What powers 21tsnj.jp?
Last seen Jun 2026 · 21 technologies across 14 categories
Advertising
Google AdSense
since Oct 2021
Analytics
Google Analytics
since Oct 2021
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
CMS
WordPress
since Oct 2021
Databases
MySQL
since Oct 2021
Font scripts
Google Font API
since Oct 2021
Twitter Emoji (Twemoji)
since Oct 2021
Hosting
Xserver
since Jan 2025
JavaScript libraries
Swiper
since Sep 2022
Miscellaneous
Performance
Priority Hints
since Aug 2023
Programming languages
PHP
since Oct 2021
Security
reCAPTCHA
since Apr 2022
Tag managers
Google Tag Manager
since Oct 2021
Web servers
Nginx
since Jan 2025
Audience
- 100% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.67 / 10 · ranked #5,188,217 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.0 MB · 58 requests
- WordPress theme: jin · all themes
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected core-js Jan 2026
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped Snowplow Analytics Oct 2025
- dropped Microsoft ASP.NET Sep 2025
- detected Snowplow Analytics Aug 2025