If you’ve ever wondered why one blog post sits comfortably on page one of Google while another nearly identical post languishes on page five, part of the answer often comes down to page authority. It’s a concept that sounds abstract until you understand the mechanics behind it. Then it becomes one of the most practical diagnostic tools in your SEO toolkit.
I’m Jim Ng, founder of Best Marketing Agency, and I’ve spent years watching Singapore businesses obsess over the wrong metrics. Page Authority isn’t a vanity number. Used correctly, it tells you exactly where your pages stand competitively, where to focus your link building budget, and which battles are worth fighting. Let me break it all down.
What Page Authority Actually Measures
Page Authority (PA) is a score from 1 to 100, developed by Moz, that predicts how likely a specific URL is to rank in Google’s search results. Not your whole website. Just that one page.
Think of it like a hawker stall’s reputation. Your entire hawker centre might be famous (that’s Domain Authority), but each individual stall has its own following and credibility. A chicken rice stall with a Michelin Bib Gourmand has a different “authority” from the drink stall next door. Page Authority works the same way. Each URL earns its own score based on its own merits.
The score is logarithmic, which is a critical detail most guides skip over. Moving from PA 10 to PA 20 is relatively straightforward. Moving from PA 50 to PA 60 requires exponentially more effort. This means a competitor with PA 45 isn’t just “a bit ahead” of your PA 35 page. They’re significantly ahead, and closing that gap will take real, sustained work.
The Machine Learning Model Behind the Score
Moz calculates Page Authority using a machine learning model trained against actual Google search results. The model looks at dozens of link-based factors and finds the combination that best predicts which pages rank where. The two heaviest inputs are:
- The number of unique linking root domains pointing to that page (not just total links, but links from distinct websites)
- The quality and authority of those linking domains (a link from Channel NewsAsia carries far more weight than a link from a random free blog)
Moz periodically retrains this model, which is why you might see your PA score fluctuate even when you haven’t done anything. The algorithm got smarter, or the competitive landscape shifted. This is normal and not something to panic about.
What Page Authority Is Not
Let me be direct about this because I see confusion constantly. Page Authority is not a Google ranking factor. Google’s engineers do not look at your Moz score. They’ve never seen it. They don’t care about it.
PA is a third-party proxy. It’s built on signals that correlate strongly with what Google values, specifically your backlink profile. So when your PA goes up, it usually means the underlying signals that Google does care about have also improved. But the score itself has zero direct influence on your rankings.
This distinction matters because it stops you from gaming the wrong metric. Your goal isn’t to inflate a number on Moz’s dashboard. Your goal is to build the genuine link equity and content quality that PA happens to reflect.
Page Authority vs Domain Authority: Why You Need Both
I get asked this question at least once a week: “Should I focus on Page Authority or Domain Authority?” The answer is both, but for different reasons and at different stages of your SEO work.
Domain Authority: The Big Picture
Domain Authority (DA) measures the overall ranking strength of your entire website. It’s the aggregate reputation of every page under your domain. A high DA means Google generally trusts your site, and new pages you publish get a head start because they inherit some of that trust.
For a Singapore SME competing against established players like Lazada or HardwareZone in search results, understanding your DA gap tells you how much foundational work lies ahead. If your DA is 15 and your competitors average DA 55, you’re not going to outrank them on competitive keywords overnight, no matter how good your content is.
Page Authority: The Tactical View
Page Authority zooms in. It tells you whether a specific page, say your “accounting services Singapore” service page, has enough link equity to compete for its target keyword. You might have a DA of 30, but if that one critical service page has a PA of only 8 because nobody has ever linked to it directly, it’s going to struggle.
This is where I see the biggest missed opportunity for Singapore businesses. They invest in building overall domain authority through homepage links and brand mentions, but neglect to build links directly to the pages that actually generate revenue. Your homepage doesn’t need to rank for “corporate tax filing Singapore.” Your service page does. And that service page needs its own link equity.
A Practical Framework for Using Both
Here’s how I think about it in practice:
- Use DA for strategic planning. Compare your DA against the top 10 competitors in your niche. This tells you the overall investment required.
- Use PA for tactical execution. For each target keyword, check the PA of the pages currently ranking in positions 1 through 10. This tells you the specific link building effort needed for that page.
- Prioritise pages where the PA gap is smallest. If the top-ranking pages for “best CRM software Singapore” have PA scores between 25 and 35, and your page is at PA 18, that’s a winnable fight. If they’re all above 60 and you’re at 12, pick a different battle first.
Why Page Authority Matters for Singapore Businesses Specifically
Singapore’s search market has some unique characteristics that make page authority particularly useful as a diagnostic tool.
Small Market, High Competition Density
We’re a city-state with 5.9 million people. For many B2B and professional services keywords, there might only be 500 to 2,000 monthly searches. But there could be 50 or more businesses competing for those searches. This means the difference between ranking position 3 and position 13 often comes down to relatively small differences in page-level authority.
