StayFocus is a free Chrome extension developed by Mars Zuo. It serves as an alternative to the paid version of BlockSite and aims to help users stay focused and increase productivity by allowing them to customize their blocked website list.

With StayFocus, users can easily create a personalized list of websites that they find distracting or time-consuming. This feature is particularly useful for individuals who struggle with staying focused during work or study sessions. By blocking access to these websites, users can minimize distractions and maintain their productivity levels.

The extension provides a simple and user-friendly interface, making it easy to add or remove websites from the block list. Users can also set specific time limits for accessing blocked sites, further enhancing their ability to manage their online activities effectively.

StayFocus is a valuable tool for those seeking to improve their productivity and maintain focus in the age of constant digital distractions. Its customization options and intuitive interface make it a worthwhile addition for Chrome users looking to boost their efficiency.