What powers mariner-surf.jp?
Last seen Sep 2026 · 25 technologies across 13 categories
Analytics
CMS
Databases
Font scripts
Hosting
JavaScript libraries
Miscellaneous
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 Sep 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
2.24 / 10 · ranked #3,018,041 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 8.4 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 6900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 4.1 MB · 120 requests
- WordPress theme: neve (child: neve-child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Sakura Internet (202.181.99.54)
- Email: no MX record returned
- Email security: SPF (soft fail)
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 2,091,254
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Cart Functionality Aug 2026
- detected Cart Functionality Apr 2026
- detected Twitter Emoji (Twemoji) Jan 2026
- dropped W3 Total Cache Dec 2025