What powers duocards.com?
Last seen Jun 2026 · 38 technologies across 19 categories
Advertising
Microsoft Advertising
since Oct 2025
Analytics
Google Analytics
since Jan 2021
Microsoft Clarity
since Oct 2024
CDN
Cloudflare
since Sep 2025
CMS
Databases
Development
Font scripts
Issue trackers
Sentry
since Jan 2021
JavaScript frameworks
React
since Mar 2021
JavaScript libraries
Howler.js
since Sep 2024
Miscellaneous
Performance
Priority Hints
since Jun 2025
Programming languages
Security
HSTS
since Sep 2025
Tag managers
Google Tag Manager
since Mar 2021
UI frameworks
MUI
since Apr 2022
Web frameworks
Express
since Jan 2025
WordPress plugins
Litespeed Cache
since Sep 2025
TablePress
since Oct 2025
WordPress themes
Audience
- 79% desktop
- 20% phone
- 1% tablet
Ukraine
Czechia
Egypt
Israel
Norway
Slovakia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.03 / 10 · ranked #1,530,256 of all domains
25 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.7 s |
| INP | 175 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 1.2 MB · 96 requests
- WordPress theme: hello-elementor (child: hello-elementor-child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| duocards.com | 24 |
| app.duocards.com | 21 |
Full technology history →
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Recent changes
- dropped Google AdSense Jun 2026
- dropped Lodash Mar 2026
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped Canny Nov 2025
- dropped CookieYes Nov 2025
- dropped Prototype Nov 2025
- dropped Site Kit Nov 2025
- dropped Twenty Twenty-One Nov 2025
- dropped WordPress Block Editor Nov 2025
- dropped YouTube Nov 2025
- dropped Apache Traffic Server Oct 2025
- detected Complianz Oct 2025
- detected Hello Elementor Oct 2025
- detected jQuery UI Oct 2025
- dropped jsDelivr Oct 2025
- detected Microsoft Advertising Oct 2025
- detected TablePress Oct 2025
- detected Cloudflare Sep 2025
- dropped Cowboy Sep 2025
- dropped Erlang Sep 2025
- dropped Heroku Sep 2025
- detected HSTS Sep 2025
- detected HTTP/3 Sep 2025
- detected Litespeed Cache Sep 2025
- detected Prototype Sep 2025