What powers penguinlab.jp?
Last seen Jul 2026 · 8 technologies across 8 categories
CDN
Cloudflare
since Mar 2025
CMS
Databases
MySQL
since Apr 2019
Hosting
Sakura Internet
since Aug 2022
Programming languages
PHP
since Apr 2019
Security
Cloudflare Bot Management
since Mar 2025
Web servers
Nginx
since Apr 2019
WordPress plugins
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Aug 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
3.15 / 10 · ranked #1,340,305 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 0.1 MB · 5 requests
Homepage as crawled by the HTTP Archive, Sep 2026.