A word or phrase used to match website content to a user inquiry they are words that topics get searched by on search engines.
The search engines when searching for a topic, will look for web pages that contain these keywords Advertisers can bid on these terms or phrases to show ads within the results pages.
In paid search advertising, this word or phrase is used to match a search query to an ad. For search engine optimization, this word or phrase is used to create content that will be relevant to users when found in a search query.
It also known as a word that a user enters in search.
Each web page should be optimized with the goal of drawing in visitors who have searched specific keywords it's an indicative of the major theme in a piece of content. When you search for something in a search engine, you type in a keyword and the search engine gives you results based on that keyword.
One major Goal of SEO is to have your website show in searches for as many relevant keywords as possible.