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positron-libre.com screenshot

Report Summary

  • 95

    Performance

    Renders faster than
    93% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

positron-libre.com

Apprendre l'électronique et construire des robots théorie et pratique

Page Load Speed

2.4 sec in total

First Response

303 ms

Resources Loaded

1.1 sec

Page Rendered

963 ms

positron-libre.com screenshot

About Website

Click here to check amazing Positron Libre content for Morocco. Otherwise, check out these important facts you probably never knew about positron-libre.com

Positron-libre propose des schémas, plans, cours, tutoriels et formations pour réaliser des montages, des circuits, des constructions et programmes robotiques ainsi que des guides pour débuter avec ar...

Visit positron-libre.com

Key Findings

We analyzed Positron-libre.com page load time and found that the first response time was 303 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

positron-libre.com performance score

95

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.7 s

92/100

10%

LCP (Largest Contentful Paint)

Value1.8 s

98/100

25%

SI (Speed Index)

Value2.3 s

98/100

10%

TBT (Total Blocking Time)

Value230 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.0 s

99/100

10%

Network Requests Diagram

positron-libre.com

303 ms

www.positron-libre.com

382 ms

pl11-5.png

421 ms

sprite2015.png

426 ms

exemple-led-orange.jpg

152 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that 56% of them (5 requests) were addressed to the original Positron-libre.com, 33% (3 requests) were made to Static.positron-libre.com and 11% (1 request) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (459 ms) belongs to the original domain Positron-libre.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 51.6 kB (29%)

Content Size

178.3 kB

After Optimization

126.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Positron-libre.com main page is 178.3 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. 15% of websites need less resources to load. Images take 100.5 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 36.2 kB

  • Original 51.5 kB
  • After minification 51.5 kB
  • After compression 15.3 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 36.2 kB or 70% of the original size.

Image Optimization

-0%

Potential reduce by 53 B

  • Original 100.5 kB
  • After minification 100.5 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. Positron Libre images are well optimized though.

JavaScript Optimization

-58%

Potential reduce by 15.4 kB

  • Original 26.3 kB
  • After minification 26.3 kB
  • After compression 10.9 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 15.4 kB or 58% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

7

After Optimization

7

  • Images
  • JavaScript

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Positron Libre. According to our analytics all requests are already optimized.

Network Requests Diagram

positron-libre.com

positron-libre.com

303 ms

www.positron-libre.com

www.positron-libre.com

382 ms

pl11-5.png

pl11-5.png

421 ms

sprite2015.png

sprite2015.png

426 ms

exemple-led-orange.jpg

exemple-led-orange.jpg

152 ms

commande-entrainement-differentiel.png

commande-entrainement-differentiel.png

459 ms

robot-photophile.jpg

robot-photophile.jpg

358 ms

analytics.js

analytics.js

368 ms

collect

collect

22 ms

Accessibility Review

positron-libre.com accessibility score

95

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.

Best Practices

positron-libre.com 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

SEO Factors

positron-libre.com SEO score

100

Search Engine Optimization Advices

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 Positron-libre.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 Positron-libre.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

positron-libre.com

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