A word used in a performing a search.


Keywords are used by Web surfers to describe what they hope to find when performing a Web search. This statement of a real-time want/need has not gone unnoticed by Web marketers, many of whom have tried to benefit from keyword advertising buys and/or search engine optimization.


Premium tools:

SEMrush – find organic & paid metrics for your keyword, related keywords, keyword difficulty, more.
SpyFu – spy on competitors, see which keywords they are using for SEO and PPC, much more.

Free tools:

Google AdWords Keyword Planner – requires signup to Google AdWords. Uses Google’s search query data.
Bing Keyword Research – requires signup to Bing Webmaster Tools. Another source of search query data.
Google Trends – compare keyword popularity over time, across geographies, vs. other terms, more.

see also: Digital Marketing Tools
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SEO Courses – compare at the big list of online courses.

Related Terms

keyword density, keyword marketing, keyword research

view all terms in the SEO glossary or all terms in the Digital Marketing glossary