What powers sigmaprofi.com?
Last seen Oct 2026 · 9 technologies across 8 categories
Analytics
Google Analytics
since Sep 2025
Yandex.Metrika
since Jul 2026
CDN
Cloudflare
since Sep 2025
JavaScript libraries
Live chat
WhatsApp Business Chat
since Sep 2025
Miscellaneous
Open Graph
since Sep 2025
Security
HSTS
since Sep 2026
Tag managers
Google Tag Manager
since Sep 2025
Web servers
Nginx
since Sep 2026
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 *: Allowed (was Restricted)
AI Crawlers
No AI crawlers blocked
Open Page Rank
0.12 / 10 · ranked #84,685,913 of all domains
0 referring domains · OpenPageRank
Page
- Language: English
- CDN: Cloudflare
- Weight: 8.5 MB · 13 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.26.10.183, IPv6)
- DNS: Cloudflare DNS
- Email: nicmail.ru
- Email security: SPF, no DMARC record
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 100,289,956
- Verified with: GlobalSign
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Cloudflare Oct 2026
- dropped DDoS-Guard Oct 2026
- dropped Tilda Oct 2026
- dropped Uploadcare Oct 2026