What powers hbr-tool.com?
Last seen Jun 2026 · 11 technologies across 9 categories
Advertising
Google AdSense
since Apr 2024
Affiliate programs
Amazon Associates
since Aug 2025
Analytics
Google Analytics
since Apr 2024
Caching
Varnish
since Apr 2024
CDN
Fastly
since Apr 2024
Font scripts
Google Font API
since Feb 2026
JavaScript frameworks
React
since Feb 2025
PaaS
GitHub Pages
since Apr 2024
Security
Audience
- 50% phone
- 50% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Core Web Vitals
| LCP | 1.3 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- CDN: Fastly
- Weight: 2.0 MB · 22 requests
- Structured data: Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Tailwind CSS Mar 2026
- detected Google Font API Feb 2026
- dropped Google Hosted Libraries Sep 2025
- dropped jQuery Sep 2025
- dropped jsDelivr Sep 2025
- detected Amazon Associates Aug 2025
- detected HSTS Aug 2025
- detected React Router Aug 2025