What powers 
correos.cu?
Last seen Mar 2019 · 11 technologies across 8 categories
CMS
WordPress
since Sep 2016
Databases
MySQL
since Jun 2018
Font Scripts
Font Awesome
since Sep 2016
JavaScript Libraries
Lightbox
since Sep 2016
Miscellaneous
Twitter Emoji (Twemoji)
since Jun 2018
Programming Languages
Web Frameworks
Web Servers
Apache HTTP Server
since Sep 2016
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 not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 92% phone
- 8% desktop
Spain
Cuba
United States
Italy
Ecuador
Mexico
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.71 / 10 · ranked #758,619 of all domains
60 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.8 s |
| INP | 225 ms |
| CLS | 0.1 |
| TTFB | 1900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Organisation
- Correos de Cuba
- Founded: 2013
- Country: Cuba
From Wikidata (CC0).
Infrastructure
- Hosted on Empresa de Telecomunicaciones de Cuba, S.A. (200.55.168.203)
- DNS: correos.cu
- Email: correos.cu
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 3,047,126, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted