What powers 
libreriaalberti.com?
Last seen Aug 2026 · 11 technologies across 9 categories
Analytics
Google Analytics
since Jan 2019
Ecommerce
Cart Functionality
since Aug 2020
JavaScript libraries
Miscellaneous
Popper
since Apr 2022
Operating systems
Debian
since Jan 2019
Programming languages
Python
since Jan 2019
UI frameworks
Web frameworks
Django
since Jan 2019
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 80% phone
- 18% desktop
- 3% tablet
Spain
Mexico
Argentina
Colombia
Chile
Peru
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.55 / 10 · ranked #843,458 of all domains
101 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 46.7 MB · 82 requests
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on PPI-AS (91.209.108.37)
- DNS: optyma.com
- Email: optyma.com
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 754,688, 2 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted