What powers strefa.bg?
Last seen Sep 2026 · 13 technologies across 10 categories
Analytics
Facebook Pixel
since Feb 2026
Google Analytics
since Apr 2024
JavaScript libraries
Load balancers
Miscellaneous
Open Graph
since Apr 2024
Operating systems
Windows Server
since Apr 2024
Performance
Priority Hints
since Apr 2024
Security
HSTS
since Apr 2024
Tag managers
Google Tag Manager
since Apr 2024
Web frameworks
Microsoft ASP.NET
since Apr 2024
Web servers
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 76% phone
- 24% desktop
Bulgaria
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.43 / 10 · ranked #2,621,998 of all domains
17 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on VSHOSTING (46.243.48.60)
- DNS: websupport.cz
- Email: Seznam Email
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 80,526,479, 3 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| strefa.bg | 13 |
| www.strefa.bg | 13 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Facebook Pixel Feb 2026