What powers hdl.org?
Last seen Sep 2026 · 39 technologies across 22 categories
Accessibility
Analytics
CDN
CMS
Databases
Font scripts
Hosting
JavaScript frameworks
JavaScript libraries
Maps
Miscellaneous
PaaS
Page builders
Performance
Programming languages
RUM
Security
UI frameworks
Web frameworks
Web servers
Webmail
WordPress themes
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Search and AI assistants
- PetalBot Blocked
The other 32 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
1 of 33 AI crawlers blocked
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.74 / 10 · ranked #4,687,591 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.2 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 4.1 MB · 47 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (52.32.196.230)
- DNS: GoDaddy DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 16,064,197, 3 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.hdl.org | 23 |
| hdl.org | 22 |
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Jan 2026