What powers djbcard.com?
Last seen Jun 2026 · 53 technologies across 25 categories
Analytics
Authentication
Caching
Redis Object Cache
since Jun 2026
WP Rocket
since Apr 2022
CDN
Amazon S3
since Jan 2026
Cloudflare
since Oct 2023
Google Cloud CDN
since Sep 2024
jsDelivr
since Jun 2026
Unpkg
since Jun 2026
CMS
Databases
Ecommerce
Cart Functionality
since Aug 2020
Google Workspace
since Aug 2022
Sendgrid
since Oct 2025
Font scripts
Google Font API
since Nov 2021
IaaS
Google Cloud
since Sep 2024
JavaScript frameworks
JavaScript libraries
Live chat
WhatsApp Business Chat
since Jan 2023
Miscellaneous
Operating systems
Ubuntu
since May 2025
PaaS
Amazon Web Services
since Jan 2026
Performance
Priority Hints
since Aug 2023
Programming languages
PHP
since Jan 2019
Security
reCAPTCHA
since May 2025
SEO
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
MUI
since May 2025
Web servers
WordPress plugins
WordPress themes
Audience
- 58% desktop
- 42% phone
Taiwan
Malaysia
Singapore
Japan
Vietnam
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.17 / 10 · ranked #1,309,839 of all domains
50 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 1700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Chinese (Taiwan)
- CDN: Google
- Weight: 11.9 MB · 105 requests
- WordPress theme: vapesmall (child: vapesmall-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| djbcard.com | 44 |
| esim.djbcard.com | 37 |
| esimen.djbcard.com | 26 |
| event.djbcard.com | 11 |
Full technology history →
Report an incorrect detection
Recent changes
- detected jsDelivr Jun 2026
- detected Redis Jun 2026
- detected Redis Object Cache Jun 2026
- detected Unpkg Jun 2026
- detected Yoast SEO Premium Jun 2026
- dropped Mailgun Apr 2026
- detected Amazon S3 Jan 2026
- detected Amazon Web Services Jan 2026
- detected Sendgrid Oct 2025
- detected Super Socializer Oct 2025
- detected TikTok Pixel Aug 2025