What powers senen-marine.co.jp?
Last seen Oct 2026 · 26 technologies across 16 categories
Authentication
Facebook Login
since Jul 2021
CMS
Databases
MySQL
since Oct 2020
Font scripts
Google Font API
since Oct 2020
Hosting
Sakura Internet
since Aug 2022
JavaScript libraries
Isotope
since Jul 2021
Maps
Google Maps
since Dec 2022
Miscellaneous
Programming languages
Rich text editors
UI frameworks
Bootstrap
since Oct 2020
Video players
YouTube
since Oct 2020
Web servers
Nginx
since Jul 2019
Widgets
AddToAny
since Oct 2020
WordPress plugins
SiteOrigin Widgets Bundle
since Mar 2022
Smash Balloon Instagram Feed
since Mar 2022
WordPress themes
aThemes Sydney
since Mar 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.13 / 10 · ranked #3,260,254 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- Weight: 4.1 MB · 135 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Sakura Internet (219.94.192.11)
- DNS: Sakura Internet
- Email: senen-marine.co.jp
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 9,927,364
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted