Tools & Wizards About Us
sem-diffusion.fr screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 79

    Accessibility

    Visual factors better than
    that of 47% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

sem-diffusion.fr

SEM, Solutions professionnelles de STOCKAGE, EMBALLAGE et MANUTENTION - Accueil

Page Load Speed

1.5 sec in total

First Response

344 ms

Resources Loaded

976 ms

Page Rendered

199 ms

sem-diffusion.fr screenshot

About Website

Visit sem-diffusion.fr now to see the best up-to-date SEM Diffusion content for France and also check out these interesting facts you probably never knew about sem-diffusion.fr

Matériel de stockage, d'emballage, de manutention, d'équipement général et d'entretien d'usine. Notre catalogue est gratuit et disponible sur simple demande. Il est exclusivement réservé aux professio...

Visit sem-diffusion.fr

Key Findings

We analyzed Sem-diffusion.fr page load time and found that the first response time was 344 ms and then it took 1.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

sem-diffusion.fr performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.9 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.1 s

100/100

25%

SI (Speed Index)

Value1.2 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value0.9 s

100/100

10%

Network Requests Diagram

sem-diffusion.fr

344 ms

sem.css

81 ms

script.js

155 ms

header_site_sem-version_3.jpg

232 ms

letter.svg

79 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that all of those requests were addressed to Sem-diffusion.fr and no external sources were called. The less responsive or slowest element that took the longest time to load (463 ms) belongs to the original domain Sem-diffusion.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 46.4 kB (13%)

Content Size

351.4 kB

After Optimization

305.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sem-diffusion.fr main page is 351.4 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. Images take 312.5 kB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 32.3 kB

  • Original 35.9 kB
  • After minification 20.2 kB
  • After compression 3.6 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 15.7 kB, which is 44% 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 32.3 kB or 90% of the original size.

Image Optimization

-4%

Potential reduce by 13.6 kB

  • Original 312.5 kB
  • After minification 298.8 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. SEM Diffusion images are well optimized though.

JavaScript Optimization

-39%

Potential reduce by 193 B

  • Original 491 B
  • After minification 479 B
  • After compression 298 B

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 193 B or 39% of the original size.

CSS Optimization

-12%

Potential reduce by 303 B

  • Original 2.5 kB
  • After minification 2.5 kB
  • After compression 2.2 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. Sem-diffusion.fr needs all CSS files to be minified and compressed as it can save up to 303 B or 12% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

26

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SEM Diffusion. According to our analytics all requests are already optimized.

Network Requests Diagram

sem-diffusion.fr

sem-diffusion.fr

344 ms

sem.css

sem.css

81 ms

script.js

script.js

155 ms

header_site_sem-version_3.jpg

header_site_sem-version_3.jpg

232 ms

letter.svg

letter.svg

79 ms

bac-a-bec-plastique--BK03B.jpg

bac-a-bec-plastique--BK03B.jpg

157 ms

symboles-zoom.png

symboles-zoom.png

156 ms

symboles-pdf.png

symboles-pdf.png

159 ms

bac-a-bec-plastique-Eurobacs.jpg

bac-a-bec-plastique-Eurobacs.jpg

159 ms

bloc-tiroir-transparent-visibilite-totale.jpg

bloc-tiroir-transparent-visibilite-totale.jpg

159 ms

casier-metal-tiroirs-plastiques--scr60w.jpg

casier-metal-tiroirs-plastiques--scr60w.jpg

234 ms

valise-aluminium-avec-mousse-de-calage-stc900p.jpg

valise-aluminium-avec-mousse-de-calage-stc900p.jpg

233 ms

bac-norme-europe-translucide--BET6422.jpg

bac-norme-europe-translucide--BET6422.jpg

310 ms

kit-rayonnage-eco-5-niveaux.jpg

kit-rayonnage-eco-5-niveaux.jpg

239 ms

rayonnage-tubulaire-standard.jpg

rayonnage-tubulaire-standard.jpg

315 ms

palette-de-retention-150-litres--par02.jpg

palette-de-retention-150-litres--par02.jpg

308 ms

chariot-a-dossier-650-kg.jpg

chariot-a-dossier-650-kg.jpg

311 ms

chariot-desserte-norme-europe-rouge.jpg

chariot-desserte-norme-europe-rouge.jpg

311 ms

poste-de-travail-modulaire.jpg

poste-de-travail-modulaire.jpg

316 ms

caisse-carton-simple-cannelure--schema.jpg

caisse-carton-simple-cannelure--schema.jpg

385 ms

caisse-carton-double-cannelure--schema.jpg

caisse-carton-double-cannelure--schema.jpg

386 ms

caisse-carton-pour-produits-longs-ouverture-extremite.jpg

caisse-carton-pour-produits-longs-ouverture-extremite.jpg

387 ms

boite-postale-envoi-colis-carton-kraft-brun.jpg

boite-postale-envoi-colis-carton-kraft-brun.jpg

388 ms

tubes-carton-ronds-avec-embouts-plastiques.jpg

tubes-carton-ronds-avec-embouts-plastiques.jpg

395 ms

film-a-bulles-air-de-protection-petites-bulles-et-grosses-bulles.jpg

film-a-bulles-air-de-protection-petites-bulles-et-grosses-bulles.jpg

394 ms

sachets-plastiques-transparents-polyethylene-50-et-100-microns.jpg

sachets-plastiques-transparents-polyethylene-50-et-100-microns.jpg

461 ms

feuillard-de-cerclage-manuel-et-machine.jpg

feuillard-de-cerclage-manuel-et-machine.jpg

463 ms

Accessibility Review

sem-diffusion.fr accessibility score

79

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

sem-diffusion.fr best practices score

75

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

SEO Factors

sem-diffusion.fr SEO score

77

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sem-diffusion.fr can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Sem-diffusion.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

sem-diffusion.fr

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