What powers castle.io?
Last seen Jun 2026 · 41 technologies across 22 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| castle company | #1 | 60 |
| castle company | #1 | 60 |
| castle ai | #1 | 43 |
| castle io | #1 | 39 |
| castle software | #1 | 15 |
| castle software | #1 | 15 |
| caastle | #71 | 9 |
| castle connect | #58 | 4 |
| castle connect | #58 | 4 |
| castle a | #35 | 2 |
| malmo castle | #63 | 2 |
| castle online | #69 | 1 |
| castle company | #57 | 1 |
| castle company | #57 | 1 |
| aws fraud detector | #69 | 1 |
| signal messenger scams | #92 | 1 |
| stop bots | #13 | 1 |
| kastle login | #37 | 1 |
| define castile | #83 | 1 |
| caastle reviews | #22 | 0 |
| castles in sweden | #97 | 0 |
| castles devices | #29 | 0 |
| castles devices | #29 | 0 |
| castle.io game | #30 | 0 |
| castle.io game | #14 | 0 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 72% desktop
- 26% phone
- 1% tablet
United States
India
Canada
Pakistan
Brazil
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.11 / 10 · ranked #32,648 of all domains
129 referring domains · OpenPageRank
Search traffic
260 est. monthly organic visits (US)
94 keywords in Google's top 30
Core Web Vitals
| LCP | 3.8 s |
| INP | 275 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Netlify
- Weight: 1.4 MB · 99 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| blog.castle.io | 29 |
| docs.castle.io | 22 |
| castle.io | 21 |
| dashboard.castle.io | 19 |
Full technology history →
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Recent changes
- dropped Gravatar May 2026
- dropped Stripe Apr 2026
- dropped cdnjs Mar 2026
- dropped Font Awesome Mar 2026
- dropped GSAP Mar 2026
- dropped Heap Mar 2026
- dropped Hugo Mar 2026
- dropped Intercom Mar 2026
- dropped Nette Framework Mar 2026
- dropped PHP Mar 2026
- dropped Swiper Mar 2026
- dropped Wistia Mar 2026
- detected Astro Feb 2026
- detected Tinybird Nov 2025