It is online tutorial.Begineers can learn languages easily.In w3schools.com more web developing languages are there they given importance to that .we can learn through our native language there is a feature called "select language".Html, css, Javascript, Colorpicker, Bootstrap, sql, php, jquery, bootstrap etc this are the languages available in w3schools.com.They explaining from basic level to expert level .It is a good start for beginners.Its a free of cost.And "tryityourself" feature is there to verify output or we can code ownly and try.This tutorial helps to crack a interview and learn new language easily step by step.We can complete a course through this .to write a exam for certification they are collecting fee .we can participate in quiz.And examples are there to understand and learn we can solve exercise also.