Google officially confirmed that the meta description is not a direct ranking factor. So why does it matter so much? Because it determines whether the user clicks on your result or not. A result in position 3 with a well-written description can generate more traffic than the result in position 1 with a generic or missing description.
The correct length for a meta description
Like the title, Google limits meta descriptions by pixels, not characters. The approximate limit is 920 pixels, which equates to about 155–160 characters on desktop. On mobile, the limit is slightly shorter.
| Length | Result |
|---|---|
| < 70 characters | Too short: Google may fill in with text from the page |
| 70–155 characters | Optimal for desktop and mobile |
| 155–170 characters | May display fully or be truncated depending on device |
| > 170 characters | Gets truncated with "..." — the message is cut off |
Google rewrites the meta description in 70% of cases, according to a study by Portent. This does not mean it is not worth writing one — Google uses your description when it considers it more relevant to the search than the page text.
When Google rewrites the meta description
Google generates its own snippet (the description in the result) when it considers that the text on your page answers the user's search intent better than your meta description. This happens more frequently when:
- •Your meta description does not contain the keyword the user searched for.
- •Your meta description is generic and not specific to the page's content.
- •The page content has a passage that directly answers the user's query.
- •Your meta description is too short or too long.
The implication: the more specific and aligned with search intent your meta description is, the more likely Google is to use it exactly as written.
How to write an effective meta description
Include the main keyword (but naturally)
Google bolds words in the description that match the user's search. If your description includes the keyword, it will stand out visually in the result — increasing CTR. Do not repeat the keyword; incorporate it naturally into the description.
Include a call to action (CTA)
Descriptions with clear CTAs have higher CTR. Do not use generic CTAs ("Click here," "Learn more"). Use specific CTAs that tell the user what they will find: "Learn step by step," "Compare the top 5," "Download free," "Analyze your site in seconds."
Differentiate each page from the others
If you have two pages in the same SERP with similar descriptions, the user does not know which to choose. Each description should answer: "What does this page do better or differently than the others?"
Meta description formulas by page type
Articles and guides
[What you will learn] + [Why it matters] + [Specific CTA]. Example: "Learn how to implement hreflang correctly in WordPress, Shopify, and Next.js. Includes common errors and how to detect them. Validate your configuration for free."
Product pages
[Name + key feature] + [Main benefit] + [Urgency/Differentiator] + [CTA]. Example: "Pro Running Shoes X200 with reactive cushioning sole. Free shipping in 24h. Available in sizes 6–14. Buy now with free returns."
Service pages
[Service] + [For whom] + [Concrete result] + [CTA]. Example: "Technical SEO audit for WooCommerce stores. We detect indexing, speed, and schema errors slowing down your rankings. Request a free quote."
Meta descriptions you should NOT write
- •Identical descriptions on multiple pages: the most common issue in CMS templates. Each page needs its own description.
- •Descriptions that do not reflect the content: if the description promises something the page does not deliver, it increases bounce rate and indirectly hurts SEO.
- •Descriptions with quotes: some CMS systems do not properly escape double quotes in the content attribute, breaking the HTML.
- •Copying the first paragraph of the page as the description: that is what Google does when it finds no description. You can do better.
Preview how your description looks in the SERP
iRankly's Meta Tags Previewer shows you in real time how your meta description will appear in Google results on desktop and mobile. You can adjust the text until it fits perfectly in the available space.
Try the tool for free
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