What Are Meta Descriptions And How to Write Them [Free Tools Inside] - Moz

What Are Meta Descriptions And How to Write Them

Updated by Chima Mmeje — March 24, 2025.

What is a meta description?

A meta description element is a short snippet that summarizes a webpage’s content. It appears below the title in search engine result pages (SERPs) and helps users decide whether to click.

Meta descriptions also appear in social media previews, making them essential for attracting attention. However, search engines may sometimes replace your meta description with your page content if it matches a user’s query better.

Why do meta descriptions matter for SEO?

Although meta descriptions may not directly impact search engine rankings, they play a key role in driving traffic and improving user engagement by influencing how your webpage appears in search engine results.

Here’s why they matter:

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Meta description examples

Having a relevant meta description that aligns with the content and target keywords is crucial. It summarizes the page's content and influences click-through rates by showing relevant keywords bolded in search results, which can indirectly impact search rankings.

For example, a mobile phone user might sometimes see a meta description of a different length than a laptop user. Here's an example of Google showing an ellipsis (...) where it is truncating a SERP entry's meta description after the word “see”:

Example of meta description in SERPs

The meta description appears as part of your SERP snippet, just below the page’s link and clickable title tag. In this example, the words after the date are what Google is showing as a meta description tag for this nature website in Scotland:

Example of meta description on social media

Links shared on social media will often pull the meta description as part of the linked-to content, as in the tweet below, where the text starting “The lumberjack-hydrologists” is being brought in from the metadata of this news article.

What are the characteristics of a great meta description?

To create a meta description that stands out and drives clicks, keep these key characteristics in mind:

Common meta description mistakes

Effective meta descriptions require avoiding common pitfalls that hurt your click-through rates and user trust. Here are the mistakes you should steer clear of:

How to write effective meta descriptions

Writing a great meta description requires balancing clarity, engagement, and SEO principles. Think of it as your elevator pitch—a concise, compelling summary that convinces searchers why they should click your link.

While it may not be a direct ranking factor, it significantly impacts click-through rates by enticing users to click on your link within search results.

Follow these steps and tips to create descriptions that drive traffic and trust:

Understand search intent

A good meta description directly aligns with searchers’ intent and offers a unique perspective that encourages clicks from search engine users.

To write an effective meta description, identify the problem your users are trying to solve, the type of information they need, and how your page provides the solution. Then, analyze competitors’ meta descriptions to find opportunities to stand out.

Use primary keywords

Incorporate your primary keywords naturally to signal relevance to both search engines and users. Tools like Google Search Console can help you identify the keywords your audience is searching for. Avoid keyword stuffing—your description should feel natural and engaging.

Add a CTA

Encourage users to act with CTAs like:

Keep it engaging and clear

Write in a conversational tone that directly addresses the reader. Make it easy to understand and avoid robotic or overly complex language. Your meta description is your "elevator pitch"—use it to describe your unique value proposition (UVP) in as few impactful words as possible.

Use analytics

Even the best-written meta descriptions may need adjustments over time to stay effective. Analytics tools can help you identify what’s working and where improvements are needed.

Optimize for SERPs and social media

Meta descriptions serve a dual purpose: they appear in search engine result pages (SERPs) and as previews when sharing links on social media platforms.

They act as summaries when your page is shared on platforms like Facebook, LinkedIn, or Twitter and determine whether users click to learn more.

Additional tips for writing meta descriptions

Tools for generating and managing meta descriptions

There are several tools available for managing meta descriptions, each offering unique features to help you optimize this crucial SEO element:

Conclusion: Use meta descriptions to drive higher click-through rates on SERPs and social media

Write concise, engaging, keyword-rich, and user-focused descriptions. Test and refine underperforming meta descriptions using analytics tools to improve results. By optimizing meta descriptions, you can boost traffic and deliver the right message to your audience.

Frequently asked questions about meta descriptions

What is the optimal meta description length?

Meta descriptions should be between 50–160 characters or around 680 pixels. Search engines may truncate them based on the device, so always preview them for desktop and mobile.

What is an example of a meta description?

A good example for this post would be: "Learn how to write the perfect meta description to boost your site's visibility and click-through rates."

Where is the meta description located?

In a website’s code, they are found in the section of the HTML. Most CMS platforms have fields to input them for each page.

Is a meta description important for SEO?

While meta descriptions don’t directly affect rankings, they indirectly influence SEO by improving click-through rates (CTR) and user engagement.

What is the best meta description?

The best meta description matches search intent, uses relevant keywords, and includes a clear call-to-action to encourage users to click.

How do meta descriptions affect CTR?

Meta descriptions act as an "elevator pitch" for your page, aligning with search intent and persuading users to click by providing relevant information.

Why won’t Google use my meta description?

Google might rewrite your meta description if:

Should I still write meta descriptions if Google rewrites them?

Yes, because: