What powers sys1.fr?
Last seen Jul 2026 · 27 technologies across 21 categories
Analytics
Google Analytics
since Aug 2022
Caching
Varnish
since Jul 2026
CDN
Section.io
since Jul 2026
CMS
WordPress
since Aug 2022
Databases
MySQL
since Aug 2022
Font scripts
Font Awesome
since Nov 2022
Google Font API
since Aug 2022
JavaScript frameworks
Stimulus
since Jul 2026
JavaScript libraries
Miscellaneous
Open Graph
since Nov 2022
RSS
since Mar 2023
Operating systems
Ubuntu
since May 2025
PaaS
OVHcloud
since Aug 2022
Page builders
WordPress Block Editor
since Jun 2026
Performance
Priority Hints
since Jun 2026
Turbo
since Jul 2026
Programming languages
Security
HSTS
since Jul 2026
SEO
Yoast SEO
since Aug 2022
UI frameworks
Animate.css
since Jul 2026
Tailwind CSS
since Jul 2026
Web frameworks
Ruby on Rails
since Jul 2026
Web servers
WordPress plugins
WordPress themes
Astra
since Jun 2026
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
1.85 / 10 · ranked #4,092,796 of all domains
9 referring domains · OpenPageRank
Infrastructure
- Hosted on INHERENT (5.44.160.7)
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (soft fail), DMARC reject, DNSSEC signed
- SSL: Sectigo, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 8,931,770, 5 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sys1.fr | 16 |
| recrutement.sys1.fr | 14 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Bootstrap Jul 2026
- dropped cdnjs Jul 2026
- dropped Cloudflare Jul 2026
- dropped Cloudflare Bot Management Jul 2026
- dropped Contact Form 7 Jul 2026
- dropped core-js Jul 2026
- dropped Google Hosted Libraries Jul 2026
- dropped Google Tag Manager Jul 2026
- dropped Isotope Jul 2026
- dropped Linkedin Insight Tag Jul 2026
- dropped Modernizr Jul 2026
- dropped Nginx Jul 2026
- dropped Popper Jul 2026
- dropped reCAPTCHA Jul 2026
- dropped Slider Revolution Jul 2026
- dropped Twitter Emoji (Twemoji) Jul 2026
- dropped wpBakery Jul 2026
- dropped YouTube Jul 2026