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![Nathan Lee](https://ph-avatars.imgix.net/2315658/original.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=48&h=48&fit=crop&frame=1)
OnTrack uses keyword detection to make sure that the sites you are browsing are related to the specific subject you have selected. Multiple strictness modes are available, as well as a customized whitelist for mandatory sites to stay unblocked.
![OnTrack](https://ph-files.imgix.net/66ee8ef9-5c9c-45f2-934f-ab2815ebbfbc.png?auto=compress&codec=mozjpeg&cs=strip&auto=format&w=48&h=48&fit=crop&frame=1)
OnTrack
Smart productivity tool that blocks unrelated sites