The answer to this question is yes, Selenium is one of the most popular and widely-used browser automation tools. What makes it best that it is very portable software testing framework which has enjoyed a loyal user base and a great amount of attention ever since its inception in 2004 as an internal tool at ThoughtWorks. However, with changing trends of the industry and further developments in the software industry. If you want to have a career in software testing field then you must have a good knowledge of Selenium and a valued certificate in order to have both you can take up Selenium courses at Intellipaat.
If you like reading you can have a look at the Intellipaat Selenium tutorial and if you want to learn Selenium free of cost you can have a look at the following video tutorial: