What powers rulez.jp?
Last seen Aug 2026 · 66 technologies across 27 categories
Advertising
Affiliate programs
Analytics
Authentication
Caching
CDN
CMS
Databases
Editors
Font scripts
Hosting
JavaScript frameworks
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
Retargeting
Security
Tag managers
UI frameworks
Video players
Web servers
Widgets
Wikis
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
- 79% phone
- 21% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.31 / 10 · ranked #197,054 of all domains
153 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 2.1 MB · 34 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- DNS: Sakura Internet
- Email: no MX record returned
- SSL: Gehirn Inc., RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 2,348,015, 73 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| kaerukun39.rulez.jp | 22 |
| nagaoka.rulez.jp | 22 |
| scizor.rulez.jp | 21 |
| k-sasaki.rulez.jp | 19 |
| uma.rulez.jp | 19 |
| mmk.rulez.jp | 18 |
| hoken.rulez.jp | 17 |
| mystep.rulez.jp | 17 |
| semaasa.rulez.jp | 17 |
| www.rouken.rulez.jp | 14 |
| rouken.rulez.jp | 13 |
| hkyse.rulez.jp | 12 |
| toyobaseballob.rulez.jp | 12 |
| imagemagick.rulez.jp | 11 |
| ilovesanuki.rulez.jp | 9 |
| air.rulez.jp | 8 |
| gi-10-n.rulez.jp | 8 |
| kou-sawanobori.rulez.jp | 8 |
| startflag.rulez.jp | 8 |
| hansen.rulez.jp | 5 |
| london.rulez.jp | 5 |
| apz.rulez.jp | 4 |
| menkyotoroune.rulez.jp | 4 |
| ja.rulez.jp | 2 |
Full technology history →
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Recent changes
- dropped FingerprintJS Mar 2026