What powers 
studio4c.co.jp?
Last seen Aug 2026 · 14 technologies across 12 categories
Advertising
Analytics
Authentication
CDN
JavaScript frameworks
JavaScript libraries
Miscellaneous
Security
Tag managers
Video players
Web servers
Widgets
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
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
- Sep 2026 * removed from robots.txt
- Sep 2026 robots.txt removed
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| studio4 | #1 | 49 |
| masaaki yuasa mind game | #12 | 41 |
| mutafukaz | #13 | 32 |
| studio 4 | #9 | 24 |
| mind game anime movie | #16 | 23 |
| mind game 2004 | #16 | 23 |
| studio 4c anime | #2 | 8 |
| ballmastrz: rubicon television show | #4 | 7 |
| phoenix: reminiscence of flower | #5 | 4 |
| phoenix reminiscence of flower | #5 | 4 |
| princess arete | #12 | 4 |
| studio 4c | #53 | 3 |
| studio 4c | #37 | 3 |
| studio 4c | #25 | 3 |
| mind game film | #24 | 3 |
| studio 4c berserk | #4 | 2 |
| mutafukaz movie | #14 | 2 |
| yuichiro hayashi | #55 | 1 |
| studio 4c berserk | #8 | 1 |
| mutafukaz dark meat city run | #8 | 1 |
| mutafukaz characters | #9 | 1 |
| mind game masaaki yuasa | #15 | 1 |
| mind game by masaaki yuasa | #13 | 1 |
| berserk: the golden age memorial edition | #15 | 0 |
| berserk: the golden age arc memorial edition film | #18 | 0 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No AI crawlers blocked
Audience
- 50% phone
- 50% desktop
Japan
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.27 / 10 · ranked #223,392 of all domains
113 referring domains · OpenPageRank
Search traffic
240 est. monthly organic visits (US)
67 keywords in Google's top 30
Core Web Vitals
| LCP | 1.3 s |
| INP | 250 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.8 MB · 45 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Studio 4°C
- Founded: 1986
- Sector: video game industry, anime industry
- Country: Japan
From Wikidata (CC0).
Infrastructure
- Hosted on ARTERIA Networks (120.51.157.195)
- DNS: Onamae.com
- Email: studio4c.co.jp
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 699,354, 8 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| kaijunokodomo.studio4c.co.jp | 11 |
| mutafukaz.studio4c.co.jp | 5 |
| studio4c.co.jp | 4 |
| www.studio4c.co.jp | 4 |
| genius-party.studio4c.co.jp | 2 |
| beyondcity.studio4c.co.jp | 1 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- dropped Wheelio Nov 2025