What powers henry4school.fr?
Last seen Aug 2026 · 22 technologies across 14 categories
Advertising
Google AdSense
since Jun 2016
Analytics
Google Analytics
since Jun 2018
CMS
WordPress
since Oct 2020
Databases
MySQL
since Oct 2020
Font scripts
Google Font API
since Oct 2020
JavaScript libraries
Miscellaneous
Open Graph
since Nov 2022
RSS
since Dec 2022
Page builders
WordPress Block Editor
since Nov 2024
Performance
LazySizes
since Nov 2024
Priority Hints
since Nov 2024
Programming languages
PHP
since Oct 2020
Security
HSTS
since Nov 2024
Web servers
WordPress plugins
WordPress themes
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Open Page Rank
2.85 / 10 · ranked #1,881,121 of all domains
25 referring domains · OpenPageRank
Infrastructure
- DNS: o2switch
- Email: henry4school.fr
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 2,318,008, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| henry4school.fr | 19 |
| www.henry4school.fr | 3 |