Keyword refers to the most popular term that relates to your website content. The keyword in SEO, refers to these popular terms and phrases, you use in your website as keyword tags, to improve its visibility, during related searches.
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Your SEO keywords are the key words and phrases in your web content that make it possible for people to find your site via search engines. A website that is well optimized for search engines "speaks the same language" as its potential visitor base with keywords for SEO that help connect searchers to your site.
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