What powers charkha.net?
Last seen Aug 2026 · 15 technologies across 11 categories
CDN
cdnjs
since Aug 2022
Cloudflare
since Aug 2022
Google Hosted Libraries
since Aug 2022
jsDelivr
since Aug 2022
CMS
WordPress
since Dec 2020
Databases
MySQL
since Dec 2020
Font scripts
JavaScript frameworks
JavaScript libraries
Maps
Google Maps
since Dec 2022
Programming languages
UI frameworks
Pure CSS
since Aug 2022
Video players
YouTube
since Aug 2022
Web servers
Apache HTTP Server
since Dec 2020
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Aug 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.81 / 10 · ranked #4,291,218 of all domains
23 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 2.5 MB · 39 requests
- WordPress theme: charkha · all themes
Homepage as crawled by the HTTP Archive, Sep 2026.