What powers kokotuku.jp?
Last seen Sep 2026 · 12 technologies across 11 categories
Affiliate programs
A8.net
since Jul 2024
Analytics
Google Analytics
since May 2023
CDN
Amazon CloudFront
since May 2023
Amazon S3
since May 2023
Font scripts
Google Font API
since May 2023
JavaScript frameworks
Vue.js
since May 2023
JavaScript libraries
Miscellaneous
Open Graph
since May 2023
PaaS
Amazon Web Services
since May 2023
Security
HSTS
since Jul 2024
Tag managers
Google Tag Manager
since May 2023
Webmail
Google Workspace
since May 2023
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 100% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.77 / 10 · ranked #4,534,095 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.2 s |
| INP | 150 ms |
| CLS | 0.85 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- CDN: Amazon CloudFront
- Weight: 7.8 MB · 103 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (99.84.234.46)
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: Amazon Trust Services, RSA 2048, wildcard, expires Feb 2027
- Common Crawl link graph: rank 10,329,440
- Verified with: Google, Meta Business
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted