What powers 
skymark.jp?
Last seen Sep 2022 · 10 technologies across 4 categories
Advertising
Analytics
JavaScript libraries
Tag managers
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 Sep 2026. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 65% desktop
- 35% phone
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.49 / 10 · ranked #160,250 of all domains
96 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on ODN SoftBank Corp. (210.169.227.44)
- DNS: odn.ne.jp
- Email: Proofpoint Essentials
- Email security: SPF (soft fail), no DMARC record
- SSL: Cybertrust Japan, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 1,191,516, 3 hosts
- Verified with: Apple Business, Google, Meta Business, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| smart.skymark.jp | 9 |
| www.skymark.jp | 9 |
| skymark.jp | 3 |