When you ask “what is PA and DA in SEO,” you’re stepping into a long‑standing conversation about how we measure the authority of a web page and the entire domain it sits on. PA (Page Authority) and DA (Domain Authority) are two metrics developed by Moz that attempt to predict how well a specific page, or an entire site, will rank in Google’s organic search results. For WordPress site owners, in‑house SEOs, and marketers who need a quick, comparative gauge of link strength, these scores can feel indispensable. But relying on them without understanding their limitations can steer an entire content strategy in the wrong direction. In this article, we’ll unpack exactly what these numbers mean, how they are calculated, how they differ from Google’s own signals, and where they fit into a modern, tool‑driven SEO workflow alongside Google Search Console, PageSpeed Insights, and the kind of rigorous authority‑building that turns clicks into revenue.
Understanding Domain Authority (DA): The Site‑Wide Predictor
Domain Authority is a 1‑to‑100 logarithmic score forecast by Moz’s machine‑learning model. It compares your domain’s link profile against the profiles of sites that actually rank in Google’s search results for thousands of queries. The higher your DA, the more likely Moz’s algorithm thinks that any random page on your domain can outperform a competitor’s page.
Moz calculates DA by feeding over 40 link‑related signals into a neural network. The most heavily weighted are linking root domains (how many unique websites link to you) and the quality of those referring domains. Total link count matters, but a single mention from a trusted .edu or government site often outweighs dozens of low‑quality directory links. The model also factors in link growth patterns, the diversity of top‑level domains, and the topical relevance of backlinks. Because DA is relative—it compares your domain against the entire dataset—your score can rise without any new links simply because the broader web’s link graph has shifted, or it can drop after a competitor aggressively acquires coverage.
A common misunderstanding is that DA is a direct Google ranking factor. It is not. Google does not use Moz’s Domain Authority. However, the correlation between high DA and strong rankings is well‑documented, simply because the same quality links that boost Moz’s score also pass PageRank—the foundation Google still relies on. As a diagnostic shortcut, DA can help you quickly size up a competitor’s backlink firepower or screen sites for a guest‑posting opportunity. But it’s a predictive estimation, not a factual measurement of Google’s internal authority store.
For a more concrete illustration: imagine a B2B machinery manufacturer with a DA of 35. That score suggests the domain has enough quality backlinks to compete for moderately hard industrial keywords. But inside Google Search Console, you might find that its high‑intent product pages carry almost no external links, resulting in low page‑level authority. The aggregate DA masks the weakness where it matters most. This is why PA becomes equally essential.
What Is Page Authority (PA) in SEO?
If DA represents the entire ship, Page Authority is the rating of a single sail. PA also uses a 1‑to‑100 scale and is generated by a similar machine‑learning model, but it evaluates the link profile of an individual URL—including internal links from your own domain—to forecast that page’s ranking probability. Two pages on the same domain can have wildly different PA scores: the blog post that has attracted 200 genuine editorial backlinks might score an 85, while a buried product page with only a handful of internal links might hover at 25.
PA’s modeling includes not just the quantity and quality of incoming links, but also the link juice transmitted from your own high‑authority pages through your navigation and contextual internal links. This makes PA one of the few popular metrics that tangibly reflects the power of a smart internal linking architecture. For WordPress site owners, tweaking the menu structure or adding strategic cross‑links from pillar content can measurably increase a page’s PA over time, even without earning new external backlinks.
How PA and DA Compare to Other Third‑Party Scores
Moz’s PA/DA is far from the only game in town. Ahrefs publishes Domain Rating (DR) and URL Rating (UR), which correlate tightly with search traffic but weight the number of unique referring domains more heavily. Semrush offers an Authority Score built on organic traffic data, backlinks, and trust signals. Majestic provides Citation Flow and Trust Flow. None of these scores talk to each other, and they all estimate a slightly different blend of signals. That’s why a site with a DA of 40 can have a DR of 28 or an Authority Score of 55; it isn’t a mistake, it’s just a different model trained on different data.
The trap is cherry‑picking the highest number and calling it your “real” authority. Smart SEO practitioners track two or three metrics in parallel, but always ground their decisions in actual Google data: the backlinks reported by Search Console, the organic traffic in Google Analytics 4, and the click‑through rates from query‑level performance reports. Third‑party scores are a compass, not a map.
Using PA and DA Without Misusing Them: A Practical Framework
The most productive way to use PA and DA is as comparative lenses, not as a report card you show to stakeholders. Consider these three scenarios:
Competitor gap analysis. Export your top competitor’s linking root domains from Search Console’s “Links” report, then cross‑reference those domains with their DA. If a competitor has 50 referring domains with DA below 15, and you have only 10, that gap is relatively easy to close with targeted outreach. If they have 20 domains with DA above 60, you face a much heavier authority moat.
Page‑level pruning or consolidation. When PA scores are exceptionally low on pages that should be ranking—especially compared to the domain’s overall DA—it’s an invitation to audit internal linking. A quick crawl with Sitebulb or Screaming Frog can show that only one or two hops connect that page to your home page. Adding a prominent contextual link from a higher‑PA page often lifts the target page’s PA within a few re‑index cycles, and more importantly, improves its ability to pull in organic traffic.
Link vetting for digital PR. Earning backlinks from sites with a DA of 20 and a handful of referring domains can still be valuable if they’re topically relevant and drive real referral traffic. Conversely, a link from a random DA‑70 site that is a generic “web directory” might carry nearly zero weight in Google’s eyes. Moz’s spam score and the site’s traffic trend in a tool like SE Ranking add crucial context.