I’ve seen cases where improving a page’s PA by just 5 to 8 points, through targeted link building over 3 to 4 months, moved it from the bottom of page two to the top five results. In a market this concentrated, small gains in backlink quality translate directly to visibility.
Local Link Opportunities Are Underused
Most Singapore businesses I audit have almost no links from local, relevant sources. They might have a few directory listings, but they’ve never pursued links from industry associations like the Singapore Business Federation, local media outlets, or partner organisations.
A single link from a .gov.sg or .edu.sg domain can move the needle on your page authority more than 20 links from generic international blogs. These high-trust local links are available to anyone willing to put in the effort, yet most competitors aren’t pursuing them. That’s your advantage.
Multilingual Content Creates PA Fragmentation
If your site serves content in English, Chinese, and Malay, you might be splitting your link equity across multiple URL versions of the same page. Without proper hreflang tags and canonical signals, you could have three pages competing against each other instead of one strong page consolidating all authority. Checking PA across your language variants often reveals this problem immediately.
How to Increase Your Page Authority: A Practitioner’s Playbook
Forget vague advice like “create great content and the links will come.” Here’s what actually works, step by step, based on what we’ve implemented for clients across industries in Singapore.
Step 1: Audit Your Current Page-Level Link Profile
Before building anything new, you need to know what you’re working with. Open Moz Link Explorer, Ahrefs, or Semrush and pull the backlink report for the specific page you want to improve. Not your domain. The specific URL.
Look for three things:
- Linking root domains count. How many unique websites link to this page? If the answer is fewer than 5, you have significant room to grow.
- Link quality distribution. Are your existing links from relevant, trustworthy sites? Or are they from random directories and comment spam?
- Anchor text profile. What words do other sites use when linking to you? If 80% of your anchors are “click here” or your brand name, you’re missing topical relevance signals.
Do the same audit for the top 3 ranking pages for your target keyword. This gives you a concrete benchmark. If the number one result has links from 45 unique domains and you have links from 3, you now know the scale of the gap.
Step 2: Fix Your On-Page Foundation First
No amount of link building will save a page that’s fundamentally weak. Before you chase backlinks, make sure the page itself deserves to rank.
Content depth and completeness. Pull up the top 5 ranking pages for your keyword. Read them carefully. Does your page cover everything they cover, plus something they missed? If your competitors have 2,500-word comprehensive guides and your page is a thin 400-word overview, fix that first.
Technical hygiene matters too. Check that your target keyword appears in the title tag, H1, and within the first 100 words of body content. Ensure the page loads in under 3 seconds on mobile (test with Google PageSpeed Insights). Verify that the page is indexable, has a clean URL structure, and includes proper schema markup where relevant.
Internal linking is the most underrated on-page factor. Find your 5 to 10 highest-authority pages (check their PA scores) and add contextual links from those pages to the page you’re trying to boost. This passes link equity internally and costs you nothing except 20 minutes of work.
Step 3: Build Links Through Content-Led Outreach
Here’s the approach that consistently works for our Singapore clients. It’s not glamorous, but it produces results.
Create a linkable asset on the page itself. This could be original data (like a survey of 200 Singapore consumers), a comprehensive framework, a free calculator, or an interactive tool. The asset needs to be something another website would reference as a source. A generic service description is not a linkable asset. A “2026 Singapore Consumer Spending Breakdown by Industry” is.
Then do targeted outreach. Identify 50 to 100 websites that have linked to similar content from your competitors (you can find these in Ahrefs’ “Link Intersect” tool). Email them personally. Not a template blast. A genuine, short email explaining what you’ve created and why their readers would find it useful.
Realistic expectations: a 5% to 10% success rate on outreach is good. From 100 emails, you might get 5 to 10 links. But if those links come from relevant, authoritative sites, that’s enough to meaningfully move your PA score over 2 to 3 months.
Step 4: Pursue Local and Industry-Specific Links
For Singapore-focused pages, local links carry disproportionate weight because they signal geographic relevance alongside authority.
Practical sources to pursue:
- Industry associations. If you’re a member of the Singapore Retailers Association, the Association of Small and Medium Enterprises (ASME), or any professional body, check if they have a member directory or news section that links to your site. If not, ask.
- Local media and blogs. Pitch stories to Vulcan Post, Tech in Asia, The Smart Local, or niche industry publications. One feature with a link can boost a page’s PA by 3 to 7 points.
- Partner and supplier pages. If you work with other Singapore businesses, ask for a link from their “partners” or “clients” page. These are easy wins that most people never think to request.
- Government and educational resources. If your content is genuinely useful as a reference (like a guide to GST compliance for e-commerce sellers), it may qualify for inclusion in resource lists maintained by government agencies or polytechnics.
