful Paint)

Value11.2 s

0/100

25%

SI (Speed Index)

Value10.3 s

8/100

10%

TBT (Total Blocking Time)

Value5,970 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value1.201

1/100

15%

TTI (Time to Interactive)

Value24.7 s

0/100

10%

Network Requests Diagram

direct-optic.com

27 ms

www.direct-optic.fr

134 ms

cf.errors.css

4 ms

browser-bar.png

9 ms

cf-no-screenshot-error.png

8 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that 17% of them (1 request) were addressed to the original Direct-optic.com, 83% (5 requests) were made to Direct-optic.fr. The less responsive or slowest element that took the longest time to load (134 ms) relates to the external source Direct-optic.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.1 kB (23%)

Content Size

13.5 kB

After Optimization

10.4 kB

In fact, the total size of Direct-optic.com main page is 13.5 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. HTML takes 5.1 kB which makes up the majority of the site volume.

HTML Optimization

-60%

Potential reduce by 3.0 kB

  • Original 5.1 kB
  • After minification 5.1 kB
  • After compression 2.0 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 3.0 kB or 60% of the original size.

Image Optimization

-0%

Potential reduce by 5 B

  • Original 3.9 kB
  • After minification 3.9 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. Direct Optic images are well optimized though.

CSS Optimization

-2%

Potential reduce by 75 B

  • Original 4.5 kB
  • After minification 4.5 kB
  • After compression 4.4 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. Direct-optic.com has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

4

After Optimization

4

The browser has sent 4 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Direct Optic. According to our analytics all requests are already optimized.

Accessibility Review

direct-optic.com accessibility score

86

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

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

Best Practices

direct-optic.com 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

direct-optic.com 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

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Direct-optic.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Direct-optic.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 Direct Optic. 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: