I like and use DuckDuckGo, this extension is great, but i would like to see more features. It does not do so much if using a adblocker and HTTPS Everywhere. I wish it had some of the following:

Canvas Fingerprint Spoofing (Video)
Audio Fingerprinting Protection
WebGL Fingerprinting Protection (Updated)
JS Crypto Currency Mining Domain Blocking
WebRTC IP Leakage Protection
WebRTC Device Enumeration Protection
Client Rects Protection
Screen Resolution Spoofing
User-Agent Spoofing
Battery API Spoofing
Browser Plugin Fingerprinting Protection
Hardware Fingerprinting Protection
Beacon/'Ping' Request Blocking
Blocks Malicious Top Level Domains
Hyperlink Auditing Prevention
HTTP Referrer Header Controls (Video)
Chrome Header Tracking Controls
E-Tag Tracking Mitigation
Removal of URL Tracking Parameters
Removal of specific Tracking Cookies