What powers bibliotecasdoporto.pt?
Last seen Jun 2026 · 14 technologies across 8 categories
CDN
Cloudflare
since Oct 2024
Unpkg
since Dec 2024
Ecommerce
Cart Functionality
since May 2026
Font scripts
Google Font API
since Sep 2024
JavaScript frameworks
JavaScript libraries
Immutable.js
since Sep 2024
LazySizes
since Sep 2024
Miscellaneous
HTTP/3
since Mar 2025
Open Graph
since Sep 2024
Security
HSTS
since Sep 2024
Web servers
Audience
- 75% phone
- 25% desktop
Portugal
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.78 / 10 · ranked #4,467,399 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Portuguese
- Weight: 205.0 MB · 112 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Cart Functionality May 2026