What powers kwh.jp?
Last seen Sep 2026 · 20 technologies across 16 categories
Analytics
CMS
Databases
Font scripts
Hosting
JavaScript frameworks
JavaScript libraries
Maps
Miscellaneous
Page builders
Performance
Programming languages
Security
Web servers
WordPress plugins
WordPress themes
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 Oct 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 100% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.79 / 10 · ranked #4,427,938 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 5.1 MB · 83 requests
- WordPress theme: lightning (child: lightning-child-sample) · all themes
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Sakura Internet (49.212.243.58)
- DNS: Sakura Internet
- Email: kwh.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 11,714,752, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Microsoft Clarity Sep 2026
- dropped core-js Feb 2026
- dropped reCAPTCHA Feb 2026
- detected Cloudflare Turnstile Jan 2026
- detected Twitter Emoji (Twemoji) Dec 2025