What powers jerzygrzegorzewski.net?
Last seen Feb 2021 · 6 technologies across 6 categories
Analytics
CMS
Databases
JavaScript libraries
Programming languages
Web servers
AI Crawlers
Blocks 8 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
The other 25 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
Content Signals:
search=yes ai-train=no declared in robots.txt
AI Crawlers
8 of 33 AI crawlers blocked
Standards: Content Signals
Open Page Rank
0.69 / 10 · ranked #19,707,244 of all domains
5 referring domains · OpenPageRank
Infrastructure
- Hosted on Cloudflare (104.21.84.195, IPv6)
- DNS: Cloudflare DNS
- Email: no MX record returned
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 29,748,175
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted