What powers 
heim.jp?
Last seen Oct 2026 · 22 technologies across 14 categories
Advertising
Analytics
Authentication
CDN
Cookie compliance
IaaS
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
Web frameworks
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No AI crawlers blocked
Audience
- 77% phone
- 21% desktop
- 2% tablet
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.29 / 10 · ranked #210,197 of all domains
115 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Japanese
- CDN: Google
- Weight: 4.4 MB · 73 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Google Cloud (34.111.62.69, IPv6)
- DNS: Google Cloud DNS
- Email: Mailgun
- Email security: SPF (soft fail), no DMARC record
- SSL: Google Trust Services, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 2,862,782
- Verified with: Firebase, Google
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Priority Hints Sep 2026