What powers castle.xyz?
Last seen Jun 2026 · 21 technologies across 13 categories
Analytics
Authentication
Apple Sign-in
since May 2026
Google Sign-in
since May 2026
Documentation
Google Workspace
since Aug 2022
Sendgrid
since May 2026
Issue trackers
Sentry
since May 2026
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
Ubuntu
since Aug 2022
Programming languages
Tag managers
Google Tag Manager
since Sep 2024
Web servers
Wikis
Audience
- 62% phone
- 21% tablet
- 17% desktop
United States
Philippines
Malaysia
Romania
India
United Kingdom
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.91 / 10 · ranked #1,744,813 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 2.4 MB · 68 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| castle.xyz | 12 |
| wiki.castle.xyz | 11 |
| docs.castle.xyz | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Apple Sign-in May 2026
- detected Google Sign-in May 2026
- detected Sendgrid May 2026
- detected Sentry May 2026