What powers opuslibros.org?
Last seen Sep 2026 · 4 technologies across 3 categories
Analytics
Google Analytics
since Jan 2016
Statcounter
since Jul 2023
Ecommerce
Cart Functionality
since Aug 2020
Web servers
Apache HTTP Server
since Jan 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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 68% phone
- 26% desktop
- 7% tablet
Spain
Mexico
Argentina
Colombia
Peru
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.22 / 10 · ranked #1,241,021 of all domains
57 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 250 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 0.2 MB · 16 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on BIZLAND-SD (66.96.149.17)
- DNS: yourhostingaccount.com
- Email: opuslibros.org
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, ECDSA P384, wildcard, expires Nov 2026
- Common Crawl link graph: rank 903,307, 4 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| w.opuslibros.org | 4 |
| m.opuslibros.org | 3 |
| opuslibros.org | 3 |
| www.opuslibros.org | 3 |