What powers kls.co.jp?
Last seen Aug 2026 · 40 technologies across 18 categories
Analytics
Google Analytics
since Jan 2019
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
CMS
Databases
MySQL
since Mar 2022
Font scripts
Google Font API
since Sep 2020
Hosting
Sakura Internet
since Aug 2022
JavaScript frameworks
JavaScript libraries
Closure Library
since Oct 2023
Marked
since Jul 2026
Maps
Google Maps
since Mar 2021
Miscellaneous
Programming languages
Security
Really Simple SSL & Security
since Apr 2024
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Video players
YouTube
since Jul 2023
Web servers
Nginx
since Jan 2019
Widgets
Facebook
since Jan 2019
WordPress plugins
GTranslate
since Mar 2024
Smash Balloon Instagram Feed
since Mar 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 *: Allowed (was Restricted)
- Aug 2026 llms.txt removed
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.86 / 10 · ranked #684,509 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- CDN: Google
- Weight: 5.5 MB · 54 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Aug 2026.
Subdomains
| Host | Techs |
|---|---|
| amaoharu.kls.co.jp | 20 |
| kasugai.kls.co.jp | 19 |
| nishikasugai.kls.co.jp | 19 |
| archery.kls.co.jp | 17 |
| fencing.kls.co.jp | 13 |
| cairn.kls.co.jp | 7 |
| studio.kls.co.jp | 7 |
| corp.kls.co.jp | 6 |
| kasugai-tanki.kls.co.jp | 6 |
| nishikasugai-tanki.kls.co.jp | 6 |
| www.kls.co.jp | 6 |
| clothed-swimming.kls.co.jp | 5 |
| kls.co.jp | 1 |
Full technology history →
Report an incorrect detection
Recent changes
- detected HTTP/3 Aug 2026
- detected Element UI Jul 2026
- detected Marked Jul 2026
- detected microCMS Jul 2026
- detected Node.js Jul 2026
- detected Nuxt.js Jul 2026
- detected Tailwind CSS Jul 2026
- detected Vue.js Jul 2026
- dropped Swiper Mar 2026
- dropped FingerprintJS Feb 2026
- detected Closure Library Jan 2026
- detected Swiper Jan 2026