What is Domain Authority?

DA is calculated almost entirely from your link profile: how many other websites link to your store, and how authoritative those linking sites are themselves. A store that has earned links from many established, relevant sites will have a higher DA than a store with few links, regardless of how good either store’s product pages are.

That means DA is a measure of your site’s reputation on the web — not a grade on your content, your design, or your products.

No. Google has repeatedly said it has no single “authority” score. DA is Moz’s independent estimate of ranking ability, built by studying what actually ranks. Treat it as a thermometer, not a lever: it summarizes your link reputation, but improving it is done by earning links and rankings — not by optimizing “for DA.”

DA only means something as a comparison. A DA of 13 sounds low next to a big brand at 70+, but big marketplaces and household names have spent years accumulating links. Most small and mid-size independent stores sit well below the big brands, and that’s normal.

The comparison that matters is against your direct competitors — the stores that show up for the same searches you want to win. If your DA is close to theirs, you’re competing on even footing, and better page content can tip results your way. You can check any site’s DA, including competitors’, with Moz’s free Link Explorer.

The DA scale is logarithmic: climbing from 10 to 20 is far easier than climbing from 50 to 60. Links also take time to be discovered, crawled, and factored in. A DA that holds steady for a few months is not a sign that something is broken — it’s how the metric behaves for most stores most of the time.

DA can also change when other sites gain or lose links, because the score is comparative. Your number can drift a point or two without anything changing on your site at all.

CataSEO optimizes your on-page content — titles, meta descriptions, product and category copy. That directly improves your pages’ relevance for the specific searches shoppers use, which is what moves individual rankings.

On-page content doesn’t change your link profile overnight, so don’t expect an optimization batch to move DA the next week. The connection is longer-term: pages that rank better get found more, and content that answers shoppers’ questions well is what other sites link to. Rankings respond to optimization first; DA follows the links that better-ranking content earns.

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