www.bing.com/webmaster/help/keyword-research-tool-628070b5

Explains the Keyword Research Tool which allows you to get data on organic keyword volumes and expand your keyword ideas.

support.google.com/webmasters/answer/35769?hl=en

Following these guidelines will help Google find, index, and rank your site. Even if you choose not to implement any of these suggestions, we strongly encourage you to pay very close attention to the "Quality Guidelines," which outline some of the illi ...