What powers chord4.com?
Last seen Jun 2026 · 17 technologies across 13 categories
Advertising
Google AdSense
since Apr 2018
Analytics
Cloudflare Browser Insights
since Nov 2025
Google Analytics
since Jun 2018
CDN
Cloudflare
since Jul 2019
Cookie compliance
Funding Choices
since Dec 2022
Font scripts
Google Font API
since Oct 2025
JavaScript Frameworks
React
since Jun 2018
JavaScript libraries
Miscellaneous
Programming languages
Security
Cloudflare Bot Management
since Jan 2025
reCAPTCHA
since Apr 2022
Tag managers
Google Tag Manager
since Aug 2021
Web frameworks
CodeIgniter
since Sep 2021
Web Servers
Nginx
since Apr 2018
Audience
- 47% phone
- 43% desktop
- 10% tablet
Taiwan
Malaysia
Singapore
Hong Kong SAR China
Macao SAR China
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.47 / 10 · ranked #26,337,935 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Chinese
- CDN: Cloudflare
- Weight: 1.4 MB · 97 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| chord4.com | 15 |
| www.chord4.com | 6 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management Jun 2026
- dropped Cloudflare Rocket Loader Jun 2026
- detected Google Font API Jun 2026
- dropped Snowplow Analytics Apr 2026
- dropped Google Font API Mar 2026
- detected Snowplow Analytics Feb 2026
- detected Cloudflare Browser Insights Nov 2025
- detected Google Font API Oct 2025
- detected PWA Aug 2025