If you’ve spent the last decade building backlinks, watching your Domain Authority (DA) climb, and reporting it in quarterly decks, the last 18 months have probably felt… confusing. Your rankings might still hold, but traffic is slipping. Meanwhile, competitors with smaller sites are suddenly showing up in ChatGPT, Perplexity, and Google’s AI Overviews. So the question comes up in every strategy call now: does Domain Authority actually matter anymore?