What powers rasc.es?
Last seen Oct 2026 · 35 technologies across 17 categories
Accessibility
CDN
CMS
Databases
Font scripts
Hosting
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
Video players
Web servers
Widgets
WordPress plugins
WordPress themes
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 Oct 2026.
- robots.txt found
- llms.txt found
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 59% phone
- 41% desktop
Spain
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.70 / 10 · ranked #2,168,153 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.8 s |
| INP | 50 ms |
| CLS | 0.15 |
| TTFB | 3000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Spanish
- Weight: 14.6 MB · 201 requests
- WordPress theme: astra · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Real Academia Sevillana de Ciencias
- Country: Spain
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Hosted on IONOS (217.160.0.215, IPv6)
- DNS: IONOS
- Email: IONOS
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Sectigo, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 3,408,854, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Oct 2026
- detected Cloudflare Bot Management Oct 2026
- dropped Download Monitor Oct 2026
- detected React Apr 2026
- dropped Cloudflare Feb 2026
- dropped Cloudflare Bot Management Feb 2026
- dropped LazySizes Feb 2026
- dropped NitroPack Feb 2026
- detected Elementor Header & Footer Builder Jan 2026
- dropped Elementor Header & Footer Builder Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025