GoodGoodStudy is a free Chrome add-on developed by toby. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. This add-on aims to help users stay focused on their studies or work by blocking distracting websites.

With GoodGoodStudy, users can easily close websites that are known to be time-wasters, such as bilibili.com. By blocking these websites, the add-on encourages users to concentrate on their tasks and avoid unnecessary distractions.

The add-on is user-friendly and straightforward to use. It provides a simple way to increase productivity and maintain focus while using the Chrome browser.

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