What powers harappa.co.jp?
Last seen Aug 2026 · 19 technologies across 15 categories
Analytics
Google Analytics
since Jul 2026
CDN
Google Cloud CDN
since Jul 2026
Databases
Firebase
since Jul 2026
Font scripts
Google Font API
since Jul 2026
IaaS
Google Cloud
since Jul 2026
JavaScript frameworks
JavaScript libraries
Miscellaneous
HTTP/3
since Jul 2026
Open Graph
since Jul 2026
Operating systems
Page builders
STUDIO
since Jul 2026
Performance
Google Cloud Trace
since Jul 2026
Programming languages
Tag managers
Google Tag Manager
since Jul 2026
Web server extensions
Web servers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 91% phone
- 9% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.83 / 10 · ranked #1,921,356 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.2 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 1700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- CDN: Google
- Weight: 8.5 MB · 128 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| harappa.co.jp | 13 |
| www.harappa.co.jp | 6 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Nginx Aug 2026
- detected Firebase Jul 2026
- detected Google Analytics Jul 2026
- detected Google Cloud Jul 2026
- detected Google Cloud CDN Jul 2026
- detected Google Cloud Trace Jul 2026
- detected Google Font API Jul 2026
- detected Google Tag Manager Jul 2026
- detected HTTP/3 Jul 2026
- detected Node.js Jul 2026
- detected Nuxt.js Jul 2026
- detected Open Graph Jul 2026
- detected STUDIO Jul 2026
- detected Vue.js Jul 2026