What powers heartkey.jp?
Last seen Aug 2026 · 28 technologies across 13 categories
Analytics
Google Analytics
since Aug 2026
Microsoft Clarity
since Aug 2026
CDN
Bunny
since Aug 2026
Cloudflare
since Aug 2026
Ecommerce
Shopify
since Aug 2026
JavaScript frameworks
JavaScript libraries
Marketing automation
Privy
since Aug 2026
Miscellaneous
HTTP/3
since Aug 2026
Open Graph
since Aug 2026
Payment processors
American Express
since Aug 2026
Apple Pay
since Aug 2026
Google Pay
since Aug 2026
Mastercard
since Aug 2026
PayPal
since Aug 2026
Shop Pay
since Aug 2026
Visa
since Aug 2026
Performance
Priority Hints
since Aug 2026
Reviews
Judge.me
since Aug 2026
Security
HSTS
since Aug 2026
Shopify apps
BON Loyalty
since Aug 2026
Privy App
since Aug 2026
Video players
YouTube
since Aug 2026
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Aug 2026.
- robots.txt found
- llms.txt found
- llms-full.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, llms-full.txt
Audience
- 77% phone
- 21% desktop
- 3% tablet
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.46 / 10 · ranked #28,549,993 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.7 s |
| INP | 225 ms |
| CLS | 0.05 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- CDN: Cloudflare
- Weight: 19.4 MB · 555 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.