What is a meta description?

A meta description is the short HTML summary of a page that search engines often show beneath the title tag in results. It gives searchers a preview of what the page offers before they click.

It is a small but useful part of on-page SEO. It will not rank your page by itself, but it influences whether people choose your result over the others on the page.

Do meta descriptions affect ranking?

Not directly. Google has said the meta description is not a ranking factor. Its value is indirect: a clear, compelling description improves click-through rate, and more clicks from the right searchers means more qualified traffic.

So treat the meta description as advertising copy for your result, not as a place to rank. Its job is to earn the click that the title started.

How to write a meta description that earns clicks

Write for the searcher, and promise what the page delivers.

  1. Match the intent. Speak directly to what the searcher wants, using their language.
  2. Lead with the benefit. State what the reader will get, early.
  3. Include the keyword naturally. Google bolds matching terms, which draws the eye, but do not stuff.
  4. Add a light call to action. A nudge like “learn how” or “see the steps” can help.
  5. Keep it accurate. Never overpromise, since a mismatch increases bounce and erodes trust.
  6. Make each one unique. Every important page deserves its own description.

How long should a meta description be?

Google typically displays around 150 to 160 characters, though it varies by device and query. Keep the key message within that range so it is not cut off. As with titles, treat this as a display guideline, not a strict limit.

When Google rewrites your description

Google frequently replaces meta descriptions with text pulled from the page, especially when it thinks a different passage better matches the query. You cannot prevent this, but writing a strong, relevant description makes Google more likely to use yours, and ensures the page reads well if it pulls its own snippet. Google covers this in its documentation on controlling your snippets.

Common meta description mistakes

  • Leaving it blank, so Google guesses with whatever text it finds.
  • Duplicating the same description across many pages.
  • Writing for keywords instead of the searcher.
  • Overpromising, which raises bounce and disappoints readers.

Frequently asked questions

Should every page have a meta description?
Write one for every important page, especially those with high impressions but low click-through. For very large sites, prioritize the pages that matter most.

Why does Google show a different description than mine?
Google rewrites descriptions when it believes another passage better matches the query. A clear, relevant, well-sized description improves the odds it uses yours.

Do meta descriptions help with AI search?
They help by improving click-through and by clearly summarizing the page, which supports how both search engines and AI systems understand your content.

Part of our complete on-page SEO guide.

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