What powers 121su.org?
Last seen Jun 2026 · 26 technologies across 13 categories
CMS
Databases
MySQL
since Jun 2021
Documentation
BetterDocs
since Jun 2024
Font scripts
JavaScript libraries
Lightbox
since Jun 2021
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Page builders
WordPress Block Editor
since Jul 2024
Performance
Priority Hints
since Aug 2023
Programming languages
PHP
since Jun 2021
Video players
YouTube
since Jun 2021
Widgets
AddToAny
since Jun 2021
WordPress plugins
BetterDocs plugin
since Jun 2024
The Events Calendar
since Mar 2022
WordPress themes
WEN Themes Education Hub
since Mar 2022
Audience
- 78% phone
- 22% desktop
Bulgaria
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.08 / 10 · ranked #11,398,858 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Bulgarian (Bulgaria)
- Weight: 5.6 MB · 98 requests
- WordPress theme: education-hub-pro · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| 121su.org | 26 |
| www.121su.org | 25 |
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Dec 2025