What powers 
calc7.ru?
Last seen Sep 2026 · 13 technologies across 11 categories
Advertising
Analytics
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Programming languages
Security
Web servers
WordPress plugins
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
- 100% phone
Russia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.45 / 10 · ranked #943,890 of all domains
90 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Russian (Russia)
- Weight: 0.9 MB · 53 requests
- WordPress theme: calc (child: calc_child) · all themes
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Beget (45.130.41.249)
- DNS: Beget
- Email: Beget
- Email security: SPF, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 7,658,295
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Contact Form 7 Aug 2026
- dropped Preact Jun 2026
- detected Preact Apr 2026
- dropped Adobe Audience Manager Feb 2026
- dropped Preact Feb 2026
- detected ADFOX Nov 2025
- detected Adobe Audience Manager Nov 2025
- detected Preact Nov 2025