SERPとは、search engine result page
のこと。検索エンジンで検索した結果表示されるページ
(= 検索結果ページ)
のこと。
SERP関連ページ
Search engine results page - Wikipedia
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displayed by search engines in response to a query by a user. The main component of the SERP is the listing of results that are returned by the search engine in response to a keyword
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