What is Meta Description

A meta description is a short snippet of text that appears below your page title in search results. It gives users a brief summary of what the page is about before they decide to click.

It sits in the HTML of your page inside a meta tag and is not visible on the page itself. Only search engines and the results page display it.

Does It Affect Rankings?

No. Google confirmed years ago that meta descriptions are not a ranking factor. Writing a better meta description will not move your page up or down in results.

What it does affect is CTR. A well-written description can be the difference between someone clicking your result or the one below it. Since your position is already set, the description is your last chance to win the click.

That makes it worth getting right.

How Long Should It Be?

Google typically displays around 150 to 160 characters before cutting the description off. There is no hard limit on what you can write, but anything beyond that range risks being truncated mid-sentence, which looks unprofessional and loses the message.

On mobile, the visible length can be shorter. Write your most important point first so it survives any cutoff.

What Happens When You Do Not Write One

Google will write one for you. It pulls a passage from the page that it thinks best matches the query.

Sometimes that works out fine. Other times it surfaces a random sentence that makes no sense out of context, a navigation label, or a fragment that gives the user no reason to click.

Writing your own description means you control that first impression. Leaving it blank means Google does.

What Makes a Good Meta Description

Match the search intent behind the page - If the page answers a specific question, the description should signal that clearly. If it is a product page, it should tell the user what they will find and why it is worth clicking.

Be specific, not generic - "Learn more about SEO tips and tricks" tells the user nothing. "Five on-page SEO fixes that take under an hour" tells them exactly what they are getting.

Include the target keyword naturally - Google bolds keywords in the description that match the user's search query. This makes your result stand out visually on the page and reinforces relevance.

Write it like a pitch, not a summary - You are competing against nine other results on the same page. The description should give someone a reason to choose yours.

Do not mislead - A description that overpromises and underdelivers pushes users back to the results page immediately. That hurts dwell time and signals to Google that the page did not satisfy the query.

One Thing Most People Get Wrong

Writing the same meta description for multiple pages. If your descriptions are identical or nearly identical across pages, Google is more likely to ignore them and rewrite them automatically. Each page should have a unique description that reflects what that specific page covers.

This also ties into duplicate content hygiene. While duplicate meta descriptions are not as serious as duplicate body content, they signal a lack of attention to detail and give Google less useful information to work with.

When Google Ignores Your Description

Even a well-written description does not always get used. Google rewrites descriptions roughly half the time, sometimes more. It happens when:

Google thinks a different passage from your page better matches the specific query
The description is too short, too long, or stuffed with keywords
The query intent shifts enough that your description no longer feels relevant

This is normal. Focus on writing a strong description as the default, knowing Google may override it for certain queries.

Meta Descriptions and Organic Traffic

A higher CTR from a better description means more visitors without any change in your ranking. For pages with high impressions but low clicks, rewriting the meta description is often the fastest lever available. Check Google Search Console for pages where impressions are strong but CTR is underperforming, and start there.

Related Terms

Title Tag - The clickable headline in search results. Works alongside the meta description to decide whether someone clicks your result.
CTR - The metric that meta descriptions directly influence. Clicks divided by impressions.
On-Page SEO - Meta descriptions are one part of the broader on-page optimisation process.
SERP - The search results page where meta descriptions are displayed.
Schema Markup - Structured data that can enhance how your listing appears in results, sometimes replacing or supplementing the meta description.