Full definition
Keywords are the words and phrases people type into search engines. Keyword research is the foundation of all SEO. "Long-tail" phrases (4+ words) are usually easier to rank for and face lower competition.
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TL;DR — In one line
The words people search for on Google
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Read the full guideMore terms in SEO
SEO (Search Engine Optimization)
Organic ranking on Google
SERP (Search Engine Results Page)
Google's search results page
Backlinks
Links from other websites pointing to yours
Domain Authority (DA)
A 0-100 score reflecting how strong a domain is in Google's eyes
Long-Tail Keywords
Long, highly specific search phrases
Meta Description
The description that appears under the title in Google's results
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