Long-tail keywords are phrases of 2-3 words (or even more) used as search intent and can be used to create highly specific content, and for better SEO and rank.
Keywords are used in SEO, advertising, and search engines to identify the main topics of a piece of content easily. There are two types of keywords:
Long-tail keywords are less used across web content, which means less competition in terms of SEO for the same keyword. And it is easier and better to use long-tail keywords to target specific search intent (e.g., if somebody searches for perfume, great, but what type of perfume is the user looking for? The search miniperfume travel set is way more specific, and a website can provide content for that exact search intent.
There are several tools and ways to identify the right keywords and help a website owner write content using relevant topics.
Here are the go-to apps and tools to consider for proper research: