What powers e-harp.jp?
Last seen Jun 2026 · 20 technologies across 11 categories
Analytics
Google Analytics
since Apr 2020
CDN
Font scripts
Google Font API
since Apr 2020
Issue trackers
Sentry
since Feb 2024
JavaScript graphics
Chart.js
since Apr 2020
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
Java
since Mar 2022
Security
HSTS
since Feb 2024
Web servers
Apache HTTP Server
since Apr 2018
Nginx
since Apr 2020
Webmail
Apple iCloud Mail
since Apr 2025
Microsoft 365
since Aug 2022
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 81% phone
- 18% desktop
- 1% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.61 / 10 · ranked #68,759 of all domains
225 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Incapsula
- Weight: 2.6 MB · 75 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.e-harp.jp | 15 |
| shinsei.faq.e-harp.jp | 7 |
| yoyacool.e-harp.jp | 5 |
| yoyaku.e-harp.jp | 3 |
| www.idc.e-harp.jp | 2 |
Full technology history →
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Recent changes
- dropped Heroku Sep 2025