What is Off Page Optimization?

[yulp]

Anything that is related to the promotion of your site comes under off page optimization. e.g. forum posting, web directory submissions and regular posting on social media sites etc.

[robhartmodas]

The reviews are really very well made and they give a very good idea as to what you can expect out of the things that you read. They are essentially helpful in determining the health of the site.

[Graham]

There are different techniques in off-page optimization which are used to increase the traffic of a website.

[Bob]

Here are some techniques in off-page:
Blog commenting
Forum posting
Article submission
Press release
Social bookmarking
Directory submission