Step 5: Clean Up Toxic Links
This step is less about boosting PA and more about removing drag. If your backlink audit from Step 1 revealed links from spammy gambling sites, link farms, or completely irrelevant foreign directories, these could be diluting your page’s authority signal.
First, try to get the links removed. Contact the linking site’s webmaster and request removal. Keep a record of your attempts. If that fails, use Google’s Disavow Tool to tell Google you don’t want those links counted.
A word of caution: don’t disavow links just because they’re from low-DA sites. Only disavow links that are clearly spammy or manipulative. Being overly aggressive with the disavow tool can do more harm than good. If you’re unsure, get a professional to review your profile before submitting a disavow file.
Step 6: Monitor, Iterate, and Be Patient
Page Authority doesn’t update in real-time. Moz recrawls the web and updates scores periodically. After building new links, expect to wait 4 to 8 weeks before seeing PA changes reflected in the tool.
Set up a simple tracking spreadsheet. For each priority page, record the URL, target keyword, current PA, competitor PA range, number of linking root domains, and the date. Update monthly. Over 6 to 12 months, you’ll see clear trends that tell you whether your strategy is working or needs adjustment.
Tools for Measuring and Tracking Page Authority
You need reliable tools to check your scores and benchmark against competitors. Here are the ones I actually use, not a list of every tool that exists.
Moz Link Explorer
This is the source. Moz created the Page Authority metric, so their data is the definitive reference. The free version gives you 10 link queries per month, which is enough for basic monitoring. The paid version (Moz Pro) starts at around USD $99/month and gives you full access to historical data, bulk checking, and competitive analysis.
Ahrefs
Ahrefs doesn’t use the term “Page Authority.” Instead, they have their own metric called URL Rating (UR), which measures essentially the same thing: the strength of a specific page’s backlink profile on a 0 to 100 scale. Ahrefs often has a larger and more frequently updated link index than Moz, so I typically cross-reference both tools. Plans start at USD $99/month.
Semrush
Semrush offers an “Authority Score” at both the domain and page level. It factors in backlinks, organic traffic, and spam signals. It’s a slightly different calculation from Moz’s PA, but useful as a third data point. If you’re already using Semrush for keyword research or site audits, you can check page-level authority without needing a separate subscription.
MozBar (Free Browser Extension)
This is the quickest way to check PA on the fly. Install the MozBar Chrome extension, and you’ll see PA and DA scores displayed directly in Google search results. It’s incredibly useful for quick competitive analysis. Search your target keyword, and you can instantly see the PA of every ranking page without leaving the search results page.
Common Mistakes That Keep Your Page Authority Low
After auditing hundreds of Singapore websites, I see the same patterns repeatedly. Avoid these and you’re already ahead of most competitors.
Building Links Only to Your Homepage
This is the most common mistake by far. Your homepage accumulates links naturally through brand mentions and directory listings. But your service pages, product pages, and key blog posts, the pages that actually target revenue-generating keywords, get almost no direct links. Distribute your link building efforts across your most important pages, not just the homepage.
Ignoring Internal Link Architecture
Your homepage might have a PA of 40, but if it doesn’t link to your key service pages (or links to them only through a buried dropdown menu), very little of that authority flows through. A flat, well-interlinked site architecture ensures link equity reaches every important page. Review your internal links quarterly.
Chasing Quantity Over Quality
I’ve seen businesses buy 500 backlinks from a Fiverr seller for $50 and wonder why nothing improved. Those links came from spam networks and did nothing, or worse, triggered a manual penalty. Five links from relevant Singapore industry sites will outperform 500 junk links every single time. There are no shortcuts here.
Never Updating Old Content
A page that was published in 2019 and never touched again will gradually lose relevance. Other sites stop linking to outdated content. Existing links may break as referring pages change. Update your key pages at least annually with fresh data, current examples, and improved formatting. This alone can attract new links and prevent PA decay.
Putting Page Authority to Work in Your SEO Strategy
Page authority isn’t a score you check once and forget. It’s a diagnostic tool that should inform your ongoing SEO decisions. Use it to identify which pages need link building investment, which keywords are realistically within reach, and where your competitors are vulnerable.
The businesses that win in Singapore’s competitive search landscape aren’t the ones with the biggest budgets. They’re the ones who systematically build authority to the right pages, track their progress, and adjust their approach based on real data.
If you’ve read this far and realised your key pages are sitting at PA 5 while your competitors are at PA 30, don’t be discouraged. Every strong page started at 1. The gap is closable with the right strategy and consistent execution.
Want a professional assessment of where your pages stand and what it would take to close the gap? Reach out to our team at bestseo.sg for a page authority audit. We’ll show you exactly which pages to prioritise and map out a realistic link building plan tailored to your industry and competition level in Singapore.