In Language: What is the Difference between Puerto Rican Spanish and Mexican Spanish?

I am a complete outsider to these culture groups. I am not Puerto Rican and I am Not Mexican. But i want to know your opinion on the subject? What do PR’s think of Mex. Spanish and mex Culture? What to mexs think of PR Spanish and PR’s culture.

PS. I’m Salvadoran
Go Central American
Go C.A.