What powers k4v.co.jp?
Last seen Aug 2026 · 13 technologies across 11 categories
Analytics
Google Analytics
since Aug 2022
CDN
Google Cloud CDN
since Jan 2025
Databases
Firebase
since Jan 2025
Font scripts
Google Font API
since Jan 2025
IaaS
Google Cloud
since Jan 2025
JavaScript frameworks
Miscellaneous
HTTP/3
since Jan 2025
Open Graph
since Jan 2025
Page builders
STUDIO
since Jan 2025
Performance
Google Cloud Trace
since Jul 2026
Programming languages
Node.js
since Jan 2025
Tag managers
Google Tag Manager
since Aug 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Open Page Rank
2.83 / 10 · ranked #1,921,550 of all domains
15 referring domains · OpenPageRank
Infrastructure
- DNS: kanden.ne.jp
- Email: no MX record returned
- SSL: Google Trust Services, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 11,103,411
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted