Undoubtedly, Keyword research is a crucial part of SEO as it helps you to identify what users are talking about and help you to determine the keyword volume as well as difficulty. If you are looking to create SEO friendly content then it is recommended to identify and include the unique keyword for different content. Make sure you are using LSI (latent Semantic Indexing) keywords in your content.

If you are looking to perform keyword research for your content then you can refer to the keyword research guide by Moz.

After determining the keyword next it is recommended to understand searcher intent. What they are looking for after entering the search query. Once you successfully determine the search intent then according to that you can create content there meets the user need.