What powers korps.jp?
Last seen Aug 2026 · 11 technologies across 8 categories
Advertising
Affiliate programs
Analytics
CDN
Cookie compliance
Font scripts
Miscellaneous
Tag managers
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 55% phone
- 45% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.98 / 10 · ranked #12,982,325 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- CDN: Cloudflare
- Weight: 0.8 MB · 56 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Cloudflare (104.21.5.141, IPv6)
- Email: no MX record returned
- Email security: DMARC reject
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 18,980,773, 2 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| en.korps.jp | 11 |
| korps.jp | 11 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Chart.js Aug 2026
- dropped Cloudflare Bot Management Aug 2026
- dropped Font Awesome Aug 2026
- dropped HSTS Aug 2026
- dropped jQuery Aug 2026
- dropped New Relic Aug 2026
- dropped reCAPTCHA Aug 2026
- dropped Ruby Aug 2026
- dropped Ruby on Rails Aug 2026
- detected A8.net Jul 2026
- detected Cloudflare Browser Insights Jul 2026
- detected HTTP/3 Jul 2026
- detected Cloudflare Jun 2026
- detected Cloudflare Bot Management Jun 2026
- dropped Snowplow Analytics Feb 2026
- dropped Cowboy Dec 2025
- dropped Erlang Dec 2025
- dropped Heroku Dec 2025
- detected Google Font API Nov 2025