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SGSiteGraph

bnf.fr

Accueil | BnF – Site institutionnel

Last scanned Jul 21, 2026, 11:46 AM · 2 views

92

Overall score

Excellent

Top issues to fix

3 issues found · 2 high priority

  • Missing Strict-Transport-Security header

    Security

    Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

Summary

. This website uses Apache. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (100/100). Top issue: No structured data (JSON-LD) found.

90

SEO

1 issue(s) found

100

Performance

398 ms

80

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

Contact

Email, phone, and address published on this site's own pages.

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

OpenGraph & Twitter Card

OpenGraph

og:title
En ce moment | BnF - Site institutionnel
og:description
og:type
article
og:url
https://www.bnf.fr/fr/node

Twitter Card

twitter:card
twitter:title
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
CDN provider
IP address
ASN

DNS records

TypeValue
A
AAAA
MX
TXT
NS
CAA
CNAME
IPv6 supportNo

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
131
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

168 internal · 16 external · 0 broken

Images

36 total · 0 missing alt

Scripts / Styles

70 scripts · 33 stylesheets

JS / CSS size

370 KB · 6.2 KB

Page size

211 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
22
sitemap.xml
Found
URLs in sitemap
205

SEO issues

  • No structured data (JSON-LD) 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
394 ms
HTML size
211 KB
Redirect chain
https://bnf.fr → https://www.bnf.fr/ → https://www.bnf.fr/fr

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 90/100 for SEO in the latest analysis (excellent).
What is bnf.fr's overall website score?
bnf.fr has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.