What powers 
casey.jp?
Last seen Sep 2026 · 28 technologies across 21 categories
Advertising
Affiliate programs
Analytics
Caching
CDN
CMS
Cookie compliance
Databases
Font scripts
Issue trackers
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
Tag managers
UI frameworks
Webmail
Widgets
WordPress plugins
WordPress themes
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 67% desktop
- 33% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.21 / 10 · ranked #451,283 of all domains
44 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- CDN: Cloudflare
- Weight: 1.6 MB · 127 requests
- WordPress theme: cocoon-master (child: cocoon-child-master) · all themes
- Structured data: Microdata, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Cloudflare (104.21.44.111)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 1,979,679, 4 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| pc.casey.jp | 24 |
| triton.casey.jp | 9 |
| www.casey.jp | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management Aug 2026
- dropped Snowplow Analytics Jul 2026
- detected Tailwind CSS Jul 2026
- dropped cdnjs Jun 2026
- dropped Microsoft ASP.NET May 2026
- dropped Google Hosted Libraries Feb 2026
- detected Google Tag Manager Feb 2026
- detected Microsoft ASP.NET Feb 2026
- dropped Google Tag Manager Nov 2025