Report Summary

  • 39

    Performance

    Renders faster than
    59% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 91

    SEO

    Google-friendlier than
    71% of websites

calculeo.fr

Toutes les aides écologiques: Prime énergie, crédit d'impôt, Anah

Page Load Speed

2.5 sec in total

First Response

267 ms

Resources Loaded

1.9 sec

Page Rendered

310 ms

calculeo.fr screenshot

About Website

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

Calculeo vous accompagne dans vos travaux de rénovation énergétique : choix des Eco-travaux, calcul des subventions (Prime énergie, crédit d'impôt, Anah, aides locales) devis gratuits

Visit calculeo.fr

Key Findings

We analyzed Calculeo.fr page load time and found that the first response time was 267 ms and then it took 2.2 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

calculeo.fr performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value5.1 s

24/100

25%

SI (Speed Index)

Value6.6 s

38/100

10%

TBT (Total Blocking Time)

Value830 ms

35/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value15.1 s

7/100

10%

Network Requests Diagram

calculeo.fr

267 ms

www.calculeo.fr

617 ms

eWATjlXKhhRVhnTuvRVEYgJJ.css

304 ms

FUHUtwBtFlSmAEagWOTuYgJJ.js

630 ms

calculeo.png

443 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 83% of them (19 requests) were addressed to the original Calculeo.fr, 9% (2 requests) were made to Google-analytics.com and 4% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (630 ms) belongs to the original domain Calculeo.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 64.7 kB (17%)

Content Size

380.9 kB

After Optimization

316.1 kB

In fact, the total size of Calculeo.fr main page is 380.9 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. 20% of websites need less resources to load. Images take 305.9 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 33.5 kB

  • Original 44.7 kB
  • After minification 37.8 kB
  • After compression 11.2 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 6.9 kB, which is 16% 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 33.5 kB or 75% of the original size.

Image Optimization

-10%

Potential reduce by 30.8 kB

  • Original 305.9 kB
  • After minification 275.2 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. Calculeo images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 393 B

  • Original 30.2 kB
  • After minification 29.9 kB
  • After compression 29.8 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.

Requests Breakdown

We found no issues to fix!

Requests Now

21

After Optimization

21

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Calculeo. According to our analytics all requests are already optimized.

Accessibility Review

calculeo.fr accessibility score

81

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.

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA IDs are not unique

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

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

calculeo.fr 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

calculeo.fr SEO score

91

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

High

Tap targets are not sized appropriately

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 Calculeo.fr 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 Calculeo.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

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