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SGSiteGraph

sorbonne-universite.fr

Sorbonne Université| Sorbonne université

Last scanned Jul 25, 2026, 12:25 PM · 2 views

76

Overall score

Fair

Summary

This website uses Drupal hosted on Fastly. SEO is fair (70/100) and accessibility is fair (70/100). Security scores excellent (90/100) and performance good (75/100). Top issue: Missing meta description.

United States
Hosted on Fastly

Top issues to fix

7 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.

  • TLS certificate expires in 30 days

    Security

    Renew soon or enable auto-renewal to avoid a browser-warning outage.

  • 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.

+1 more issue — details in the sections below.

70

SEO

4 issue(s) found

75

Performance

416 ms

90

Security

HTTPS & header checks

70

Accessibility

1 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
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
Fastly
CDN provider
IP address
151.101.66.216
ASN
AS54113 (FASTLY - Fastly, Inc., US)

DNS records

TypeValue
A
  • 151.101.66.216
  • 151.101.2.216
  • 151.101.194.216
  • 151.101.130.216
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
May 26, 2026
Valid to
Aug 24, 2026
Days until expiry
30
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

266 internal · 7 external · 0 broken

Images

30 total · 21 missing alt

Scripts / Styles

5 scripts · 2 stylesheets

JS / CSS size

1.1 MB · 403 KB

Page size

243 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
35
sitemap.xml
Found
URLs in sitemap
-1

SEO issues

  • Missing meta description
  • Multiple H1 headings found
  • No structured data (JSON-LD) found
  • Missing OpenGraph tags

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
412 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 Aug 24, 2026.
Who hosts sorbonne-universite.fr?
sorbonne-universite.fr is hosted on Fastly.
What is sorbonne-universite.fr's SEO score?
sorbonne-universite.fr scored 70/100 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 76/100, combining SEO, performance, security, and accessibility.