Abbreviations and acronyms
Understanding how web search engines work

SEA: search engine advertising, or référencement payant: purchase of keywords from search engines, to ensure good positioning of sites in results pages.

SEO: search engine optimization, or natural referencing: refers to techniques for referencing a site without using paid referencing.

SERP: search engine result pages. Present the results found by the search engine, ranked according to relevance algorithms.