What powers 
grapestone.co.jp?
Last seen Aug 2026 · 13 technologies across 10 categories
Analytics
Google Analytics
since Aug 2018
CDN
Google Hosted Libraries
since Feb 2022
jsDelivr
since Mar 2024
Font scripts
Google Font API
since May 2024
Hosting panels
Plesk
since Jan 2019
JavaScript frameworks
Vue.js
since May 2024
JavaScript libraries
Miscellaneous
Open Graph
since Mar 2024
Tag managers
Google Tag Manager
since May 2020
Web servers
Apache HTTP Server
since Aug 2018
Webmail
Apple iCloud Mail
since Jan 2023
Google Workspace
since Apr 2023
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
- Sep 2026 * removed from robots.txt
- Aug 2026 robots.txt removed
- Aug 2026 robots.txt appeared
- Aug 2026 * added to robots.txt
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 53% desktop
- 47% phone
Japan
Taiwan
Hong Kong SAR China
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #359,825 of all domains
68 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 3.9 MB · 77 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Grapestone
- Founded: 1978
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on FUTURE Future Spirits Co.,Ltd. (219.99.167.164)
- DNS: future-s.com
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 9,704,210, 6 hosts
- Verified with: Apple Business, Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| job.grapestone.co.jp | 9 |
| info.grapestone.co.jp | 8 |
| shop.grapestone.co.jp | 8 |
| www.grapestone.co.jp | 8 |
| paqtomog.grapestone.co.jp | 4 |
| ssl.grapestone.co.jp | 1 |