What Is a Meta Description? Writing Snippets That Earn the Click
A meta description is an HTML element in a page’s <head>, written as <meta name="description" content="...">, that summarizes the page. Visitors do not see it on the page; its work happens in search results, where Google may use it as the snippet under the title link. Google has said it does not use the description for ranking (see its 2009 statement below). What it can affect is whether a searcher who sees the result decides the page is worth opening, so it is written for that person.
Where the Snippet Comes From
Google’s snippet documentation is clear that the description is not the default: “Snippets are primarily created from the page content itself. However, Google sometimes uses the meta description HTML element if it might give users a more accurate description of the page than content taken directly from the page.” The snippet can change with the query, so the same page may show your description for one search and a passage from the page for another.
On rankings, Google wrote in a 2009 post: “Even though we sometimes use the description meta tag for the snippets we show, we still don’t use the description meta tag in our ranking.”
Length
Google sets no length limit: “There’s no limit on how long a meta description can be, but the snippet is truncated in Google Search results as needed, typically to fit the device width.” The space depends on the device width, so no character count fits every screen. The practical rule follows from truncation: put the most useful information first, so that a cut-off description still says what the page offers.
What Google Asks For
- One description per page. “Identical or similar descriptions on every page of a site aren’t helpful when individual pages appear in search results.” Google suggests site-level descriptions for the home page and other aggregation pages and page-level descriptions everywhere else.
- Facts, not keyword lists. Descriptions “comprised of long strings of keywords don’t give users a clear idea of the page’s content, and are less likely to be displayed as a snippet.”
- Clearly separated details where the page has them, such as author, price, or length for a product.
- A summary of the whole page. Google’s examples contrast a description that does not summarize the page with one that does, such as a guide described by what it teaches.
If you cannot write a description for every page, Google’s advice is to “prioritize your content; at the very least, create a description for the critical URLs like your home page and popular pages.”
Writing One That Earns the Click
- Add what the title cannot fit. If the title names the topic, the description can say how many options are compared, what the key condition is, or what the reader will be able to do.
- Match the search. A how-to page should show that it answers the question; a product page should say what is sold and, where relevant, at what price.
- Use a concrete detail you can stand behind: a number, a time frame, a feature. Phrases such as “everything you need to know” describe nothing.
- Leave out urgency you cannot support. “Click here now” is filler; a reason to click is information.
| Weak | Better |
|---|---|
| Sewing supplies, yarn, colored pencils, sewing machines, threads, bobbins, needles | Get everything you need to sew your next garment. Open Monday-Friday 8-5pm, located in the Fashion District. |
| Eggs are a source of joy in everyone's life | Learn how to cook eggs with this complete guide in 1 hour or less. We cover all the methods, including: over-easy, sunny side up, boiled, and poached. |
Both pairs are Google’s own examples from its snippet documentation. The first replaces a keyword list with what the shop offers, when it is open, and where it is; the second replaces a line that says nothing about the page with what the guide covers. Each finished description works only if the page delivers it: the hours and location have to appear on the shop’s page, and the guide has to cover the methods it names.
Descriptions at Scale
Hand-writing works for a blog or a small service site, not for a catalog of thousands of products. For that case Google says “programmatic generation of the descriptions can be appropriate and are encouraged,” and adds: “Page-specific data is a good candidate for programmatic generation.” A template works when it pulls in real attributes, such as the product’s material, size range, or price, so that two descriptions from the same template do not read alike. A city or service area belongs in a description when the page is about that place.
Controlling or Suppressing Snippets
Google documents three controls. The nosnippet meta tag prevents a snippet from showing; max-snippet:[number] sets a maximum length; and the data-nosnippet attribute keeps specific parts of a page out of snippets.
Measuring Whether a Description Works
The Performance report in Search Console shows impressions, clicks, and click-through rate by page and query. A page with many impressions and a click-through rate below similar pages at similar positions is a candidate for a new title or description. Change one element at a time, note the date, and compare equal periods before and after; pages with fewer impressions need a longer period before the comparison means anything.