With Selenium, you end up testing the whole application from scratch. This is a bit time consuming and you can start your work only after the developers finishes the entire coding. Now talking about the future it depends on company to company. If you work in a service-based company who is looking for 10–15% automation then Selenium is your way. But for 100% automation Selenium is not recommended alone!
So you should know that automation Starts at Development Level: Which consists of the Unit Tests which needs to be automated, Integration Tests need to Automated then comes your E2E, API and UI test!
To learn selenium automation testing free of cost and in detail, you can follow the below-mentioned video tutorial:-
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