What powers utheory.com?
Last seen Sep 2026 · 23 technologies across 14 categories
CDN
CMS
CRM
Issue trackers
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
Payment processors
Programming languages
Security
UI frameworks
Web servers
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 98% desktop
- 2% phone
United States
Philippines
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.69 / 10 · ranked #5,017,798 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.6 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 3.5 MB · 100 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on DigitalOcean (45.55.126.115)
- DNS: DigitalOcean
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC reject
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 8,565,590, 4 hosts
- Verified with: Google, Stripe, Zoho
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| utheory.com | 17 |
| info.utheory.com | 15 |
| blog.utheory.com | 6 |
Full technology history →
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Recent changes
- dropped Google Analytics Sep 2026