Tools & Wizards About Us
lustrel.com screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

lustrel.com

Lustrel Laboratoires français façonnier et fabricant de compléments alimentaires | Accueil

Page Load Speed

4.8 sec in total

First Response

262 ms

Resources Loaded

4.1 sec

Page Rendered

411 ms

lustrel.com screenshot

About Website

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

Pour vous, nous formulons, fabriquons et conditionnons dans notre usine en France des compléments alimentaires quelque soit votre projet et votre timing.

Visit lustrel.com

Key Findings

We analyzed Lustrel.com page load time and found that the first response time was 262 ms and then it took 4.6 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

lustrel.com performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

11/100

25%

SI (Speed Index)

Value10.2 s

9/100

10%

TBT (Total Blocking Time)

Value230 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value9.4 s

31/100

10%

Network Requests Diagram

lustrel.com

262 ms

www.lustrel.com

1154 ms

ktv4ajk.css

73 ms

admin-bar-style.css

192 ms

main_94608644.css

482 ms

Our browser made a total of 26 requests to load all elements on the main page. We found that 77% of them (20 requests) were addressed to the original Lustrel.com, 15% (4 requests) were made to Use.typekit.net and 4% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Lustrel.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 57.3 kB (17%)

Content Size

335.0 kB

After Optimization

277.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lustrel.com main page is 335.0 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. Javascripts take 198.8 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 57.3 kB

  • Original 75.7 kB
  • After minification 72.7 kB
  • After compression 18.5 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. 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 57.3 kB or 76% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 4.0 kB
  • After minification 4.0 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. Lustrel images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 24 B

  • Original 198.8 kB
  • After minification 198.8 kB
  • After compression 198.8 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

-0%

Potential reduce by 64 B

  • Original 56.4 kB
  • After minification 56.4 kB
  • After compression 56.3 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. Lustrel.com has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 8 (47%)

Requests Now

17

After Optimization

9

  • Images
  • JavaScript
  • CSS

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lustrel. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lustrel.com

lustrel.com

262 ms

www.lustrel.com

www.lustrel.com

1154 ms

ktv4ajk.css

ktv4ajk.css

73 ms

admin-bar-style.css

admin-bar-style.css

192 ms

main_94608644.css

main_94608644.css

482 ms

jquery.min.js

jquery.min.js

385 ms

jquery-migrate.min.js

jquery-migrate.min.js

293 ms

browser-detect_94608644.js

browser-detect_94608644.js

293 ms

js

js

39 ms

p.css

p.css

32 ms

style.css

style.css

197 ms

main_94608644.js

main_94608644.js

615 ms

logo-lustrel_01eb0216.png

logo-lustrel_01eb0216.png

125 ms

icon-world_05e96961.svg

icon-world_05e96961.svg

123 ms

madeinfrance_ca365ede.svg

madeinfrance_ca365ede.svg

116 ms

background_texture_5e49664f.png

background_texture_5e49664f.png

124 ms

icon-phone_9834d0f0.svg

icon-phone_9834d0f0.svg

114 ms

icon-marker_a7c11dbe.svg

icon-marker_a7c11dbe.svg

194 ms

icon-linkedin_fd6e9fe5.svg

icon-linkedin_fd6e9fe5.svg

195 ms

HelveticaNeue-Light_fb226da1.woff

HelveticaNeue-Light_fb226da1.woff

295 ms

d

d

22 ms

d

d

43 ms

d

d

44 ms

HelveticaNeue-Bold_6237041b.woff

HelveticaNeue-Bold_6237041b.woff

375 ms

HelveticaNeue-Regular_da44c2ab.woff

HelveticaNeue-Regular_da44c2ab.woff

188 ms

HelveticaNeue-Medium_322733e7.woff

HelveticaNeue-Medium_322733e7.woff

245 ms

Accessibility Review

lustrel.com accessibility score

76

Accessibility Issues

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

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

lustrel.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

lustrel.com SEO score

93

Search Engine Optimization Advices

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

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 Lustrel.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 Lustrel.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

lustrel.com

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