What powers atsumaru.jp?
Last seen Aug 2026 · 25 technologies across 14 categories
Advertising
Google Ads
since Jan 2023
Yahoo Advertising
since Oct 2022
Analytics
Google Ads Conversion Tracking
since Oct 2022
CDN
Google Hosted Libraries
since Apr 2023
Font scripts
Font Awesome
since Jun 2018
Google Font API
since Jun 2018
JavaScript Libraries
Slick
since Jun 2018
Miscellaneous
Open Graph
since Sep 2022
Operating systems
CentOS
since Apr 2018
Programming languages
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Jul 2020
Video players
YouTube
since Apr 2023
Web frameworks
Ruby on Rails
since Aug 2018
Web servers
Nginx
since Aug 2018
Webmail
Google Workspace
since Aug 2022
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
- Aug 2026 * added to robots.txt
- Aug 2026 * removed from robots.txt
AI Crawlers
All crawlers blocked
Audience
- 90% phone
- 10% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.57 / 10 · ranked #391,106 of all domains
42 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 1.7 MB · 28 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| online.atsumaru.jp | 11 |
| silk-on-valley.atsumaru.jp | 10 |
| atsumaru.jp | 9 |
| main.atsumaru.jp | 9 |
| www.atsumaru.jp | 8 |
| amu-kumamoto.atsumaru.jp | 5 |
| f.atsumaru.jp | 4 |
| job.atsumaru.jp | 4 |
| amu-miyazaki.atsumaru.jp | 2 |