What powers grugnotes.com?
Last seen Sep 2026 · 15 technologies across 12 categories
Authentication
Apple Sign-in
since Aug 2026
CDN
Cloudflare
since Jun 2025
IaaS
Google Cloud
since Apr 2023
JavaScript frameworks
JavaScript libraries
Htmx
since Apr 2023
Miscellaneous
Performance
Google Cloud Trace
since Apr 2023
Priority Hints
since Jan 2026
Programming languages
Python
since Apr 2023
Security
Cloudflare Turnstile
since Aug 2026
Video players
YouTube
since Apr 2023
Web frameworks
Django
since Apr 2023
Webmail
Google Workspace
since Apr 2023
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Oct 2026.
User-request fetchers
- ChatGPT-User Allowed
- Claude-User Allowed
- Perplexity-User Allowed
The other 30 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
- Oct 2026 chatgpt-user added to robots.txt
- Oct 2026 claude-user added to robots.txt
- Oct 2026 perplexity-user added to robots.txt
AI Crawlers
No AI crawlers blocked
Open Page Rank
0.99 / 10 · ranked #12,740,395 of all domains
6 referring domains · OpenPageRank
Infrastructure
- Hosted on Google (216.239.32.21, IPv6)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: no SPF record, DMARC monitor only
- SSL: Google Trust Services, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 25,307,803, 2 hosts
- Verified with: Google
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
- dropped Cloudflare Browser Insights Aug 2026
- dropped HTTP/3 Aug 2026