What powers castleusa.com?
Last seen Jun 2026 · 29 technologies across 16 categories
Analytics
Google Analytics
since Jan 2019
CDN
cdnjs
since Feb 2022
Cloudflare
since May 2022
Google Cloud CDN
since Jun 2026
Google Hosted Libraries
since Feb 2022
jQuery CDN
since Feb 2022
jsDelivr
since Jul 2020
Ecommerce
BigCommerce
since Jan 2019
Cart Functionality
since Aug 2020
Constant Contact
since Feb 2022
Font scripts
Font Awesome
since Jan 2019
Google Font API
since Jan 2019
IaaS
Google Cloud
since Jun 2026
JavaScript libraries
Live chat
Zendesk Chat
since Jan 2019
Load balancers
Amazon ALB
since Feb 2022
Miscellaneous
PaaS
Amazon Web Services
since Feb 2022
Security
Tag managers
Google Tag Manager
since Dec 2020
UI frameworks
Webmail
Microsoft 365
since Aug 2022
Widgets
POWR
since May 2021
Audience
- 49% desktop
- 49% phone
- 3% tablet
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.24 / 10 · ranked #9,398,504 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.7 s |
| INP | 50 ms |
| CLS | 0.2 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare, Google
- Weight: 14.8 MB · 128 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Cloud Jun 2026
- detected Google Cloud CDN Jun 2026
- dropped Google Customer Reviews Oct 2025