While meta descriptions are not a direct ranking factor in Google's algorithm, they are critical for user engagement and click-through rate (CTR). A well-written meta description acts as an organic ad copy, convincing the searcher to click on your result instead of a competitor's. If you do not provide a meta description, or if Google deems your description irrelevant to the searcher's query, Google will automatically extract a snippet of text from the page to display instead. Best practices involve keeping them under 155-160 characters to avoid truncation and including a clear call to action.
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