What is a long tail keyword?
You have trophy keywords and query words that in general the most obvious that people want to rank well for but often can result in high volume low quality traffic, mostly because the word or phrase is too general. Then there are all niche-keywords and keywords, which are often lower volumes but often attract higher quality traffic. Together, these niche keywords and search terms what is known as the longtail. The amount of traffic that is generated by the sum of the longtail keywords can often be higher than the individual trophy keywords and search terms. To fully appreciate the longtail, you should be optimizing for hundreds of search terms.