What powers kotsu.co.jp?
Last seen Jun 2026 · 55 technologies across 26 categories
Advertising
Twitter Ads
since Jul 2021
Analytics
Google Analytics
since Jan 2019
Matomo Analytics
since Dec 2025
Microsoft Clarity
since Apr 2024
Snowplow Analytics
since May 2021
Authentication
Facebook Login
since Jul 2021
CDN
Amazon CloudFront
since Nov 2022
cdnjs
since Dec 2023
Cloudflare
since Mar 2023
Unpkg
since Apr 2026
CMS
WordPress
since Dec 2023
Databases
MySQL
since Dec 2023
Ecommerce
Cart Functionality
since Aug 2020
MakeShop
since Sep 2022
Font scripts
Google Font API
since Apr 2026
Issue trackers
Sentry
since Mar 2023
JavaScript frameworks
JavaScript libraries
Load balancers
Amazon ALB
since Oct 2022
Maps
Google Maps
since Jan 2019
Miscellaneous
Operating systems
Windows Server
since Jan 2019
PaaS
Amazon Web Services
since Oct 2022
Programming languages
Reverse proxies
Envoy
since Jun 2024
Security
Cloudflare Bot Management
since Mar 2025
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Tailwind CSS
since Mar 2023
Video players
Web frameworks
Web servers
Widgets
Twitter
since Jan 2019
WordPress plugins
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 86% phone
- 13% desktop
- 1% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.68 / 10 · ranked #64,063 of all domains
298 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 75 ms |
| CLS | 0.55 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 0.8 MB · 317 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| zpgshop.kotsu.co.jp | 20 |
| www.kotsu.co.jp | 15 |
| business.kotsu.co.jp | 14 |
| shop.kotsu.co.jp | 14 |
| tetsudo-shukatsu.kotsu.co.jp | 14 |
| news.kotsu.co.jp | 7 |
| konmoji.kotsu.co.jp | 6 |
| hp.kotsu.co.jp | 4 |
| hanechika.kotsu.co.jp | 1 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management May 2026
- dropped Google Hosted Libraries May 2026
- detected Google Font API Apr 2026
- detected Lightbox Apr 2026
- detected Unpkg Apr 2026
- detected Matomo Analytics Dec 2025
- detected Plyr Dec 2025
- dropped Cloudflare Bot Management Nov 2025