What powers granton.co.jp?
Last seen Aug 2026 · 6 technologies across 5 categories
Analytics
CDN
Google Hosted Libraries
since Jul 2022
JavaScript libraries
Web servers
Apache HTTP Server
since Jul 2022
Webmail
Google Workspace
since Jan 2026
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
- 100% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.11 / 10 · ranked #1,410,266 of all domains
17 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 25 ms |
| CLS | 0.6 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on SONYTELECOM So-net Corporation (211.9.36.93)
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 1,097,066, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted