What powers libsz.org?
Last seen Jun 2026 · 24 technologies across 16 categories
Analytics
Google Analytics
since Mar 2020
Matomo Analytics
since Aug 2020
CMS
Databases
MySQL
since Apr 2024
Font scripts
Google Font API
since May 2023
JavaScript frameworks
JavaScript libraries
Marketing automation
MailChimp
since Mar 2020
Miscellaneous
Open Graph
since May 2023
RSS
since Dec 2022
Performance
Priority Hints
since Apr 2024
Programming languages
PHP
since Mar 2020
Security
HSTS
since Sep 2022
SEO
UI frameworks
Animate.css
since May 2023
Bootstrap
since Mar 2020
Video players
Web frameworks
Helix Ultimate
since May 2023
Web servers
Apache HTTP Server
since Mar 2020
Audience
- 60% phone
- 40% desktop
Bulgaria
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.44 / 10 · ranked #954,930 of all domains
26 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Bulgarian
- Weight: 0.5 MB · 41 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| ru.libsz.org | 14 |
| www.libsz.org | 13 |
| www.stara-zagora.libsz.org | 13 |
| lit.libsz.org | 8 |