What powers hdrhub.org?
Last seen Sep 2026 · 14 technologies across 11 categories
CDN
Google Cloud CDN
since Oct 2023
CMS
Wix
since Oct 2023
IaaS
Google Cloud
since Oct 2023
Issue trackers
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Priority Hints
since Oct 2023
Security
HSTS
since Oct 2023
UI frameworks
Webmail
Google Workspace
since Oct 2023
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Search and AI assistants
- PetalBot Blocked
The other 32 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- ai.txt not checked
AI Crawlers
1 of 33 AI crawlers blocked
Standards: llms.txt
Open Page Rank
3.12 / 10 · ranked #1,391,738 of all domains
36 referring domains · OpenPageRank
Infrastructure
- Hosted on GD-EMEA-DC-LD5 (213.155.0.230)
- DNS: uk2.net
- Email: 20i
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 7,112,712, 3 hosts
DNS records as swept Sep 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped Envoy Dec 2025