What powers coku.jp?
Last seen Aug 2026 · 15 technologies across 10 categories
Analytics
Google Analytics
since Dec 2023
Microsoft Clarity
since Dec 2023
CMS
WordPress
since Dec 2023
Databases
MySQL
since Dec 2023
Font scripts
Google Font API
since Dec 2023
Hosting
Xserver
since Dec 2023
JavaScript libraries
Miscellaneous
Open Graph
since Dec 2023
Programming languages
PHP
since Dec 2023
Tag managers
Google Tag Manager
since Dec 2023
Web servers
Nginx
since Dec 2023
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
- 94% phone
- 4% desktop
- 1% tablet
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.06 / 10 · ranked #3,436,399 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 22.5 MB · 189 requests
- WordPress theme: coku · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Aug 2026.