Google's Penguin algorithm can become very expensive to recover from, so it's important to avoid acquiring the wrong type of inbound link. Jayson DeMers provides a list of the types of links to
avoid. Doing so will minimize the risk of being penalized by Google. Some of those include article directory links, link exchanges, and low-quality press releases. He also explains how to clean up the
links. Read this article here.Read the whole story at Search Engine Journal »