A long-tail keyword is a keyword that has a main keyword in it with several variations added with other words. Portent’s Katie Spencer has published a comprehensive article on why long-tail keywords are very useful for better SEO performance. She says, “Long-tail keywords matter because they convert better. After all, the people searching for them know just what they want. And by targeting those keywords with your content, you can give them what they are looking for. As a result, all those long-tail phrases generate more revenue. Long-tail keywords can also help you create new content... [...]