What powers deff.co.jp?
Last seen Jun 2026 · 35 technologies across 21 categories
Advertising
Twitter Ads
since Jul 2021
Analytics
Google Analytics
since Jan 2019
Matomo Analytics
since Mar 2026
Authentication
Facebook Login
since Jul 2021
CDN
CMS
WordPress
since Jan 2019
Cross border ecommerce
Databases
MySQL
since Jan 2019
Ecommerce
Cart Functionality
since Mar 2026
Future Shop
since Mar 2026
Sendgrid
since May 2026
Font scripts
Twitter Emoji (Twemoji)
since Jan 2019
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Payment processors
Amazon Pay
since Mar 2026
Performance
Priority Hints
since Mar 2026
Programming languages
PHP
since Jan 2019
RUM
New Relic
since Mar 2026
Security
HSTS
since Mar 2026
Video players
Web servers
Nginx
since Apr 2021
Widgets
Twitter
since Jan 2019
WordPress plugins
Smart Slider 3
since Feb 2022
Smash Balloon Instagram Feed
since Feb 2022
Translate WordPress
since Feb 2022
Audience
- 92% phone
- 6% desktop
- 2% tablet
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.89 / 10 · ranked #662,938 of all domains
50 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 4.5 MB · 163 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.deff.co.jp | 22 |
| deff.co.jp | 16 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped A8.net Jun 2026
- detected Facebook Pixel May 2026
- detected Sendgrid May 2026
- detected WorldShopping Apr 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025