What powers 
tgstz.bg?
Last seen Aug 2026 · 19 technologies across 14 categories
Advertising
Analytics
Blogs
CDN
Editors
Font scripts
JavaScript libraries
Miscellaneous
Operating systems
Programming languages
Web server extensions
Web servers
Webmail
Widgets
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Bulgaria
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.56 / 10 · ranked #391,876 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| CLS | 0 |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Bulgarian
- CDN: Google
- Weight: 3.7 MB · 70 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Knyaz Simeon Tarnovski High School of Economics
- Country: Bulgaria
From Wikidata (CC0).
Infrastructure
- Hosted on Google (216.239.34.21)
- DNS: bgdns.net
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record
- SSL: Google Trust Services, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 37,014,675
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.tgstz.bg | 13 |
| tgstz.bg | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped YouTube Jun 2026
- detected YouTube Apr 2026
- dropped SoundCloud Dec 2025
- detected Microsoft 365 Nov 2025
- detected SoundCloud Oct 2025
- dropped YouTube Oct 2025