KeywordA word or phrase that describes the content of a web page and is used by search engines to help match user queries with relevant pages.
Keyword densityThe percentage of times a keyword appears in the content of a web page. Keyword density is an important factor in SEO, but excessive use of keywords (known as "keyword stuffing") can lead to penalties.
Keyword researchThe process of identifying the most relevant and effective keywords for a website or web page. Keyword research is a critical component of SEO.
Keyword stuffingThe practice of excessively using keywords in web page content or meta tags in an attempt to manipulate search engine rankings. Keyword stuffing is a black hat SEO technique that can result in penalties.