What powers 
sierramaestra.cu?
Last seen Oct 2020 · 14 technologies across 11 categories
Analytics
Matomo Analytics
since Oct 2017
CMS
Joomla
since Jan 2016
Ecommerce
Cart Functionality
since Aug 2020
JavaScript frameworks
JavaScript libraries
Operating systems
Debian
since Dec 2016
Programming languages
PHP
since Jun 2018
UI frameworks
Bootstrap
since Jan 2017
Video players
YouTube
since Jan 2016
Web servers
Widgets
AI Crawlers
robots.txt could not be read at the last check (Oct 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 100% phone
Cuba
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.02 / 10 · ranked #554,816 of all domains
92 referring domains · OpenPageRank
Core Web Vitals
| LCP | 13.3 s |
| INP | 125 ms |
| CLS | 0.05 |
| TTFB | 9200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on Empresa de Telecomunicaciones de Cuba, S.A. (190.92.127.46)
- DNS: cip.cu
- Email: cip.cu
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 708,969, 4 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted