What powers heritage.jp?
Last seen Jun 2026 · 21 technologies across 14 categories
Analytics
Cloudflare Browser Insights
since Nov 2025
Google Analytics
since Jan 2019
CDN
Cloudflare
since Mar 2025
jsDelivr
since Jun 2025
CMS
Concrete CMS
since Mar 2025
Font scripts
Google Font API
since Mar 2025
JavaScript frameworks
JavaScript libraries
Maps
Google Maps
since Apr 2025
Miscellaneous
HTTP/3
since Mar 2025
Open Graph
since Sep 2022
Performance
Priority Hints
since Sep 2025
Programming languages
PHP
since Jan 2019
Security
HSTS
since Mar 2025
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Tailwind CSS
since Mar 2025
Webmail
Google Workspace
since Sep 2025
Microsoft 365
since Aug 2022
Audience
- 100% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.80 / 10 · ranked #1,982,812 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.4 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 1800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Cloudflare
- Weight: 15.3 MB · 123 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| onoebesso.heritage.jp | 19 |
| tokugawaen.heritage.jp | 19 |
| www.heritage.jp | 14 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Browser Insights Nov 2025
- detected Google Workspace Sep 2025
- detected Priority Hints Sep 2025