What powers 
kousakusha.co.jp?
Last seen Oct 2026 · 7 technologies across 6 categories
Analytics
Google Analytics
since Jan 2019
Font scripts
Font Awesome
since Jan 2019
Google Font API
since Jan 2019
Hosting panels
Plesk
since Sep 2020
JavaScript libraries
UI frameworks
Web servers
Nginx
since Sep 2020
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 56% desktop
- 44% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.15 / 10 · ranked #481,242 of all domains
65 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 3.2 MB · 36 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Kōsakusha
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on atworks - A.T.WORKS, Inc. (182.16.226.147)
- DNS: atw.jp
- Email: kousakusha.co.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: JPRS, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 649,039, 2 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| kousakusha.co.jp | 7 |
| www.kousakusha.co.jp | 6 |