Icons are everywhere in a website and their primary purpose of guiding and giving out information to visitors is a highly important one. Other than words themselves, these little graphics within a website that tells you how you can move to the next page, cancel a transaction, checkout the cart and the likes, basically the entire navigation. In a general sense, they act as symbols that allow easier and smoother communication between the webpage and the person interacting with it.

Depending on the web context, icons should be designed in a manner that are pleasing to the eyes, and most importantly, communicate what it is suppose to communicate. Here’s a showcase of 40 Free and Useful Icon Sets for your reference. Full list after jump.

Most of these in this collection are colourful and web 2.0