What powers circadianoptics.com?
Last seen Sep 2026 · 31 technologies across 16 categories
Affiliate programs
Analytics
CDN
Ecommerce
Font scripts
Hosting
JavaScript frameworks
JavaScript libraries
Miscellaneous
Payment processors
Performance
Programming languages
Security
UI frameworks
Web frameworks
Widgets
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 Aug 2026.
- robots.txt found
- llms.txt found
- llms-full.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, llms-full.txt
Audience
- 50% desktop
- 50% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.11 / 10 · ranked #3,312,759 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 2.4 MB · 323 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Circadian Optics
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (23.227.38.32)
- DNS: GoDaddy DNS
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- Common Crawl link graph: rank 2,547,932, 2 hosts
DNS records as swept Aug 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| circadianoptics.com | 22 |
| www.circadianoptics.com | 13 |
Full technology history →
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Recent changes
- detected Ahoy Sep 2026
- detected Ruby Sep 2026
- detected Ruby on Rails Sep 2026
- detected American Express Jul 2026
- detected Google Pay Jul 2026
- detected Mastercard Jul 2026
- detected Visa Jul 2026
- detected Alpine.js Jun 2026
- detected Tailwind CSS Jun 2026
- detected Typekit Nov 2025