What powers chuka.tokyo?
Last seen Jun 2026 · 20 technologies across 16 categories
Advertising
Google AdSense
since Jun 2021
Twitter Ads
since Jul 2021
Analytics
Google Analytics
since Jun 2021
Authentication
Facebook Login
since Sep 2023
Caching
Varnish
since Sep 2023
CDN
Cloudflare
since Jan 2025
CMS
Hatena Blog
since Sep 2023
Font scripts
Google Font API
since Jun 2021
Issue trackers
Sentry
since Sep 2023
JavaScript libraries
Maps
Google Maps
since Dec 2022
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Security
Cloudflare Bot Management
since Jan 2025
reCAPTCHA
since Apr 2022
Tag managers
Google Tag Manager
since Jul 2021
Video players
YouTube
since Sep 2023
Web servers
Nginx
since Jun 2021
Widgets
Twitter
since Jun 2021
Audience
- 73% phone
- 27% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.81 / 10 · ranked #4,293,371 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 100 ms |
| CLS | 0.1 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 10.5 MB · 497 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Snowplow Analytics Jan 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- detected Google Font API Nov 2025
- detected Snowplow Analytics Nov 2025
- dropped Snowplow Analytics Aug 2025