Site Blocker is a free Chrome add-on designed to enhance productivity by preventing access to distracting websites. It is especially useful for students or professionals looking to maintain focus during study or work hours. The tool requires users to input website URLs without the 'www' prefix for optimal functionality, ensuring that the blocking mechanism works effectively. With its simple interface, users can easily add or remove sites from the block list, tailoring their browsing experience to their specific needs.

This add-on serves as a straightforward solution for anyone seeking to minimize distractions online. By limiting access to specific sites, it helps users stay on task and improve their concentration. Site Blocker is a valuable tool for anyone looking to create a more focused and efficient browsing environment.