What powers 
penguindrum.jp?
Last seen Sep 2026 · 13 technologies across 12 categories
Advertising
Twitter Ads
since Jun 2021
Analytics
Google Analytics
since Aug 2021
CDN
Cloudflare
since Mar 2025
Google Hosted Libraries
since Jul 2026
CMS
WordPress
since Jan 2019
Databases
MySQL
since Jan 2019
Hosting panels
Plesk
since Jan 2019
JavaScript libraries
Miscellaneous
Open Graph
since Jul 2026
Programming languages
Security
Cloudflare Bot Management
since Mar 2025
Web servers
Nginx
since Aug 2019
Widgets
Twitter
since Jan 2019
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
- 82% phone
- 18% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.80 / 10 · ranked #717,521 of all domains
55 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 3.6 MB · 104 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on IROB irob Ltd. (183.182.44.57)
- DNS: 7th-gate.jp
- Email: penguindrum.jp
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 2,354,262, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| tv.penguindrum.jp | 11 |
| penguindrum.jp | 7 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Hosted Libraries Jul 2026
- detected Open Graph Jul 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025