What powers castlabs.com?
Last seen Jun 2026 · 38 technologies across 25 categories
Advertising
DoubleClick Campaign Manager (DCM)
since Aug 2022
Google AdSense
since Aug 2022
Analytics
Matomo Analytics
since Apr 2022
Caching
Varnish
since Nov 2025
CDN
CMS
WordPress
since Feb 2019
Databases
MySQL
since Feb 2019
Amazon SES
since Aug 2022
Font scripts
Font Awesome
since Nov 2025
Google Font API
since Nov 2025
Issue trackers
Atlassian Statuspage
since Jan 2023
JavaScript frameworks
JavaScript libraries
Load balancers
Amazon ELB
since Feb 2026
Marketing automation
HubSpot
since Jan 2023
Miscellaneous
Open Graph
since Sep 2022
Prism
since Aug 2022
PWA
since Sep 2025
RSS
since Dec 2022
Webpack
since Aug 2022
PaaS
Amazon Web Services
since Aug 2022
Page builders
WordPress Block Editor
since Sep 2025
Performance
Priority Hints
since Nov 2025
Turbo
since Nov 2025
Programming languages
Recruitment & staffing
Teamtailor
since Nov 2025
Security
HSTS
since Sep 2022
SEO
UI frameworks
Animate.css
since Nov 2025
Tailwind CSS
since Jan 2026
Web frameworks
Ruby on Rails
since Nov 2025
Web servers
Nginx
since Feb 2019
Webmail
Google Workspace
since Aug 2022
Audience
- 74% desktop
- 26% phone
Germany
Brazil
Vietnam
United States
India
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.94 / 10 · ranked #252,519 of all domains
94 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- CDN: Google
- Weight: 1.1 MB · 24 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| jobs.castlabs.com | 20 |
| castlabs.com | 16 |
| demo.castlabs.com | 14 |
| account.castlabs.com | 9 |
| login.castlabs.com | 7 |
Full technology history →
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Recent changes
- dropped Bootstrap Mar 2026
- dropped SiteGround Mar 2026
- detected Tailwind CSS Jan 2026
- dropped Contact Form 7 Oct 2025
- dropped jQuery Oct 2025
- dropped jQuery Migrate Oct 2025
- dropped RSS Oct 2025
- detected PWA Sep 2025
- detected Swiper Sep 2025
- detected WordPress Block Editor Sep 2025