A meta description won’t rank your page — Google has said so directly — but it heavily influences whether someone clicks it. It’s the sales line under your title in search results. Get it right and you lift click-through rate on rankings you already have; leave it blank and Google writes its own, often awkwardly.
The ideal meta description length
Aim for roughly 120–155 characters. Google truncates descriptions around 155–160 characters on desktop (fewer on mobile), so front-load the important part. Too short and you waste the space; too long and your call-to-action gets cut off mid-sentence.
What a good meta description includes
- The primary keyword, naturally — Google bolds matching terms, which draws the eye.
- A clear benefit — what the reader gets by clicking.
- A soft call to action — ‘learn how’, ‘compare’, ‘see examples’.
- Something specific — a number, a differentiator — that a competitor’s bland line won’t have.
Common mistakes to avoid
- Duplicate descriptions across many pages — each should be unique.
- Keyword stuffing — it reads as spam and helps nobody.
- Leaving them blank — you hand control of your snippet to Google.
- Ignoring intent — the description should match what the searcher wants, not just what the page sells.
Tip: Google doesn’t always use your meta description — it may generate one that better matches the query. That’s fine. Write a strong description for your primary intent, and let Google adapt for the long tail.
Fixing missing and duplicate descriptions at scale
On a large site, the problem isn’t writing one great description — it’s the hundreds of pages with missing or duplicate ones. An audit surfaces exactly which pages are affected, and AI can draft optimised, on-brand descriptions for all of them at once, respecting the character limit and target keyword.
Frequently asked questions
How long should a meta description be?
Around 120–155 characters. Google truncates near 155–160 on desktop, so front-load the key message and call to action.
Do meta descriptions affect SEO?
Not rankings directly, but they strongly influence click-through rate on the rankings you already have — which matters.
What happens if I don’t write a meta description?
Google generates one from the page content. It’s often serviceable but rarely as compelling as a purpose-written line, and you lose control of your snippet.