What powers katou-cs.jp?
Last seen Aug 2026 · 14 technologies across 12 categories
Analytics
Google Analytics
since Oct 2020
CMS
WordPress
since Oct 2020
Databases
MySQL
since Oct 2020
Font scripts
Google Font API
since Oct 2020
Twitter Emoji (Twemoji)
since Oct 2020
Hosting
Xserver
since May 2026
JavaScript libraries
Miscellaneous
Open Graph
since May 2026
Programming languages
PHP
since Oct 2020
Tag managers
Google Tag Manager
since Oct 2020
Web servers
Nginx
since Oct 2020
Webmail
Apple iCloud Mail
since Nov 2024
WordPress plugins
WP-PageNavi
since Aug 2026
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 Aug 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.43 / 10 · ranked #7,202,140 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 4.6 MB · 117 requests
- Structured data: JSON-LD, Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Aug 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected WP-PageNavi Aug 2026
- detected Apple iCloud Mail Jul 2026
- detected Contact Form 7 Jul 2026
- detected Google Analytics Jul 2026
- detected Google Font API Jul 2026
- detected Google Tag Manager Jul 2026
- detected jQuery Jul 2026
- detected MySQL Jul 2026
- detected Nginx Jul 2026
- detected Open Graph Jul 2026
- detected PHP Jul 2026
- detected Twitter Emoji (Twemoji) Jul 2026
- detected WordPress Jul 2026
- detected Xserver Jul 2026
- dropped Bootstrap Jun 2026
- dropped Font Awesome Jun 2026
- dropped Google Hosted Libraries Jun 2026
- dropped Google Maps Jun 2026
- dropped lit-element Jun 2026
- dropped lit-html Jun 2026
- dropped RSS Jun 2026
- dropped Sakura Internet Jun 2026
- detected Google Font API May 2026
- detected Google Tag Manager May 2026
- detected Open Graph May 2026
- detected Xserver May 2026