Tools & Wizards About Us
clc.fr screenshot

Report Summary

  • 25

    Performance

    Renders faster than
    45% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

clc.fr

Séjours linguistiques enfants et adolescents | Séjour linguistique CLC

Page Load Speed

6.3 sec in total

First Response

300 ms

Resources Loaded

5.7 sec

Page Rendered

317 ms

clc.fr screenshot

About Website

Click here to check amazing CLC content for France. Otherwise, check out these important facts you probably never knew about clc.fr

CLC, spécialiste du séjour linguistique depuis plus de 50 ans. Partez en voyage linguistique en Europe au départ de toute la France avec CLC. Plusieurs destinations de séjours linguistiques pour appre...

Visit clc.fr

Key Findings

We analyzed Clc.fr page load time and found that the first response time was 300 ms and then it took 6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

clc.fr performance score

25

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value19.4 s

0/100

25%

SI (Speed Index)

Value12.5 s

3/100

10%

TBT (Total Blocking Time)

Value890 ms

32/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value21.2 s

1/100

10%

Network Requests Diagram

clc.fr

300 ms

www.clc.fr

699 ms

all.min.css

251 ms

css

29 ms

js

74 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 77% of them (36 requests) were addressed to the original Clc.fr, 4% (2 requests) were made to Google-analytics.com and 4% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (2.8 sec) relates to the external source Livechat.linkeo.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 63.8 kB (5%)

Content Size

1.2 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Clc.fr main page is 1.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 36.4 kB

  • Original 46.6 kB
  • After minification 43.4 kB
  • After compression 10.2 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. 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 36.4 kB or 78% of the original size.

Image Optimization

-2%

Potential reduce by 27.2 kB

  • Original 1.1 MB
  • After minification 1.1 MB

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. CLC images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 168 B

  • Original 38.4 kB
  • After minification 38.4 kB
  • After compression 38.2 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

-26%

Potential reduce by 67 B

  • Original 255 B
  • After minification 233 B
  • After compression 188 B

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. Clc.fr needs all CSS files to be minified and compressed as it can save up to 67 B or 26% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (13%)

Requests Now

40

After Optimization

35

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CLC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

clc.fr

clc.fr

300 ms

www.clc.fr

www.clc.fr

699 ms

all.min.css

all.min.css

251 ms

css

css

29 ms

js

js

74 ms

modernizr-2.6.2-respond-1.1.0.min.js

modernizr-2.6.2-respond-1.1.0.min.js

168 ms

all.min.js

all.min.js

401 ms

conversion.js

conversion.js

26 ms

analytics.js

analytics.js

33 ms

logo-clc.png

logo-clc.png

165 ms

logo-go-and-Live.png

logo-go-and-Live.png

165 ms

bg_menu.png

bg_menu.png

168 ms

sejours-linguistiques-jeunes.png

sejours-linguistiques-jeunes.png

326 ms

sejours-linguistiques-etudiants.png

sejours-linguistiques-etudiants.png

352 ms

formation-pro-dif.png

formation-pro-dif.png

450 ms

clc-rembourse-deux-fois-la-difference.png

clc-rembourse-deux-fois-la-difference.png

406 ms

bonnes-resolutions.jpg

bonnes-resolutions.jpg

489 ms

promos-clc.png

promos-clc.png

331 ms

voyages-scolaires.png

voyages-scolaires.png

592 ms

glob-explorer.png

glob-explorer.png

770 ms

liste-cadeau-voyages-clc.png

liste-cadeau-voyages-clc.png

616 ms

mon-compte-go-and-live.png

mon-compte-go-and-live.png

883 ms

clc-cap-voyages.png

clc-cap-voyages.png

887 ms

blog-go-and-live.png

blog-go-and-live.png

753 ms

temoignage-1.png

temoignage-1.png

966 ms

temoignage.png

temoignage.png

939 ms

test-anglais-gratuit.png

test-anglais-gratuit.png

1076 ms

en-savoir-plus-sur-clc.png

en-savoir-plus-sur-clc.png

1206 ms

logo-nf.png

logo-nf.png

1046 ms

logo-unosel.png

logo-unosel.png

1065 ms

bg_MoteurR.png

bg_MoteurR.png

1080 ms

bg_MoteurL.png

bg_MoteurL.png

1122 ms

bg_blocSEO.png

bg_blocSEO.png

1189 ms

bg_itemPromo.png

bg_itemPromo.png

1219 ms

torquay-redim.jpg

torquay-redim.jpg

1296 ms

londres-redim.jpg

londres-redim.jpg

1269 ms

Cambridge-CLC.jpg

Cambridge-CLC.jpg

1385 ms

sprite-reseauxSociaux.png

sprite-reseauxSociaux.png

1351 ms

7LzkKwczNE2R2ZQSt90y1S3USBnSvpkopQaUR-2r7iU.ttf

7LzkKwczNE2R2ZQSt90y1S3USBnSvpkopQaUR-2r7iU.ttf

36 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

1447 ms

86 ms

collect

collect

20 ms

collect

collect

69 ms

52 ms

ga-audiences

ga-audiences

22 ms

print.css

print.css

84 ms

livehelpnow.aspx

livehelpnow.aspx

2831 ms

Accessibility Review

clc.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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Best Practices

clc.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

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

clc.fr SEO score

93

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

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 Clc.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 Clc.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

clc.fr

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