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SGSiteGraph

sorbonne-universite.fr

Sorbonne Université| Sorbonne université

Last scanned Aug 1, 2026, 1:00 PM · 10 views

80

Overall score

Great

Summary

This website uses Drupal. SEO is fair (60/100) and accessibility is fair (70/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing meta description.

Top issues to fix

9 issues found · 3 high priority

  • Missing Content-Security-Policy header

    Security

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

  • Missing meta description

    SEO

    Add a ~150-character meta description to control your search-result snippet and lift click-through rate.

  • Over half of images are missing alt text

    Accessibility

    Add alt attributes to images — screen readers depend on them, and they help image SEO.

  • Multiple H1 headings found

    SEO

    Keep a single H1 per page and demote the others to H2/H3.

  • No structured data (JSON-LD) found

    SEO

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

  • Missing OpenGraph tags

    SEO

    Add og:title/og:description/og:image so shared links render a proper preview card.

+3 more issues — details in the sections below.

60

SEO

6 issue(s) found

100

Performance

378 ms

90

Security

HTTPS & header checks

70

Accessibility

1 issue(s) found

Score history

+4 overall since Jul 25, 2026

Overall
80
SEO
60
Security
90
Performance
100
Accessibility
70

Organization

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

Meta tags

Title
Sorbonne Université| Sorbonne université
Description
Canonical
https://www.sorbonne-universite.fr/
Language
fr
Charset
utf-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
og:description
og:type
og:url

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
Let's Encrypt
Subject
sorbonne-universite.fr
Valid from
Jul 25, 2026
Valid to
Oct 23, 2026
Days until expiry
83
SAN domains
lettres.sorbonne-universite.fr, sante.sorbonne-universite.fr, sciences.sorbonne-universite.fr, sorbonne-universite.fr, www.main-bvxea6i-xisee54uq2umo.fr-3.platformsh.site, www.sorbonne-universite.fr

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyMissing
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyMissing
  • Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 23 · H2 2 · H3 11

Links

265 internal · 7 external · 20 broken

Images

30 total · 21 missing alt

Scripts / Styles

5 scripts · 2 stylesheets

JS / CSS size

24.1 KB · 469 B

Page size

243 KB

Robots.txt & Sitemap

robots.txt
Not found
Disallow rules
0
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Missing meta description
  • Multiple H1 headings found
  • No structured data (JSON-LD) found
  • Missing OpenGraph tags
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

  • Over half of images are missing alt text

Scan details

Requested URL
https://sorbonne-universite.fr
Final URL
https://www.sorbonne-universite.fr/
HTTP status
200
HTTP version
HTTP/2
Response time
374 ms
HTML size
243 KB
Redirect chain
https://sorbonne-universite.fr → https://www.sorbonne-universite.fr/

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Frequently asked questions

What technology does sorbonne-universite.fr use?
sorbonne-universite.fr is built with Drupal, jQuery.
Is sorbonne-universite.fr secure (HTTPS)?
Yes. sorbonne-universite.fr uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 23, 2026.
Who hosts sorbonne-universite.fr?
Hosting provider information for sorbonne-universite.fr is not available yet.
What is sorbonne-universite.fr's SEO score?
sorbonne-universite.fr scored 60/100 for SEO in the latest analysis (fair).
What is sorbonne-universite.fr's overall website score?
sorbonne-universite.fr has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.
Has sorbonne-universite.fr's score changed over time?
sorbonne-universite.fr's overall score has improved by 4 points (from 76 to 80) since Jul 25, 2026.