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Certified Website Score for

cryptoculture.fr

Crypto Culture : votre bibliothèque de référence pour les livres crypto, blockchain et Web3 en français

First audit: November 24, 2025•Last audit: November 24, 2025
Visit website
75
Overall
76Website Quality
55Trust & Security
94PageSpeed
Score trend

Not enough data to display a trend yet.

Latest audit — November 24, 2025

Deep, transparent insight into how this score is built: PageSpeed vitals, on‑page quality signals, and trust & security checks — all broken down into clear, verifiable items you can act on.

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Site Quality

Title
20/20
Crypto Culture - Bibliothèque Crypto & Web3
43 chars (ideal 30–60)
Meta Description
12/15
Crypto Culture : votre bibliothèque de référence pour les livres crypto, blockchain et Web3 en français
103 chars (ideal 120–160)
Favicon
3/3
Favicon preview
https://cryptoculture.fr/favicon.ico
present
Viewport meta
8/8
width=device-width, initial-scale=1.0
correct (width=device-width, initial-scale=1)
robots.txt
6/6
# Robots.txt optimisé pour Cryptoculture.fr # Génération automatique avec règles SEO avancées # Configuration générale User-agent: * Allow: / Disallow: /admin/ Disallow: /private/ Disallow: /*.json$ Disallow: /*?*sort= Disallow: /*?*filter= Disallow: /api/ # Optimisations pour Google User-agent: Googlebot Allow: / Crawl-delay: 1 # Optimisations pour Bing User-agent: Bingbot Allow: / Crawl-delay: 2 # Réseaux sociaux - Accès complet User-agent: Twitterbot Allow: / Crawl-delay: 0 User-agent:...
perfect (User-agent + Allow + Sitemap)
Sitemap
7/7
https://cryptoculture.fr/sitemap.xml
present
llms.txt
0/0
missing
missing (add llms.txt to describe LLM usage policies)
Headings
0/6
missing (add H1, H2, H3, H4, H5, H6 tags to structure content)
Schema.org JSON-LD
0/2
missing (consider Organization, Article, Product, or FAQPage schemas)
Canonical URL
0/8
missing (add <link rel='canonical'> to avoid duplicate content)
HTML lang
4/4
fr
present
Character encoding
4/4
UTF-8
present

Open Graph

Title
3/3
Crypto Culture - Les meilleurs livres crypto et Web3 en français
present
Description
3/3
Découvrez une sélection éditoriale des livres essentiels sur Bitcoin, blockchain, NFT et DeFi. Guides experts pour passionnés de crypto-culture.
present
Image
3/3
Image preview
https://cryptoculture.fr/og-default.jpg
present
URL
0/3
missing (add <meta property='og:url'> with full URL)
Type
1/1
website
present

Twitter Cards

Card Type
1/1
summary_large_image
present
Title
0/1
missing (add <meta name='twitter:title'> for Twitter sharing)
Description
0/1
missing (add <meta name='twitter:description'> for Twitter sharing)
Image
1/1
Image preview
https://cryptoculture.fr/og-default.jpg
present

Security Headers

HTTPS
30/30
HTTPS enabled
HTTP Strict Transport Security
15/15
Strict-Transport-Security: max-age=31536000; includeSubDomains
Content Security Policy
0/15
missing (should be: Content-Security-Policy: default-src 'self')
Frame Protection
0/5
missing (should be: X-Frame-Options: SAMEORIGIN)
MIME Type Protection
5/5
X-Content-Type-Options: nosniff

Domain Trust

Domain Rating
0/25
no domain rating found
Domain Age
5/5
5 years
Registrar
IONOS SE
Country
DE

Infrastructure

Provider
Cloudflare
64

Performance

100

SEO

100

Best Practices

93

Accessibility

Performance
64/100
Largest Contentful Paint
0/25
29.6s
2.5s4.0s
First Contentful Paint
3/10
3.7s
1.8s3.0s
Total Blocking Time
30/30
3ms
200ms400ms
Cumulative Layout Shift
25/25
0.00
0.100.25
Speed Index
6/10
5.0s
3.4s5.4s
SEO
100/100
Page isn’t blocked from indexing
31/31
Document has a `<title>` element
8/8
Document has a meta description
8/8
Page has successful HTTP status code
8/8
Links have descriptive text
8/8
Links are crawlable
8/8
robots.txt is valid
8/8
Image elements have `[alt]` attributes
8/8
Document has a valid `hreflang`
8/8
Document has a valid `rel=canonical`
8/8
Best Practices
100/100
Uses HTTPS
19/19
Avoids deprecated APIs
19/19
Avoids third-party cookies
19/19
Allows users to paste into input fields
12/12
Avoids requesting the geolocation permission on page load
4/4
Avoids requesting the notification permission on page load
4/4
Displays images with correct aspect ratio
4/4
Serves images with appropriate resolution
4/4
Page has the HTML doctype
4/4
Properly defines charset
4/4
No browser errors logged to the console
4/4
No issues in the `Issues` panel in Chrome Devtools
4/4
Accessibility
93/100
`[aria-*]` attributes match their roles
5/5
`[aria-hidden="true"]` is not present on the document `<body>`
5/5
`[role]`s have all required `[aria-*]` attributes
5/5
`[role]` values are valid
5/5
`[aria-*]` attributes have valid values
5/5
`[aria-*]` attributes are valid and not misspelled
5/5
Buttons do not have an accessible name
0/5
Image elements have `[alt]` attributes
5/5
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
5/5
ARIA attributes are used as specified for the element's role
4/4
`[aria-hidden="true"]` elements do not contain focusable descendents
4/4
Elements use only permitted ARIA attributes
4/4
Background and foreground colors have a sufficient contrast ratio
4/4
Document has a `<title>` element
4/4
`<html>` element has a `[lang]` attribute
4/4
`<html>` element has a valid value for its `[lang]` attribute
4/4
Links are distinguishable without relying on color.
4/4
Links have a discernible name
4/4
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
4/4
List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements
4/4
No element has a `[tabindex]` value greater than 0
4/4
Touch targets have sufficient size and spacing.
4/4
Heading elements appear in a sequentially-descending order
2/2
Document does not have a main landmark.
0/2
Deprecated ARIA roles were not used
1/1
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