What powers first-dc.com?
Last seen Jun 2026 · 23 technologies across 17 categories
Advertising
Yahoo Advertising
since Apr 2022
Analytics
Google Analytics
since Feb 2019
CMS
Databases
MySQL
since Aug 2023
Font scripts
Google Font API
since Apr 2024
Twitter Emoji (Twemoji)
since Dec 2025
Hosting
Xserver
since Aug 2022
JavaScript libraries
Miscellaneous
RSS
since Apr 2024
Mobile frameworks
Page builders
WordPress Block Editor
since Jul 2024
Performance
LazySizes
since Apr 2024
Priority Hints
since Apr 2024
Programming languages
PHP
since Aug 2023
Security
reCAPTCHA
since May 2025
Tag managers
Google Tag Manager
since Aug 2025
Web servers
Nginx
since Feb 2019
WordPress plugins
EWWW Image Optimizer
since Apr 2024
WordPress themes
Lightning
since Apr 2024
Audience
- 86% phone
- 14% desktop
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.02 / 10 · ranked #12,215,989 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| CLS | 0.15 |
| TTFB | 1700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 3.0 MB · 130 requests
- WordPress theme: lightning · all themes
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.first-dc.com | 20 |
| first-dc.com | 10 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Priority Hints May 2026
- dropped Autoptimize Jan 2026
- dropped Priority Hints Jan 2026
- detected Twitter Emoji (Twemoji) Dec 2025
- detected Google Tag Manager Aug 2025