What powers leafhouse.jp?
Last seen Sep 2026 · 18 technologies across 12 categories
Analytics
CDN
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
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 not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.75 / 10 · ranked #4,659,759 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 6.8 MB · 108 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on INFOSPHERE NTT PC Communications, Inc. (116.80.16.121)
- DNS: sphere.ad.jp
- Email: leafhouse.jp
- Email security: SPF (hard fail), DMARC monitor only
- SSL: GlobalSign, RSA 2048, expires Apr 2027
- Common Crawl link graph: rank 19,146,597, 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
- dropped SnapWidget May 2026
- detected jsDelivr Apr 2026
- detected Slick Apr 2026
- dropped Matomo Analytics Feb 2026
- detected Google Tag Manager Nov 2025