What powers 81989.jp?
Last seen Jun 2026 · 18 technologies across 9 categories
Analytics
Microsoft Clarity
since Aug 2022
CDN
jQuery CDN
since Feb 2022
Font scripts
Font Awesome
since Jan 2019
Google Font API
since Aug 2019
JavaScript frameworks
JavaScript libraries
Miscellaneous
Popper
since Apr 2022
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Web servers
Nginx
since Jan 2019
Audience
- 60% phone
- 38% desktop
- 2% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.57 / 10 · ranked #5,913,185 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 1.3 MB · 74 requests
- Structured data: JSON-LD, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Font Awesome Mar 2026
- dropped Sakura Internet Feb 2026