What powers jitsumu.co.jp?
Last seen Jun 2026 · 22 technologies across 13 categories
Advertising
Google Ads
since Dec 2022
Analytics
Google Ads Conversion Tracking
since Aug 2021
Google Analytics
since Jan 2019
Microsoft Clarity
since Oct 2024
CDN
Font scripts
Google Font API
since Mar 2024
JavaScript frameworks
GSAP
since Dec 2024
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Mar 2024
Operating systems
Windows Server
since May 2024
Programming languages
Security
HSTS
since Mar 2024
Tag managers
Google Tag Manager
since Jan 2019
Web frameworks
Web servers
Audience
- 58% phone
- 42% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.70 / 10 · ranked #315,335 of all domains
73 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 8.6 MB · 163 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| books.jitsumu.co.jp | 18 |
| www.jitsumu.co.jp | 14 |
| form.jitsumu.co.jp | 3 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Facebook Pixel Apr 2026
- dropped Google Hosted Libraries Apr 2026
- detected PHP Apr 2026
- dropped Laravel Dec 2025
- dropped PHP Dec 2025