What powers castle-engine.io?
Last seen Jun 2026 · 23 technologies across 18 categories
Analytics
Matomo Analytics
since Aug 2020
CDN
Cloudflare
since Apr 2019
Mailgun
since Aug 2022
Font scripts
Bootstrap Icons
since Aug 2024
Issue trackers
UptimeRobot
since Mar 2025
JavaScript frameworks
Ember.js
since Dec 2023
JavaScript libraries
Message boards
Miscellaneous
Operating systems
Debian
since Jan 2026
Performance
Priority Hints
since Jun 2025
Programming languages
Ruby
since Dec 2023
Security
HSTS
since Sep 2022
UI frameworks
Bootstrap
since Apr 2019
Web frameworks
Ruby on Rails
since Dec 2023
Web servers
Nginx
since Feb 2026
Webmail
Proton Mail
since Jan 2023
Widgets
Patreon
since Dec 2023
Audience
- 52% desktop
- 48% phone
India
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.69 / 10 · ranked #331,952 of all domains
90 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 0.7 MB · 32 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| castle-engine.io | 15 |
| forum.castle-engine.io | 14 |
Full technology history →
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Recent changes
- dropped Cloudflare Browser Insights Apr 2026
- dropped HTTP/3 Apr 2026
- detected Apache HTTP Server Jan 2026
- detected Debian Jan 2026
- dropped Jetpack Sep 2025
- dropped MySQL Sep 2025
- dropped PHP Sep 2025
- dropped WordPress Sep 2025