What powers heartrhythmopen.com?
Last seen Jun 2026 · 17 technologies across 12 categories
Advertising
Google Publisher Tag
since Feb 2021
CDN
Cloudflare
since Nov 2021
Cookie compliance
OneTrust
since May 2021
Digital asset management
Frontify
since Jan 2025
Font scripts
Google Font API
since Jul 2020
JavaScript libraries
Miscellaneous
Programming languages
Java
since Sep 2021
RUM
Cloudflare Browser Insights
since Nov 2021
New Relic
since Jul 2021
Security
Tag managers
Google Tag Manager
since Jul 2020
Video players
YouTube
since Jan 2021
Audience
- 59% desktop
- 41% phone
United States
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.47 / 10 · ranked #923,227 of all domains
63 referring domains · OpenPageRank
Core Web Vitals
| LCP | 5.5 s |
| INP | 150 ms |
| CLS | 0.1 |
| TTFB | 2900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 1.1 MB · 72 requests
- Structured data: JSON-LD, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Webpack Jun 2026
- dropped Webpack Apr 2026
- dropped Twitter Mar 2026
- dropped Twitter Ads Mar 2026
- detected Google Publisher Tag Oct 2025
- detected Google Tag Manager Oct 2025
- detected reCAPTCHA Oct 2025
- detected Webpack Oct 2025