What powers 
mercereau.info?
Last seen Aug 2026 · 19 technologies across 15 categories
Analytics
Matomo Analytics
since Aug 2020
Caching
W3 Total Cache
since Feb 2020
CMS
Databases
MySQL
since Feb 2019
Ecommerce
Cart Functionality
since Aug 2020
Font scripts
Twitter Emoji (Twemoji)
since Feb 2019
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Page builders
WordPress Block Editor
since Jul 2024
Performance
Priority Hints
since Sep 2023
Programming languages
PHP
since Feb 2019
Security
HSTS
since Nov 2024
Web servers
Apache HTTP Server
since Feb 2019
WordPress plugins
Akismet
since Aug 2022
WordPress themes
Twenty Fifteen
since Feb 2022
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 87% phone
- 13% desktop
France
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.41 / 10 · ranked #990,616 of all domains
41 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on Free (Iliad) (82.65.178.212)
- DNS: Gandi
- Email: retzo.net
- Email security: SPF (soft fail), DMARC reject
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 849,153, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped reCAPTCHA Apr 2026
- dropped Really Simple SSL & Security Feb 2026
- dropped Open Graph Jan 2026
- detected Twitter Emoji (Twemoji) Jan 2026
- dropped Vimeo Jan 2026
- dropped Yoast SEO Jan 2026
- dropped YouTube Jan 2026
- detected Really Simple SSL & Security Dec 2025