What powers a-def.com?
Last seen Jun 2026 · 43 technologies across 22 categories
Advertising
Twitter Ads
since Jul 2021
Analytics
Google Analytics
since Jan 2019
Matomo Analytics
since Oct 2020
Authentication
Facebook Login
since Jul 2021
CDN
cdnjs
since Apr 2025
Cloudflare
since Mar 2025
Google Hosted Libraries
since Feb 2022
jQuery CDN
since Jan 2023
jsDelivr
since Jul 2020
CMS
Databases
MySQL
since Jan 2019
Google Workspace
since Aug 2022
Mailgun
since Aug 2022
Font scripts
Google Font API
since Jan 2019
Hosting
Sakura Internet
since Aug 2022
JavaScript frameworks
React
since Jun 2024
JavaScript libraries
Miscellaneous
Page builders
WordPress Block Editor
since Jul 2024
Performance
LazySizes
since Jun 2022
Priority Hints
since Dec 2023
Programming languages
Security
Cloudflare Bot Management
since Mar 2025
SEO
Tag managers
Google Tag Manager
since May 2022
Web servers
Nginx
since Jan 2019
Widgets
WordPress plugins
EWWW Image Optimizer
since Jun 2022
WordPress themes
Lightning
since Dec 2023
Themegraphy Graphy
since Jun 2022
Audience
- 64% desktop
- 36% phone
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.50 / 10 · ranked #2,492,254 of all domains
32 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 9.3 MB · 108 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| a-def.com | 28 |
| watowa.a-def.com | 25 |
| 8-sumu.a-def.com | 15 |
| linklink.a-def.com | 13 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management May 2026
- detected Lodash Jan 2026
- dropped Cloudflare Bot Management Nov 2025
- dropped Lodash Sep 2025