What are long tail keywords?

Long-tail keywords are more specific and less common than other keywords. They focus more on a niche. The term long-tail keyword comes from the book The Long Tail by Chris Anderson. In this book, Chris Anderson shows that there’s a market for virtually any product. A long-tail keywords are keywords or keyphrases that are more specific – and usually longer – than more commonly used keywords. Long-tail keywords get less search traffic, but will usually have a higher conversion value, as they are more specific.