Codecademy was founded in August 2011 by Zach Sims and Ryan Bubinski. Codecademy is one of the most popular coding training websites on the Internet. Its free and easily accessible to anyone. Each lesson is made up of a series of interactive coding exercises, which allow you to practice your coding right inside your web browser. Primary audience for this site are students and the persons who wants to upgrade their skills. Secondary audience are the persons who just want to look syntax or just repeating.

ContrastRepetitionAlignmentProximity

Contrast of this website is smooth and is light. In background there are small images of different languages. The colors of this websites are not a lot but still catchy site.Repetition is same all around the page for every specific aspect. The bold (main) lines all are the same fonts and sub main are also the same fonts.All the aspects on this page have are suitable align from top to bottom and which makes easier to scan page.All elements are group well. e.g. first there is Sign in options then Help then Stories and then at the end contents about site.

Lynda Weinman is co-founder and executive chair of lynda.com, one of the most successful companies in online education today. Through a comprehensive library of instructional videos taught by industry experts, lynda.com teaches technology, design, and business skills to millions of individual, corporate, academic. Primary audience for this site are the people who wants to excel their skills. Secondary audience are the persons who just want to be updated

ContrastRepetitionAlignmentProximity

Contrast is very good and got attention. Every learning topic name block have different color at front and good looking image in background.Repetition is also well e.g. Fonts, blocks, image blocks etc. all are repeated for users to comfortable.At top content is align from strong left to right it is good for attention and below all the contents all align center.You see there is a large amount of block and main line at the front of top which create strong compelling to learn and read.

TED is a nonprofit devoted to spreading ideas, usually in the form of short, powerful talks (18 minutes or less). TED began in 1984 as a conference where Technology, Entertainment and Design converged, and today covers almost all topics from science to business to global issues in more than 100 languages. Meanwhile, independently run TEDx events help share ideas in communities around the world. Primary audience are the people who are very much interested in talks and discussions. Secondary audience are just the persons who just want to see what is happening.

ContrastRepetitionAlignmentProximity

Contrast of this page is high and catchy as like their logo its page color focus is red.This page repeat styles for a cohesive feel.This page lining up the top, bottom, sides, or middle of text or graphic elements on a page for comfortable.Everything is grouped and blocks move right or left with topics with images and change colors.