What powers 
huygens.es?
Last seen Sep 2026 · 11 technologies across 8 categories
Analytics
Google Analytics
since Apr 2020
Authentication
Facebook Login
since Jul 2021
CDN
Cloudflare
since May 2022
jQuery CDN
since Mar 2022
JavaScript libraries
Rich text editors
TinyMCE
since Apr 2020
Security
Cloudflare Bot Management
since May 2022
Video players
Web servers
Apache HTTP Server
since Apr 2020
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 79% desktop
- 21% phone
Spain
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.49 / 10 · ranked #908,206 of all domains
50 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 4.7 MB · 204 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on CDMON sistemes@cdmon.com (185.42.104.28)
- DNS: cdmon.net
- Email: huygens.es
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 2,644,907, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted