What powers kazten.com?
Last seen Jun 2026 · 18 technologies across 14 categories
Advertising
Google AdSense
since Nov 2022
Twitter Ads
since Nov 2022
Analytics
Google Analytics
since Nov 2022
Caching
Varnish
since Nov 2022
CDN
Cloudflare
since Mar 2025
CMS
Hatena Blog
since Dec 2022
Font scripts
Google Font API
since Jun 2024
Issue trackers
Sentry
since Nov 2022
JavaScript libraries
Miscellaneous
Open Graph
since Nov 2022
RSS
since Dec 2022
Security
Cloudflare Bot Management
since Mar 2025
reCAPTCHA
since Nov 2022
Tag managers
Google Tag Manager
since Nov 2022
Video players
YouTube
since Nov 2022
Web servers
Nginx
since Nov 2022
Widgets
Twitter
since Nov 2022
Audience
- 86% phone
- 12% desktop
- 2% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.31 / 10 · ranked #47,551,045 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 175 ms |
| CLS | 0.1 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 2.6 MB · 142 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 Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- detected Google Font API Oct 2025