What powers 
luck.co.jp?
Last seen Sep 2026 · 6 technologies across 4 categories
Font scripts
Google Font API
since Jul 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Web servers
Apache HTTP Server
since Jan 2019
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 67% phone
- 33% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.55 / 10 · ranked #844,293 of all domains
28 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 8.0 MB · 75 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on TCP-NET TCP Inc. (210.134.229.52)
- Email: ipc-tokai.or.jp
- Email security: SPF (soft fail), DMARC quarantine
- SSL: GlobalSign, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 9,995,897
- Verified with: GlobalSign
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 Plesk Mar 2026