What powers 
activetheory.net?
Last seen Sep 2026 · 12 technologies across 10 categories
Analytics
Databases
IaaS
JavaScript Graphics
Miscellaneous
Performance
Security
Tag managers
Web servers
Webmail
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 checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 72% desktop
- 28% phone
India
Germany
Japan
Canada
Brazil
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.90 / 10 · ranked #256,787 of all domains
169 referring domains · OpenPageRank
Search traffic
640 est. monthly organic visits (US)
74 keywords in Google's top 30
Core Web Vitals
| LCP | 2 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 0.7 MB · 19 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Registered Apr 2012 (14 years) via Domain.com - Network Solutions, LLC, renews Apr 2027
- Hosted on Fastly (199.36.158.100)
- DNS: Google Cloud DNS
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Google Trust Services, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 530,782, 6 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.activetheory.net | 9 |
| activetheory.net | 5 |
| v6.activetheory.net | 5 |