What powers gokase.co.jp?
Last seen Aug 2026 · 5 technologies across 5 categories
CDN
Google Hosted Libraries
since Feb 2022
JavaScript libraries
PaaS
Amazon Web Services
since Aug 2022
Video players
YouTube
since Jan 2025
Web servers
Apache HTTP Server
since Jan 2019
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 73% phone
- 27% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.82 / 10 · ranked #708,243 of all domains
54 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 1.5 MB · 30 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Sakura Internet (133.242.141.149)
- DNS: Amazon Route 53
- Email: gokase.co.jp
- Email security: SPF (soft fail), DMARC monitor only
- SSL: GlobalSign, RSA 2048, expires Feb 2027
- Common Crawl link graph: rank 7,324,635, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Amazon Web Services Jul 2026
- detected Apache HTTP Server Jul 2026
- detected Google Hosted Libraries Jul 2026
- detected jQuery Jul 2026
- detected YouTube Jul 2026