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rainbowconcept.fr screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

rainbowconcept.fr

Rainbow concept - Photos aériennes, Prises de vues stéréoscoiques, Orthophotoplan, Modèle numérique de terrain, Topographie - 59700 MARCQ EN BAROEUL

Page Load Speed

892 ms in total

First Response

347 ms

Resources Loaded

474 ms

Page Rendered

71 ms

rainbowconcept.fr screenshot

About Website

Welcome to rainbowconcept.fr homepage info - get ready to check Rainbow Concept best content right away, or after learning these important things about rainbowconcept.fr

Rainbow est une société spécialisée dans le traitement de l’image aérienne et l’ingénierie photogrammétrique : orthophotoplan, plan topographique, modèle numérique de terrain ou encore modélisation en...

Visit rainbowconcept.fr

Key Findings

We analyzed Rainbowconcept.fr page load time and found that the first response time was 347 ms and then it took 545 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 10% of websites can load faster.

Performance Metrics

rainbowconcept.fr performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.8 s

100/100

25%

SI (Speed Index)

Value0.9 s

100/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.3 s

100/100

10%

Network Requests Diagram

rainbowconcept.fr

347 ms

backtothehtml.js

81 ms

ga.js

7 ms

__utm.gif

12 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that 50% of them (2 requests) were addressed to the original Rainbowconcept.fr, 50% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (347 ms) belongs to the original domain Rainbowconcept.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.1 kB (13%)

Content Size

23.3 kB

After Optimization

20.1 kB

  • HTML
  • JavaScript

In fact, the total size of Rainbowconcept.fr main page is 23.3 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. Only 5% of websites need less resources to load. Javascripts take 19.5 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 2.4 kB

  • Original 3.8 kB
  • After minification 3.8 kB
  • After compression 1.4 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 2.4 kB or 63% of the original size.

JavaScript Optimization

-4%

Potential reduce by 743 B

  • Original 19.5 kB
  • After minification 19.5 kB
  • After compression 18.7 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.

Requests Breakdown

We found no issues to fix!

Requests Now

3

After Optimization

3

  • Images
  • JavaScript

The browser has sent 3 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rainbow Concept. According to our analytics all requests are already optimized.

Network Requests Diagram

rainbowconcept.fr

rainbowconcept.fr

347 ms

backtothehtml.js

backtothehtml.js

81 ms

ga.js

ga.js

7 ms

__utm.gif

__utm.gif

12 ms

Accessibility Review

rainbowconcept.fr accessibility score

71

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

<object> elements do not have alternate text

Best Practices

rainbowconcept.fr 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

SEO Factors

rainbowconcept.fr SEO score

64

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

Document uses plugins

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Rainbowconcept.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 Rainbowconcept.fr main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

rainbowconcept.fr

Open Graph description is not detected on the main page of Rainbow Concept. 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: