What powers 
01-grandslam.jp?
Last seen Aug 2026 · 12 technologies across 10 categories
Analytics
Google Analytics
since Jun 2021
CDN
Google Hosted Libraries
since Feb 2022
jsDelivr
since May 2023
CMS
WordPress
since May 2023
Databases
MySQL
since May 2023
Font scripts
Google Font API
since Jun 2021
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since May 2023
Video players
YouTube
since Jul 2023
Web servers
Apache HTTP Server
since Jun 2021
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
- 56% phone
- 44% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.86 / 10 · ranked #686,846 of all domains
32 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 9.2 MB · 120 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on NIFCLOUD-NET FUJITSU LIMITED (157.112.119.87)
- DNS: i2ts.ne.jp
- Email: Sakura Internet
- Email security: SPF (soft fail), DMARC monitor only
- SSL: DigiCert, RSA 2048, expires Feb 2027
- Common Crawl link graph: rank 1,202,556
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
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Recent changes
- dropped Twitter Jun 2026
- dropped Twitter Ads Jun 2026
- detected YouTube Dec 2025
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025