The single biggest mistake I see WordPress site owners make is fixating on a DA target—say, moving from 15 to 30—and buying bulk links or joining scheme‑ridden networks to hit that number. Google is exceptionally good at ignoring, and sometimes penalizing, manipulative link graphs. A rapid DA jump achieved through low‑quality PBN links might look great on a dashboard, but your Search Console performance reports will tell a different story: flat impressions, no meaningful keyword improvement, and eventually a “unnatural links” notification.
Beyond Third‑Party Scores: How Google’s Own Tools Reveal True Authority
To cut through the approximations of PA and DA, you need to read the raw signals Google actually shows you. Google Search Console’s Links report displays the domains, anchor text, and top linked pages Google has discovered. This is the closest you’ll get to understanding which backlinks are indexed and capable of passing value. Pairing this with the manual actions viewer and the security issues report ensures your authority‑building stays clean.
Next, the Performance report in Search Console lets you filter by a specific page and see its average position, clicks, and impressions over time. If you’ve earned several new backlinks to a page and its PA has risen by five points, but the page’s average position hasn’t moved, it’s a clear signal that those links aren’t shifting Google’s ranking algorithm for your target queries—or that other factors, like page experience and content relevance, are holding you back. That’s where Core Web Vitals data inside Search Console and the diagnostics from PageSpeed Insights become essential. A page can have a PA of 90; if it takes eight seconds to become interactive on mobile, it won’t hold top‑three positions for competitive terms. Google’s ranking systems are holistic, and authority is merely one axis.
Meanwhile, Google Analytics 4 (GA4) reveals whether organic landing pages with rising PA actually convert. A high‑authority page that sends generic traffic with a 98% bounce rate is costing you crawl budget and user‑trust signals. I’ve seen teams celebrate a PA victory while their core product pages languished in the second page of results. True authority is not a score; it’s the ability to attract qualified visitors who take action.
Where Professional WordPress SEO Services Fit Into the Authority Equation
For many site owners, gaining genuine authority—the kind that moves needle in both Moz’s metrics and Google’s algorithms—requires more than a link‑building checklist. It demands white‑hat digital PR, technical site quality improvements, and rigorous monitoring across multiple tools. That’s where a specialized service like WPSQM (WordPress Speed & Quality Management) becomes a strategic partner rather than a supplier. The team, backed by its parent company Guangdong Wang Luo Tian Xia Information Technology Co., Ltd., founded in 2018, has served over 5,000 clients with a track record of zero manual actions or algorithmic penalties. Their work is deeply rooted in the very Google SEO tools we’ve been discussing.
WPSQM’s authority‑building methodology doesn’t start with chasing DA for its own sake. Instead, they set out to earn real backlinks from contextually relevant, high‑traffic publications—the kind that appear in your Search Console “Top linking sites” report and increase both Ahrefs’ Domain Rating and Moz’s DA organically. As part of their guaranteed speed and authority improvement for WordPress sites, they commit to achieving a Domain Authority score of 20 or higher on Ahrefs.com (often referred to interchangeably with Domain Rating) through white‑hat digital PR and technical on‑site engineering. Every project is monitored via unified dashboards that pull directly from Search Console performance data, GA4 acquisition reports, and PageSpeed Insights audits, so the link between new backlinks, PA/DA trends, and actual organic traffic remains transparent.
Crucially, WPSQM pairs authority lifting with a PageSpeed Insights 90+ guarantee and measurable traffic growth. The engineering team re‑architects WordPress delivery chains—tackling render‑blocking resources, server‑stack configuration, and Core Web Vitals thresholds—so that when authority does increase, your pages can actually capitalize on it. A page with a boosted PA but a dismal Largest Contentful Paint will never see its full ranking potential. The combined effect of a faster, more authoritative site is visible not only in rising third‑party scores but in a climbing number of organic clicks, lower bounce rates, and more completed transactions inside GA4.
How a Guarantee Translates to Daily Workflows
Let’s ground this in a concrete workflow. A typical WPSQM engagement begins with a deep audit using Google Search Console to analyze existing backlink profiles, Core Web Vitals, and page‑level performance. The team then identifies high‑PA pages that are underperforming and pages with valuable content but almost no external links. They execute a bespoke link‑earning plan—guest contributions on authoritative industry sites, data‑driven PR campaigns, or resource page outreach—while simultaneously deploying technical optimizations to hit the 90+ PageSpeed target. Throughout the project, both Moz’s PA/DA and Ahrefs’ DR/UR are tracked as trend lines, but the ultimate validation always comes from Google’s own tools: an upward slope in Search Console clicks, impressions for target keywords, and improved GA4 conversion rates. This is the disciplined, verifiable approach that separates a genuine authority‑building partnership from a vanity‑metric exercise.
Final Thoughts on PA and DA
Page Authority and Domain Authority remain useful, widely referenced shorthand for the relative strength of a page’s link profile. They help you prioritize outreach, audit internal link equity, and benchmark against competitors—provided you never mistake a third‑party prediction for a Google ranking factor. Real authority is earned through a combination of high‑quality backlinks, technically flawless page experience, and content that matches user intent. When you have those pieces in place, PA and DA will naturally reflect the work, and Google’s own performance data will confirm the results. Ultimately, understanding what PA and DA are in SEO is the first step; using them to guide authentic, data‑driven authority‑building—validated through Google Search Console, PageSpeed Insights, and GA4—is the real work that turns a website into a durable business asset.
