bnf.fr
Accueil | BnF – Site institutionnel
Last scanned Jul 29, 2026, 4:00 PM · 13 views
Overall score
Great
Summary
. This website uses Apache. SEO is good (80/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance good (80/100). Top issue: No structured data (JSON-LD) found.
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Top issues to fix
7 issues found · 3 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Slow estimated load (4.4s)
PerformanceUse a CDN, enable caching/compression, and cut render-blocking assets — every extra second costs conversions.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
+1 more issue — details in the sections below.
SEO
3 issue(s) found
Performance
4.45 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-8 overall since Jul 21, 2026
- Overall
- 84
- SEO
- 80
- Security
- 80
- Performance
- 80
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- Accueil | BnF – Site institutionnel
- Description
- .
- Canonical
- https://www.bnf.fr/fr
- Language
- fr
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0, shrink-to-fit=no
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Trust Provider B.V.
- Subject
- *.bnf.fr
- Valid from
- May 15, 2026
- Valid to
- Nov 29, 2026
- Days until expiry
- 123
- SAN domains
- *.bnf.fr, bnf.fr
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 5 · H3 14
Links
167 internal · 16 external · 20 broken
Images
36 total · 0 missing alt
Scripts / Styles
70 scripts · 33 stylesheets
JS / CSS size
2.8 KB · 544 B
Page size
211 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://bnf.fr
- Final URL
- https://www.bnf.fr/fr
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 4.44 s
- HTML size
- 211 KB
- Redirect chain
- https://bnf.fr → https://www.bnf.fr/ → https://www.bnf.fr/fr
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does bnf.fr use?
- bnf.fr is built with Drupal, jQuery, Apache.
- Is bnf.fr secure (HTTPS)?
- Yes. bnf.fr uses TLS 1.3 with a certificate issued by Trust Provider B.V., valid until Nov 29, 2026.
- Who hosts bnf.fr?
- Hosting provider information for bnf.fr is not available yet.
- What is bnf.fr's SEO score?
- bnf.fr scored 80/100 for SEO in the latest analysis (great).
- What is bnf.fr's overall website score?
- bnf.fr has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.
- Has bnf.fr's score changed over time?
- bnf.fr's overall score has declined by 8 points (from 92 to 84) since Jul 21, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card