What powers sflag.co.jp?
Last seen Aug 2026 · 33 technologies across 19 categories
Advertising
Twitter Ads
since May 2024
Analytics
Google Analytics
since May 2024
Authentication
Facebook Login
since May 2024
Caching
WordPress Super Cache
since May 2024
CDN
Cloudflare
since Mar 2025
jsDelivr
since May 2024
CMS
WordPress
since Apr 2021
Databases
MySQL
since Apr 2021
Font scripts
Hosting
Sakura Internet
since Aug 2022
JavaScript libraries
Miscellaneous
Operating systems
FreeBSD
since Jan 2019
Performance
Priority Hints
since May 2024
Programming languages
PHP
since Jan 2019
Security
Cloudflare Bot Management
since Mar 2025
reCAPTCHA
since Jun 2021
Web server extensions
Web servers
Nginx
since Apr 2021
Widgets
Twitter
since May 2024
WordPress plugins
Smart Slider 3
since Feb 2022
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 84% phone
- 16% desktop
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.31 / 10 · ranked #197,029 of all domains
147 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Japanese
- Weight: 1.3 MB · 48 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| spade-heart.sflag.co.jp | 26 |
| www.diamond.sflag.co.jp | 15 |
| diamond.sflag.co.jp | 14 |
| www.apollo.sflag.co.jp | 13 |
| apollo.sflag.co.jp | 11 |
| diamond-apollo.sflag.co.jp | 4 |
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