Description: Google Optimize is a free A/B testing and personalization platform by Google. It allows you to test variations of website content and optimize pages to increase conversions.
Type: software
Description: jsFiddle is an online code editor that allows users to create, edit, debug and share HTML, CSS and JavaScript code snippets. It's useful for testing code, sharing examples, and prototyping web apps quickly.
Type: software
Pricing: Free