Tools & Wizards About Us
cgb.fr screenshot

Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

cgb.fr

Site numismatique, monnaies, billets de collection, medailles, jetons

Page Load Speed

2.4 sec in total

First Response

195 ms

Resources Loaded

1.7 sec

Page Rendered

452 ms

cgb.fr screenshot

About Website

Welcome to cgb.fr homepage info - get ready to check Cgb best content for France right away, or after learning these important things about cgb.fr

cgb.fr le site numismatique, specialiste des monnaies, medailles, jetons, billets de collection, librairie et fournitures numismatiques

Visit cgb.fr

Key Findings

We analyzed Cgb.fr page load time and found that the first response time was 195 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 45% of websites can load faster.

Performance Metrics

cgb.fr performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

45/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

74/100

25%

SI (Speed Index)

Value3.7 s

86/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.246

50/100

15%

TTI (Time to Interactive)

Value3.3 s

93/100

10%

Network Requests Diagram

cgb.fr

195 ms

www.cgb.fr

416 ms

css

36 ms

global-min.css

459 ms

index-min.css

478 ms

Our browser made a total of 38 requests to load all elements on the main page. We found that 8% of them (3 requests) were addressed to the original Cgb.fr, 89% (34 requests) were made to Static3.cgb.fr and 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (736 ms) relates to the external source Static3.cgb.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 60.9 kB (8%)

Content Size

766.6 kB

After Optimization

705.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cgb.fr main page is 766.6 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 610.4 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 59.5 kB

  • Original 72.4 kB
  • After minification 70.6 kB
  • After compression 12.9 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 59.5 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 1.2 kB

  • Original 610.4 kB
  • After minification 609.2 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. Cgb images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 63 B

  • Original 70.8 kB
  • After minification 70.8 kB
  • After compression 70.7 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.

CSS Optimization

-0%

Potential reduce by 28 B

  • Original 13.0 kB
  • After minification 13.0 kB
  • After compression 12.9 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. Cgb.fr has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 5 (14%)

Requests Now

36

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cgb. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

cgb.fr

cgb.fr

195 ms

www.cgb.fr

www.cgb.fr

416 ms

css

css

36 ms

global-min.css

global-min.css

459 ms

index-min.css

index-min.css

478 ms

jquery.min.js

jquery.min.js

580 ms

global-min.js

global-min.js

592 ms

index-min.js

index-min.js

512 ms

logo_blanc_fr.png

logo_blanc_fr.png

512 ms

blank.jpg

blank.jpg

538 ms

trustpilot-cgb-numismatique.png

trustpilot-cgb-numismatique.png

575 ms

btn_panier.png

btn_panier.png

608 ms

btn_compte.png

btn_compte.png

608 ms

annule.gif

annule.gif

618 ms

ea578.jpg

ea578.jpg

655 ms

ea577.jpg

ea577.jpg

657 ms

em502.jpg

em502.jpg

666 ms

em72.jpg

em72.jpg

681 ms

eb71.jpg

eb71.jpg

682 ms

raz_filtres.png

raz_filtres.png

694 ms

loader2.gif

loader2.gif

736 ms

sprite-gabarit.png

sprite-gabarit.png

253 ms

menu_ombre.png

menu_ombre.png

263 ms

reseauxsociaux.png

reseauxsociaux.png

276 ms

trust-cgb-numismatique-7000.png

trust-cgb-numismatique-7000.png

277 ms

js_slideHome.php

js_slideHome.php

219 ms

titre_mo_gre.jpg

titre_mo_gre.jpg

82 ms

titre_mo_gau.jpg

titre_mo_gau.jpg

86 ms

titre_mo_rom.jpg

titre_mo_rom.jpg

88 ms

titre_mo_pvc.jpg

titre_mo_pvc.jpg

88 ms

titre_mo_byz.jpg

titre_mo_byz.jpg

87 ms

titre_mo_mer.jpg

titre_mo_mer.jpg

87 ms

backOnTop.png

backOnTop.png

160 ms

87_dfr_bandeau_20240418153116995.jpg

87_dfr_bandeau_20240418153116995.jpg

270 ms

35_dfr_bandeau_20240506084658253.jpg

35_dfr_bandeau_20240506084658253.jpg

270 ms

90_dfr_bandeau_20240510102319875.jpg

90_dfr_bandeau_20240510102319875.jpg

270 ms

88_dfr_bandeau_20240502154135687.jpg

88_dfr_bandeau_20240502154135687.jpg

276 ms

9_dfr_bandeau_20240502154235755.jpg

9_dfr_bandeau_20240502154235755.jpg

194 ms

Accessibility Review

cgb.fr accessibility score

93

Accessibility Issues

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-hidden="true"] elements contain focusable descendents

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

Heading elements are not in a sequentially-descending order

Best Practices

cgb.fr best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cgb.fr SEO score

81

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

High

robots.txt is not valid

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

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cgb.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 Cgb.fr main page’s claimed encoding is . 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

cgb.fr

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