What powers 
fidelcastro.cu?
Last seen Nov 2020 · 6 technologies across 5 categories
Analytics
Google Analytics
since Jun 2018
CMS
Drupal
since May 2017
JavaScript libraries
Programming languages
PHP
since Jun 2018
Reverse proxies
Nginx
since May 2017
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 Nov 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 68% phone
- 32% desktop
Spain
Cuba
United States
Mexico
Venezuela
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.28 / 10 · ranked #215,989 of all domains
192 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on AS27725 - Empresa de Telecomunicaciones de Cuba, S.A. (190.92.127.80)
- DNS: fidelcastro.cu
- Email: fidelcastro.cu
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 4096, expires Oct 2026
- Common Crawl link graph: rank 546,833, 3 hosts
DNS records as swept Nov 2026, certificate as seen Oct 2026. How the web is hosted