What powers getcastle.com?
Last seen Jun 2026 · 20 technologies across 11 categories
Analytics
CDN
Cloudflare
since May 2024
Issue trackers
Sentry
since Aug 2025
JavaScript frameworks
JavaScript libraries
Marketing automation
HubSpot
since May 2024
Miscellaneous
PaaS
Fly.io
since Aug 2025
Page builders
Webflow
since May 2024
Security
HSTS
since Aug 2024
Webmail
Google Workspace
since May 2024
Audience
- 68% desktop
- 32% phone
United States
India
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.97 / 10 · ranked #13,151,415 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.7 s |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 18.9 MB · 34 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.getcastle.com | 14 |
| app.getcastle.com | 12 |
Full technology history →
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Recent changes
- dropped PWA Feb 2026
- dropped Cloudflare Bot Management Oct 2025