What powers rakeru.jp?
Last seen Sep 2026 · 6 technologies across 5 categories
Analytics
Google Analytics
since Jan 2019
Font scripts
Google Font API
since Oct 2020
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Web servers
Apache HTTP Server
since Oct 2020
AI Crawlers
robots.txt could not be read at the last check (Oct 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 90% phone
- 10% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.73 / 10 · ranked #749,869 of all domains
35 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 11.1 MB · 108 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on INFOSPHERE NTT PC Communications, Inc. (163.44.11.24)
- DNS: sphere.ad.jp
- Email: rakeru.jp
- Email security: no SPF record, no DMARC record
- SSL: DigiCert, RSA 2048, expires Apr 2027
- Common Crawl link graph: rank 9,761,422, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.rakeru.jp | 6 |
| rakeru.jp | 5 |