What technology does polytechnique.fr use?

polytechnique.fr is built with Drupal.

Is polytechnique.fr secure (HTTPS)?

Yes. polytechnique.fr uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Feb 5, 2027.

Who hosts polytechnique.fr?

Hosting provider information for polytechnique.fr is not available yet.

What is polytechnique.fr's SEO score?

polytechnique.fr scored 90/100 for SEO in the latest analysis (excellent).

What is polytechnique.fr's overall website score?

polytechnique.fr has an overall SiteGraph score of 81/100, combining SEO, performance, security, and accessibility.

polytechnique.fr

École polytechnique, école d'ingénieur

Last scanned Jul 26, 2026, 5:17 AM · 1 view

Overall score

Great

Summary

L'École polytechnique est une école d'ingénieur qui associe recherche, enseignement et innovation au meilleur niveau scientifique et technologique. This website uses Drupal. SEO is excellent (90/100) and accessibility is fair (70/100). Security scores excellent (90/100) and performance fair (70/100). Top issue: No structured data (JSON-LD) found.

L'École polytechnique est une école d'ingénieur qui associe recherche, enseignement et innovation au meilleur niveau scientifique et technologique.

Top issues to fix

4 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.
Over half of images are missing alt text
Accessibility
Add alt attributes to images — screen readers depend on them, and they help image SEO.
Slow estimated load (5.1s)
Performance
Use a CDN, enable caching/compression, and cut render-blocking assets — every extra second costs conversions.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

SEO

1 issue(s) found

Performance

5.07 s

Security

HTTPS & header checks

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.

L'École polytechnique est une école d'ingénieur qui associe recherche, enseignement et innovation au meilleur niveau scientifique et technologique.

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Meta tags

Title: École polytechnique, école d'ingénieur
Description: L'École polytechnique est une école d'ingénieur qui associe recherche, enseignement et innovation au meilleur niveau scientifique et technologique.
Canonical: https://www.polytechnique.edu/
Language: fr
Charset: utf-8
Viewport: width=device-width, initial-scale=1.0
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

Drupal

Hosting & CDN

Hosting provider: —
CDN provider: —
IP address: 129.104.30.29
ASN: —

DNS records

Type	Value
A	129.104.30.29
AAAA	—
MX	mx-b.polytechnique.fr mx-a.polytechnique.fr
TXT	—
NS	—
CAA	—
CNAME	drupal.polytechnique.fr
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: Hellenic Academic and Research Institutions CA
Subject: www.polytechnique.fr
Valid from: Jul 21, 2026
Valid to: Feb 5, 2027
Days until expiry: 194
SAN domains: www.polytechnique.fr, polytechnique.edu, www.polytechnique.edu, drupal.polytechnique.fr, polytechnique.fr

Security headers

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

Compression: none · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 7 · H3 1

Links

81 internal · 35 external · 0 broken

Images

39 total · 25 missing alt

Scripts / Styles

12 scripts · 6 stylesheets

JS / CSS size

353 KB · 686 KB

Page size

238 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 34
sitemap.xml: Found
URLs in sitemap: -1

SEO issues

No structured data (JSON-LD) found

Scan details

Requested URL: https://polytechnique.fr
Final URL: https://www.polytechnique.edu/
HTTP status: 200
HTTP version: HTTP/2
Response time: 5.06 s
HTML size: 238 KB
Redirect chain: https://polytechnique.fr → https://www.polytechnique.edu/

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