What powers rac.es?
Last seen Sep 2026 · 27 technologies across 16 categories
Advertising
Analytics
CDN
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Operating systems
PaaS
Programming languages
SEO
UI frameworks
Web servers
Webmail
Widgets
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| academia espanola | #36 | 70 |
| ltimo teorema de fermat | #3 | 14 |
| carlos lpez-otn | #4 | 14 |
| ciencias | #25 | 5 |
| geometria no euclidiana | #4 | 3 |
| hidrgeno como combustible | #7 | 3 |
| xavier ros oton | #5 | 2 |
| academia real | #30 | 2 |
| enzimas para que sirven | #10 | 2 |
| carlos lopez otin | #5 | 1 |
| carlos lopez otin | #5 | 1 |
| catalizadores significado | #37 | 1 |
| conjetura de riemann | #14 | 1 |
| que es un extraterrestre | #50 | 1 |
| rafael yuste | #51 | 1 |
| que es la materia | #35 | 1 |
| movimiento browniano | #8 | 1 |
| numeros reales | #63 | 1 |
| jordan product | #25 | 1 |
| existen extraterrestres | #10 | 1 |
| extraterrestres existen | #11 | 1 |
| berrien moore iii | #46 | 0 |
| xavier ros oton | #45 | 0 |
| biological materials definition | #35 | 0 |
| biografa de galileo galilei | #45 | 0 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 58% phone
- 42% desktop
Spain
Mexico
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.83 / 10 · ranked #125,407 of all domains
237 referring domains · OpenPageRank
Search traffic
130 est. monthly organic visits (US)
159 keywords in Google's top 30
Core Web Vitals
| LCP | 1.4 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 19.0 MB · 46 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Royal Academy of Exact, Physical and Natural Sciences
- Founded: 1847
- Country: Spain
From Wikidata (CC0).
Infrastructure
- Hosted on OVHcloud (37.59.78.161)
- DNS: OVHcloud
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 545,708, 4 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| arac.rac.es | 19 |
| rac.es | 14 |
| www.rac.es | 8 |