Keyword Research

Keyword research is the painful task of finding the best possible keywords or key
word phrases possible for your web page.

When researching, one wants to find keywords & keyword phrases that have high search volume & low competition.

In other words, you want keyword phrases that a lot of people search for every day & that don't have a lot of other websites competing for them.

The way we measure how good a keyword or phrase is called KEI or keyword effectiveness index.
phrase

A KEI score of 20 and above would be acceptable.

From there you would optimize/target your web page around your chosen keyword/phrase. It is "best" to only optimize for 1 or 2 keywords per page.