Webcomics that I recommend

Minus

A beautiful and surrealistic webcomic about a little girl who is quite... strange.

Count Your Sheep

The life and dreams of Katie, her mother Laurie, and Ship the sheep, their imaginary friend.

CRFH (antiguamente College Roomies from Hell!!!)

Was my favorite webcomic during over ten years. Published by Maritza Campos, who is also coauthor of POWER NAP.

The Adventures of Business Cat

Being the CEO of an important company is a quite serious job, that implies great responsibility.

XKCD

I usually understand it.

Megatokyo

Two american gamers stranded without money in a fantastic version of Tokyo, Japan, where they have to deal with ninjas, giant lizards, androids, etc.

Other sites that I often visit

TV Tropes

Will ruin your life.