Why pixels matter more than characters
Most meta description tools count characters and tell you to stay under 160. That advice is close, but it is not how Google actually works: Google truncates snippets by pixel width, around 920px on desktop and 680px on mobile. A 155-character description packed with wide letters can get cut off while a 165-character one full of narrow letters fits fine.
The preview above measures your text with the same font Google renders snippets in (Arial, 14px), so the truncation point you see is the truncation point searchers will see. Check both the desktop and mobile toggles: mobile cuts roughly 25% earlier, and for most sites mobile is the majority of impressions.
What a meta description actually does
The meta description is the gray text under your title in Google's results. It lives in your page's <head> as <meta name="description" content="...">. It is not a ranking factor (Google has said so directly), but it is your ad copy on the results page. Two pages ranking #3 and #4 for the same query can see wildly different traffic purely because one description gives people a reason to click and the other recites keywords.
One caveat worth knowing before you polish every word: Google rewrites most descriptions. Ahrefs studied 192,000 pages and found Google replaced about 63% of them with text pulled from the page itself. The fix is not to skip the tag. It is to write a description that directly answers the query your page targets, because that is exactly the kind of description Google keeps.
A formula that works
Strong descriptions almost always contain the same three ingredients, in roughly this order:
- The keyword, early. Google bolds words that match the query, and bold text pulls the eye. Use the primary keyword field above to see this in the preview.
- A concrete reason to click. Not "high-quality solutions" but a specific claim: "we tested 24 pairs," "takes 5 minutes," "with free templates." Specificity is what separates a description people click from one they skim past.
- A next step. A short closing action like "See the top picks" or "Get the checklist" tells searchers what happens on the other side of the click.
Before and after
Weak: "We offer a wide range of high-quality running shoes for all your running needs. Our running shoes are the best running shoes available online." Keyword stuffing, no specifics, no reason to choose this result over the other nine.
Strong: "Find the right running shoes for your first 5K. We tested 24 pairs for comfort, price, and durability. See the top 6 picks and what to avoid." Keyword up front, a concrete methodology, a specific promise, and it fits within the mobile pixel limit.
Five mistakes that quietly kill your click-through rate
- Duplicating the title. The description sits directly under the title, so repeating it wastes your only other line of pitch. Add new information: proof, scope, or outcome.
- Keyword stuffing. Google bolds matching terms once; a description that reads "running shoes, best running shoes, cheap running shoes" signals spam to humans, who are the ones clicking.
- Front-loading the brand. "Acme Inc. is a leading provider of..." spends your widest, most-read pixels on the part searchers care about least. Lead with their problem.
- Writing for desktop only. Mobile cuts roughly 240 pixels earlier. Put the payoff in the first ~100 characters so the mobile version still makes the case.
- Vague superlatives. "High-quality solutions for all your needs" could describe anything, so it sells nothing. One concrete number beats three adjectives.
Do meta descriptions still matter in the AI search era?
More than before, in two ways. First, classic blue-link results still make up the bulk of search clicks even on pages with AI Overviews. And when fewer clicks are available, winning the click you are shown for matters more, not less. Second, your description is one of the clearest signals of what a page covers, and AI search engines (Google's AI Mode, ChatGPT search, Perplexity) read it when deciding what your page is about and whether to cite it. A precise, answer-first description is exactly the summary you want machines repeating.
Meta descriptions at scale
Writing one great description takes two minutes. Writing them for two hundred pages, and for every new post you publish, is where teams fall behind, and where Google ends up writing your snippets for you. Soro writes, optimizes, and publishes SEO content on autopilot, titles and meta descriptions included. See how it works.