What powers castordoc.com?

Last seen Apr 2026 · 52 technologies across 24 categories

A/B Testing

Google Optimize
since Aug 2023

Analytics

Amplitude
since Mar 2023
Facebook Pixel v2.9.298
since Sep 2021
Google Analytics
since Sep 2021
Hotjar
since Sep 2021
HubSpot Analytics
since Aug 2022
Linkedin Insight Tag
since Sep 2021
Matomo Analytics
since Aug 2022
Vercel Speed Insights v1.1.0
since Jan 2025

Appointment scheduling

Calendly
since Oct 2023

CDN

Amazon S3
since Nov 2024
Cloudflare
since Aug 2022
Google Hosted Libraries
since Feb 2022
jsDelivr
since Aug 2022

CMS

HubSpot CMS Hub
since Aug 2022

Customer data platform

Segment v4.15.3
since Dec 2022

Documentation

GitBook
since Dec 2022

Font scripts

Google Font API
since Sep 2021

IaaS

Google Cloud
since Dec 2022

Issue trackers

Sentry
since Dec 2022

JavaScript frameworks

Next.js v14.2.24
since Dec 2021
Next.js App Router
since Aug 2024
React
since Dec 2021

JavaScript libraries

core-js v3.32.2
since Sep 2021
jQuery v3.5.1
since Sep 2021
Polyfill v2
since Dec 2022
Slick
since Aug 2022

Live chat

HubSpot Chat
since Aug 2022
Intercom
since Sep 2021

Marketing automation

HubSpot
since Aug 2022
Marketo v165
since Aug 2025

Miscellaneous

HTTP/3
since Aug 2023
Open Graph
since Sep 2022
Prism
since Dec 2022
Webpack
since Dec 2021

PaaS

Amazon Web Services
since Jun 2023
Vercel
since Dec 2021

Page builders

Notion
since Aug 2022
Super Builder
since Jun 2022
Webflow
since Sep 2021

Performance

Google Cloud Trace
since Dec 2022
Priority Hints
since Aug 2024

Programming languages

Node.js
since Dec 2021

Search engines

Algolia v3.35.1
since Dec 2022

Security

Cloudflare Bot Management
since Aug 2022
HSTS
since Sep 2022
reCAPTCHA
since Aug 2025

Tag managers

Google Tag Manager
since Sep 2021

UI frameworks

Radix UI
since Oct 2023

Webmail

Google Workspace
since Aug 2022

Audience

  • 100% desktop
  • France

Countries where the site has Chrome traffic, strongest markets first.

Open Page Rank

4.50 / 10 · ranked #401,309 of all domains

105 referring domains · OpenPageRank

Core Web Vitals

LCP2.9 s
INP75 ms
CLS0
TTFB400 ms

Real user p75, Chrome UX Report, Jun 2026.

Subdomains

HostTechs
notion.castordoc.com 25
www.castordoc.com 24
try.castordoc.com 22
docs.castordoc.com 15

Full technology history →
Report an incorrect detection

Recent changes

Look up any website for free

No paywall, no lead-gen, no account. Paste a domain and see what powers it.

No account neededHistory since 2018