How we optimize a Website for Mobile?

Hi..friends
Today is Mobile SEO too much important in digital world. I want to know how can we optimize website for it.
– Give me detail information so i can understand it deeply.
– Also give an article or blog link so i can read & understand.
– which changes needs to do in On- page optimization for website.

Thanks
Paresh Shrimali

See original post by Paresh Shrimali