What powers doukutu.co.jp?
Last seen Aug 2026 · 20 technologies across 15 categories
Advertising
Twitter Ads
since Apr 2024
Analytics
Google Analytics
since May 2021
CDN
Cloudflare
since Mar 2025
jQuery CDN
since Feb 2022
CMS
Databases
MySQL
since Jan 2019
Font scripts
Font Awesome
since Jun 2024
Twitter Emoji (Twemoji)
since Jan 2019
Hosting
Sakura Internet
since Aug 2022
JavaScript libraries
Maps
Google Maps
since Dec 2022
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Jan 2019
Security
Cloudflare Bot Management
since Mar 2025
Web servers
Nginx
since Jan 2019
Widgets
Twitter
since Apr 2024
WordPress plugins
Smash Balloon Instagram Feed
since May 2024
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
- 89% phone
- 9% desktop
- 1% tablet
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.75 / 10 · ranked #279,846 of all domains
94 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 14.0 MB · 113 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Aug 2026.
Subdomains
| Host | Techs |
|---|---|
| doukutu.co.jp | 20 |
| www.doukutu.co.jp | 13 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025