What powers cuckoo.so?
Last seen Oct 2026 · 22 technologies across 12 categories
Analytics
Authentication
CDN
Font scripts
JavaScript frameworks
Miscellaneous
PaaS
Performance
Programming languages
Security
UI frameworks
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 84% desktop
- 16% phone
Japan
South Korea
Taiwan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.93 / 10 · ranked #1,713,223 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 6.1 s |
| INP | 100 ms |
| CLS | 0.05 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Vercel
- Weight: 1.2 MB · 207 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (216.150.1.1)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 219,458, 6 hosts
- Verified with: Google, Microsoft 365, Rippling
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| app.cuckoo.so | 15 |
| www.cuckoo.so | 13 |
Full technology history →
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Recent changes
- dropped Cloudflare Bot Management Jun 2026
- dropped core-js Jun 2026
- dropped Framer Sites Jun 2026
- dropped Google Font API Jun 2026
- dropped HTTP/3 Jun 2026
- dropped HubSpot Jun 2026
- dropped HubSpot Analytics Jun 2026
- dropped Plausible Jun 2026
- dropped PostHog Jun 2026
- dropped Vimeo Jun 2026