Why is Ganesh puja done prior to starting any other rituals/puja?

In Hindu tradition, Lord Ganesha is worshipped before any other deity or puja because he is considered the remover of obstacles, the patron of arts and sciences, and the god of intellect and wisdom. There is an interesting story behind why this is so.. The story of Ganesha and Kartikeya (also known as Murugan or Skanda) making three rounds around the world is a popular Hindu myth that illustrates the wisdom of Lord Ganesha. The story is often used to explain why Ganesha is worshiped before Kartikeya despite Kartikeya being the elder son of Lord Shiva and Goddess Parvati. <a href="https://medium.com/@manasa.manohar/why-is-ganesh-puja-done-prior-to-starting-any-other-rituals-puja-d2424ea0be56">Click Here</a>