You're overcomplicating this. here's the thing about DA and DR - they're not Google metrics, full stop. Google's been crystal clear: their algorithms don't use any third-party single-score "authority" number. they rank pages based on hundreds of signals like relevance, user experience, and search intent. if you're scoring a site on its DA alone, your measurement framework is outdated.
google runs on AI now. Treating it like a static search engine from 2015 is a mistake. Yes, backlinks matter - but relevance and genuine traffic potential trump the domain rating of where the link sits. A bunch of links with identical anchor text pointing to the same page? Google sees that as manipulation, not a strong signal. and the "we have tons of content" argument? Doesn't work. More doesn't equal better. Most content out there is commodity content - generic, interchangeable, written to please an algorithm. Google's search liaison has said outright: stop publishing that stuff. If your content looks like a carbon copy of the top ten results, AI Overviews and the core algorithm will skip it.
What actually works? content with a unique angle, original data, case studies, or clear firsthand expertise. A byline backed by real experience - not just a domain name - helps Google trust the source. author schema with actual authority matters more than a high DA.
my advice: go through that mountain of content and split it into three buckets. bucket one: thin, low-value pages - redirect them to something more authoritative. bucket two: content that just needs updating with some personal experience or fresh authority added. Bucket three: high-potential pieces that already have case studies or unique insights - give them a refresh date and resubmit them. stop chasing an imaginary score and start proving your expertise page by page