Is the description always shown in search?
No. Google creates snippets automatically, usually from page content, and sometimes uses the meta description when it offers a better summary. A page can have different snippets for different searches. See Google’s snippet documentation.
That makes the description one part of the page’s presentation. It cannot compensate for a page that fails to explain the subject clearly in its visible text.
Write a specific, accurate summary
First identify what someone can find on the page. Then add one or two details that help them decide whether to visit. For a business page, that might be the service area, available options or the information needed to request a quote.
Imagine a fictional laundry’s curtain-cleaning page. “Professional quality solutions for all your needs” says very little. A more useful summary could be: “Explore curtain cleaning in Petaling Jaya, including fabric checks, collection arrangements and the details needed for a quote.”
Use that wording only if the page covers those points. A helpful preview should not promise collection when customers must deliver the curtains themselves.
Adapt it to the page’s purpose
- Service page: Name the service and explain what the visitor can learn or do.
- Product page: Describe the specific product and a relevant feature or option.
- Article: Identify the question answered and the practical scope.
- Location page: Describe the actual branch and useful visiting information.
For an article about curtain care, focus on the advice. Do not reuse the sales description from the cleaning service page just because both mention curtains.
How long should it be?
Google does not specify a fixed maximum length for a meta description. Displayed snippets are shortened as needed to fit the available space. A preview tool can help with editing, but it cannot promise the exact live appearance.
Make the opening useful on its own. Remove repeated claims, unnecessary slogans and long lists of locations. If you need several sentences to explain the page’s purpose, check whether you are trying to summarise too many unrelated subjects.
Review it before publication
- Compare the description with the actual page content.
- Remove promises the page does not fulfil.
- Check names, service areas and any time-sensitive details.
- Make sure another page does not use the same generic summary.
- Review the page title alongside it.
Keep a note of changes. When evaluating results, compare similar periods and relevant pages. A change in clicks alone does not establish that the description caused it; the query mix and other search results may have changed too.