Tools & Wizards About Us
cgb.fr screenshot

Report Summary

  • 78

    Performance

    Renders faster than
    86% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 81

    SEO

    Google-friendlier than
    43% of websites

cgb.fr

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

Page Load Speed

2.6 sec in total

First Response

229 ms

Resources Loaded

2.1 sec

Page Rendered

340 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 229 ms and then it took 2.4 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

cgb.fr performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

76/100

25%

SI (Speed Index)

Value4.1 s

80/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.274

44/100

15%

TTI (Time to Interactive)

Value3.5 s

92/100

10%

Network Requests Diagram

cgb.fr

229 ms

www.cgb.fr

266 ms

site.css

182 ms

boutique.css

283 ms

colorbox.css

281 ms

Our browser made a total of 72 requests to load all elements on the main page. We found that 4% of them (3 requests) were addressed to the original Cgb.fr, 50% (36 requests) were made to Images.cgb.fr and 29% (21 requests) were made to Thumbs6.cgb.fr. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Thumbs6.cgb.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 110.5 kB (20%)

Content Size

565.3 kB

After Optimization

454.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cgb.fr main page is 565.3 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. 35% of websites need less resources to load. Images take 428.6 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 44.0 kB

  • Original 54.1 kB
  • After minification 50.5 kB
  • After compression 10.1 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 44.0 kB or 81% of the original size.

Image Optimization

-4%

Potential reduce by 19.0 kB

  • Original 428.6 kB
  • After minification 409.5 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. Cgb images are well optimized though.

JavaScript Optimization

-37%

Potential reduce by 16.8 kB

  • Original 45.0 kB
  • After minification 40.8 kB
  • After compression 28.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 16.8 kB or 37% of the original size.

CSS Optimization

-82%

Potential reduce by 30.7 kB

  • Original 37.5 kB
  • After minification 31.3 kB
  • After compression 6.9 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 needs all CSS files to be minified and compressed as it can save up to 30.7 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (24%)

Requests Now

68

After Optimization

52

  • Images
  • JavaScript
  • CSS

The browser has sent 68 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 from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cgb.fr

cgb.fr

229 ms

www.cgb.fr

www.cgb.fr

266 ms

site.css

site.css

182 ms

boutique.css

boutique.css

283 ms

colorbox.css

colorbox.css

281 ms

index_page.css

index_page.css

284 ms

jquery.min.js

jquery.min.js

32 ms

jquery.colorbox-min.js

jquery.colorbox-min.js

305 ms

index_page.js

index_page.js

303 ms

site.js

site.js

306 ms

fond.png

fond.png

246 ms

4060251a.jpg

4060251a.jpg

874 ms

bnav_fr.png

bnav_fr.png

246 ms

logo_blanc.png

logo_blanc.png

248 ms

general_01.png

general_01.png

341 ms

bt_okmini.png

bt_okmini.png

257 ms

em6.jpg

em6.jpg

257 ms

eb6.jpg

eb6.jpg

424 ms

moncompte.png

moncompte.png

422 ms

panier.png

panier.png

429 ms

titre_mo_gre.jpg

titre_mo_gre.jpg

429 ms

fond_boutique.png

fond_boutique.png

520 ms

ea150.jpg

ea150.jpg

514 ms

bn151.jpg

bn151.jpg

596 ms

cmo16.jpg

cmo16.jpg

602 ms

cw08.jpg

cw08.jpg

599 ms

cr45.jpg

cr45.jpg

603 ms

cmo15.jpg

cmo15.jpg

690 ms

cm32.jpg

cm32.jpg

699 ms

cb74.jpg

cb74.jpg

772 ms

visuel_archive_fr.jpg

visuel_archive_fr.jpg

854 ms

visuel_cheque.png

visuel_cheque.png

771 ms

visuel_tresor.png

visuel_tresor.png

857 ms

logo_asso_de.png

logo_asso_de.png

869 ms

trustpilot.png

trustpilot.png

877 ms

facebook.png

facebook.png

945 ms

twitter.png

twitter.png

949 ms

google_plus.png

google_plus.png

1026 ms

4060108a.jpg

4060108a.jpg

921 ms

4060122a.jpg

4060122a.jpg

955 ms

bga_382247.jpg

bga_382247.jpg

1067 ms

4060045a.jpg

4060045a.jpg

1044 ms

bry_378029.jpg

bry_378029.jpg

1090 ms

bgr_382165.jpg

bgr_382165.jpg

961 ms

4060291a.jpg

4060291a.jpg

1016 ms

fmd_382567.jpg

fmd_382567.jpg

1050 ms

4060169a.jpg

4060169a.jpg

1058 ms

4060318a.jpg

4060318a.jpg

1112 ms

bry_382076.jpg

bry_382076.jpg

1142 ms

4060334a.jpg

4060334a.jpg

1144 ms

fwo_379057.jpg

fwo_379057.jpg

1152 ms

4060241a.jpg

4060241a.jpg

1167 ms

fwo_379065.jpg

fwo_379065.jpg

1187 ms

4060008a.jpg

4060008a.jpg

1205 ms

fmd_372478.jpg

fmd_372478.jpg

1240 ms

brm_379169.jpg

brm_379169.jpg

1238 ms

bry_382048.jpg

bry_382048.jpg

1245 ms

bca_382743.jpg

bca_382743.jpg

1264 ms

bandeau_boutique.jpg

bandeau_boutique.jpg

1010 ms

zone_recherche2.png

zone_recherche2.png

1026 ms

drapeaux2.png

drapeaux2.png

1030 ms

fond_menu_top.jpg

fond_menu_top.jpg

1096 ms

fond_menu_data.png

fond_menu_data.png

1101 ms

analytics.js

analytics.js

23 ms

overlay.png

overlay.png

186 ms

f_gauche.png

f_gauche.png

1138 ms

f_droite.png

f_droite.png

1146 ms

play_slider.png

play_slider.png

1168 ms

pause_slider.png

pause_slider.png

1194 ms

collect

collect

11 ms

collect

collect

59 ms

ga-audiences

ga-audiences

41 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

    ISO-8859-1

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 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

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: