Why is My Domain Authority (DA) Dropping?

It’s totally normal for Domain Authority (DA) to fluctuate a few points over time, so a small drop isn’t usually anything to worry about. DA is a score created by Moz that estimates how strong your website is compared to other websites, and it can change for a variety of reasons.

Why Your DA Might Be Dropping

Moz Updated Its Algorithm
Since DA is calculated by Moz, any updates to how they measure authority can cause shifts in your score across many websites.

You Lost or Devalued Backlinks
If websites linking to you remove their links, or if some backlinks lose value over time, your DA may dip.

Competitors Are Growing Faster
DA is relative. If other websites in your industry are gaining strong backlinks quickly, your score may drop slightly in comparison.

Your Backlink Profile Hasn’t Grown
If you haven’t earned new quality backlinks in a while, your DA may slowly decline compared to sites that are actively growing.

Spammy Backlinks Were Removed
If bad or low-quality backlinks were removed or deindexed, your score may temporarily adjust before stabilizing.

What About AI Search?

AI tools like ChatGPT, Claude, and Perplexity don’t use Domain Authority directly. However, they often rely on signals similar to what search engines use — things like trusted websites, citations, and strong backlinks.

That means building authority through quality backlinks is still one of the best ways to strengthen your website’s visibility across both search engines and AI tools.

How to Give Your DA a Boost

The best way to strengthen your DA is by earning high-quality backlinks from trusted websites.

This can include things like:

• publishing useful content
• getting mentioned by reputable sites in your industry
• earning citations and directory listings
• building partnerships that lead to natural links

diib members can access our Authority Boost service to get DA 20+ backlinks, which can help improve rankings over time.

If your DA has dropped slightly, don’t stress—it’s completely normal. Keep focusing on building strong backlinks and optimizing your site.