Long Tail Keyword/LTK is a keyword consisting of 3 or more words. Such keywords can be adjusted to the target, but not all LTK is excellent and useful for your site.

Function

The Function of Long Tail Keyword to get traffic and clicks from specific keywords. LTK is often used in commands to search stores, buy and sell, and tutorials. With longer keywords, chances are, the average competitor will be at a low level.

Here is an example of a Long Tail Keyword

In Commerce - Business - Buy and Sell:

In How-to articles:

Long Tail vs Short Tail Keyword

If LTK is a keyword containing > = 3 words, then the short tail keyword is a keyword consisting of 1-2 words. Find a full explanation of Short Tail Keyword here. 

Long Tail Keyword Tools

1. Ubersuggest
2. Keywordtool .io
3. Sem rush
4. Word Tracker
5. What’s Trending
6. Long Tail Pro