What powers captionhub.com?
Last seen Jun 2026 · 60 technologies across 23 categories
Accessibility
UserWay
since Jan 2026
Advertising
Microsoft Advertising
since Jan 2026
Analytics
Google Analytics
since Mar 2021
HubSpot Analytics
since Mar 2026
Linkedin Insight Tag
since Aug 2022
Profitwell
since Jan 2026
Umami
since May 2023
Zoominfo
since Oct 2022
CDN
Cloudflare
since Oct 2022
Cloudinary
since May 2023
CMS
Prismic
since Nov 2021
Cookie compliance
Termly
since May 2021
Development
Turbopack
since Mar 2026
Font scripts
Font Awesome
since Jan 2026
Google Font API
since Jan 2026
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
HTTP/3
since May 2023
Open Graph
since Sep 2022
Prism
since May 2023
PWA
since Aug 2022
Webpack
since Mar 2021
PaaS
Performance
Priority Hints
since Mar 2026
Programming languages
Rich text editors
Monaco Editor
since Jan 2026
RUM
Security
Tag managers
Google Tag Manager
since Apr 2021
UI frameworks
Tailwind CSS
since Apr 2022
User onboarding
Appcues
since Jan 2026
Web frameworks
Ruby on Rails
since Aug 2022
Audience
- 87% desktop
- 13% phone
Argentina
Vietnam
South Korea
Egypt
United States
Brazil
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.54 / 10 · ranked #847,447 of all domains
32 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.7 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 1.4 MB · 41 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| api-docs.captionhub.com | 31 |
| www.captionhub.com | 25 |
| login.captionhub.com | 23 |
| support.captionhub.com | 19 |
| ted.captionhub.com | 13 |
| app.captionhub.com | 11 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Preact Apr 2026
- detected HubSpot Analytics Mar 2026
- detected Next.js Mar 2026
- detected Next.js App Router Mar 2026
- detected Priority Hints Mar 2026
- detected Turbopack Mar 2026
- detected HubSpot Dec 2025