What powers 
w3hr.jp?
Last seen Sep 2026 · 26 technologies across 14 categories
Analytics
CDN
CMS
Databases
Font scripts
Hosting
JavaScript libraries
Marketing automation
Miscellaneous
Programming languages
Security
Tag managers
Web servers
WordPress plugins
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 checked
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 72% desktop
- 28% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.59 / 10 · ranked #822,230 of all domains
44 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 4.2 MB · 121 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Xserver (183.90.232.17)
- DNS: Xserver
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: DigiCert, RSA 2048, expires Apr 2027
- Common Crawl link graph: rank 2,393,391, 4 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| w3hr.jp | 21 |
| form.w3hr.jp | 17 |
Full technology history →
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Recent changes
- dropped Gutenberg Sep 2026
- dropped WordPress Block Editor Sep 2026
- detected All in One SEO Aug 2026
- dropped HubSpot Chat Feb 2026