What powers k5h.jp?
Last seen Aug 2026 · 8 technologies across 7 categories
Analytics
Google Analytics
since Apr 2019
Databases
Firebase
since Dec 2025
Google Workspace
since Aug 2022
Sendgrid
since Aug 2022
Font scripts
Google Font API
since Dec 2025
Hosting
Sakura Internet
since Aug 2022
Miscellaneous
HTTP/3
since Dec 2025
Security
HSTS
since Dec 2025
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
- 81% phone
- 15% desktop
- 4% tablet
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.35 / 10 · ranked #8,038,489 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0.15 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- CDN: Fastly
- Weight: 1.9 MB · 58 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Full technology history →
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Recent changes
- dropped core-js Jan 2026
- dropped Facebook Pixel Jan 2026
- dropped Font Awesome Jan 2026
- dropped Google Tag Manager Jan 2026
- dropped Nginx Jan 2026
- detected Firebase Dec 2025
- dropped Google Ads Dec 2025
- dropped Google Ads Conversion Tracking Dec 2025
- detected Google Font API Dec 2025
- detected HSTS Dec 2025
- detected HTTP/3 Dec 2025