What powers rockschool.bg?
Last seen Jun 2026 · 24 technologies across 13 categories
Analytics
Cloudflare Browser Insights
since Jun 2021
Google Analytics
since Mar 2019
Authentication
Facebook Login
since Jan 2023
CDN
cdnjs
since Nov 2021
Cloudflare
since Mar 2019
jQuery CDN
since Feb 2022
jsDelivr
since Aug 2020
Unpkg
since Nov 2022
Google Workspace
since Aug 2022
JavaScript frameworks
React
since Dec 2022
JavaScript libraries
Live chat
Zendesk Chat
since Mar 2019
Load balancers
Amazon ALB
since Aug 2021
Marketing automation
MailChimp
since Aug 2022
Miscellaneous
HTTP/3
since Sep 2022
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since Aug 2021
Programming languages
PHP
since Aug 2021
UI frameworks
Semantic UI
since Aug 2020
Audience
- 79% phone
- 21% desktop
Bulgaria
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.20 / 10 · ranked #3,096,787 of all domains
14 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Bulgarian
- CDN: Cloudflare
- Weight: 14.5 MB · 168 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| varna.rockschool.bg | 21 |
| rockschool.bg | 14 |
| book.rockschool.bg | 13 |
| student.rockschool.bg | 13 |
Full technology history →
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Recent changes
- dropped Cloudflare Rocket Loader Nov 2025