KEI: Keyword Effectiveness Index
KEI: Keyword Effectiveness Index. The higher the KEI, the more popular the keywords are, and the less competition they have. KEI is an SEO standard but is typically limited in accuracy, but it at least provides something to base phrase strength on. Keyword (Key Phrase) – A word or phrase typed into a search engine in order to find web pages that contain that word or phrase. A web page can (and should be) optimized for specific keywords/phrases that are relevant to the content on that page. Keyword Density – An old measure of search engine relevancy based on how prominent keywords appeared within the content of a page. Keyword density is no longer a valid measure of relevancy over a broad open search index though. When people use keyword stuffed copy it tends to read mechanically (and thus does not convert well and is not link worthy), plus some pages that are crafted with just the core keyword in mind often lack semantically related words and modifiers from the related vocabulary...