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SEO

American  

abbreviation

Digital Technology.
  1. search-engine optimization: the methods used to boost the ranking or frequency of a website in results returned by a search engine, in an effort to maximize user traffic to the site.

    The first step in SEO is to generate keywords that are relevant to your site's content.


SEO British  

abbreviation

  1. computing search engine optimization

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of SEO

First recorded in 1995–2000

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"It was similar to SEO, positioning yourself as an expert in these areas and making sure you're giving the LLMs everything they need to provide a thorough and conclusive answer," he says.

From BBC • Apr. 6, 2026

For a long time, people’s experience of the internet has been shaped by SEO and the tactics companies use to boost their rankings.

From The Wall Street Journal • Mar. 22, 2026

For instance, with traditional SEO, getting a single link from a very authoritative site meant more for ranking purposes than hundreds of mentions on other sites.

From The Wall Street Journal • Mar. 22, 2026

In some ways, this is an evolution of SEO, or search engine optimization—the strategies companies have been using for decades to appear atop Google results.

From The Wall Street Journal • Jan. 30, 2026

Believers this year packed funding rounds for a swarm of startups selling answer engine optimization, or AEO, also known as generative engine optimization, which they argue requires different tactics than SEO.

From The Wall Street Journal • Dec. 18, 2025