What powers heartnetwork.jp?
Last seen Aug 2026 · 17 technologies across 9 categories
Analytics
Google Analytics
since Feb 2020
Microsoft Clarity
since Jul 2025
CDN
Hosting panels
Plesk
since Feb 2020
JavaScript libraries
Slick
since Jan 2023
Maps
Google Maps
since Sep 2020
Miscellaneous
PWA
since Jan 2023
Programming languages
Video players
YouTube
since Feb 2020
Web servers
Nginx
since Feb 2020
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
- 80% phone
- 20% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #354,399 of all domains
63 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 48.0 MB · 202 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Heart Network
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on GIGAINFRA SoftBank Corp. (126.143.199.104)
- DNS: heartnetwork.jp
- Email: neobb-hunter.net
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Oct 2026
- Common Crawl link graph: rank 1,180,826, 5 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| heartnetwork.jp | 13 |
| ict.heartnetwork.jp | 6 |
Full technology history →
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Recent changes
- dropped HSTS Jan 2026