Meta tags are brief keywords that may or may not appear on your website, yet they are absolutely necessary to increasing your search engine optimization.
Meta tags may not appear on your website, however they will appear in the HTML code for your website, which is what search engines use to rank your website. they are typically brief one to two word descriptors that will define or describe the intent of your website.
For example, if you were building a website for Nike shoes, your meta tags would need to include anything describing Nike shoes, as well as how people perceive Nike shoes, and their many uses. This may include: High quality, running, basketball, stylish, running shoes, “just do it”, along with many others.