What powers libreriasiglo21.com?
Last seen Jun 2026 · 15 technologies across 12 categories
Analytics
Google Analytics
since Jan 2019
Authentication
Facebook Login
since Sep 2021
CDN
cdnjs
since May 2022
Cloudflare
since May 2022
Font scripts
Hosting panels
Plesk
since Jan 2019
JavaScript libraries
Programming languages
Retargeting
Google Remarketing Tag
since Sep 2021
Tag managers
Google Tag Manager
since Sep 2020
UI frameworks
W3.CSS
since May 2023
Web servers
Nginx
since Jan 2019
Widgets
Audience
- 74% phone
- 26% desktop
Spain
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.17 / 10 · ranked #10,221,317 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Spanish
- Weight: 8.6 MB · 60 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| libreriasiglo21.com | 11 |
| www.libreriasiglo21.com | 11 |
| dev.libreriasiglo21.com | 9 |