What powers jar.tools?
Last seen Jun 2026 · 12 technologies across 9 categories
Advertising
EthicalAds
since Apr 2026
Google AdSense
since Aug 2025
Font scripts
Google Font API
since Aug 2025
JavaScript frameworks
React
since Aug 2025
Miscellaneous
Open Graph
since Aug 2025
PWA
since Aug 2025
PaaS
Fly.io
since Aug 2025
Programming languages
Node.js
since Aug 2025
Security
reCAPTCHA
since Aug 2025
SEO
Ahrefs
since Aug 2025
Web frameworks
Express
since Aug 2025
Audience
- 79% desktop
- 21% phone
United Kingdom
Indonesia
Russia
Vietnam
Ukraine
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.02 / 10 · ranked #12,209,807 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 0.9 MB · 48 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected EthicalAds Apr 2026