What is the ruling of Sharia on profiting from internet sites that rely on opinion polls, or likes and follows and watching videos, or uploading files and inviting people to subscribe?

Earning through participation in opinion polls and filling out surveys is permissible, subject to specific conditions. Regarding participation in browsing sites or downloading materials and uploading files, there are previous fatwas. It is not possible to rule on specific websites without examining the reality of their transactions.