05 April, 2023
What is Page Authority and why does it matter for SEO?

Page Authority is a credibility score developed by Moz, and also an important SEO terms SEO term every SEO specialist should know. The tool gives hints about whether a specific page can reach the top of Google, and PA also plays an important part in SEO. So what is Page Authority, and how do you raise it effectively? Read on as MONA Media let's look at the PA metric in detail in the article below.
What is Page Authority?
Page Authority (PA) is one of the scoring standards developed by Moz to estimate how well an individual page can rank. Specifically, Page Authority gives hints for judging a website's ranking on SERP. Moz uses a machine learning model to find the algorithm that correlates with ranking results across thousands of SERPs, and produces the PA score from that calculation.
Page Authority is a reference metric and can't be perfectly accurate. A website with a high PA does not mean its keywords will reach the top of Google.
How is Page Authority scored?
How Moz scores Page Authority from about 1 to 100, on a logarithmic scale. The higher the score, the better the PA. In practice, raising PA from 20 to 30 is much easier than raising it from 70 to 80.
PA is not fixed over time and changes to some degree. Moz keeps updating the algorithms used to calculate PA so they fit score changes over time better.
Metrics for judging Page Authority quality
Because of how Page Authority is calculated, the best use of the tool is as a comparison metric for studying search results and working out which pages have stronger or better links than others. Page Authority is a comparison tool, and a PA score doesn't judge any page as “good” or “bad”.
What matters is that users know their goal before using a PA check and what the information gives them. A goal is accurate and specific when users want to build a tight link system and have plans for building the system of links on the page. You also need to know the general state of your link profile and how it affects Page Authority.
Where to find a website's Page Authority?
Page Authority metrics are integrated from dozens of SEO and online marketing platforms on the web. You can find a site's Page Authority with SEO measurement and analysis tools such as Moz, Ahrefs, SEMRush and others.
Here, Moz is the most popular tool for checking a site's Page Authority. Go to the Moz website and use the MozBar tool to check a site's Page Authority.
In addition, Ahrefs and SEMrush also give Page Authority information, and you can use them to search and analyze a site's SEO metrics. To use them, though, you need to register and pay for premium features.
Page Authority vs. Domain Authority
Page Authority and Domain Authority are both metrics that rate how credible a website is developed by Moz. PA measures the ranking strength of a specific page, while DA rates the strength of the whole domain. In detail:
- PA is calculated from several factors, including the page's trustworthiness, popularity and links. It's often used to judge the quality of a specific page on a domains.
- DA rates the strength of the whole domain using factors similar to PA. DA is often used to compare the strength of different domains.
Both PA and DA are calculated by using algorithms that analyze similar factors. However, PA and DA are not the most important factors in SEO and are only one part of the overall SEO toolkit. You could say the two metrics are more alike than different.
→ See other website evaluation metrics:
- What is Topical Authority? How to SEO for Topical Authority
- What is Domain Rating? How to raise DR effectively
Why is PA important in SEO?
Page Authority is a metric used in SEO strategy to evaluate how credible and trustworthy a specific website is. PA plays a very important role in SEO, because it affects the site's ranking on search engine results pages.
Search engines typically use complex algorithms to decide how a site ranks. PA is seen as one of the key factors in judging how credible a site is. Other SEO factors include DA (Domain Authority), content, backlink, keywords, page load speed, time on page and many more.
PA measures how credible a site is using metrics such as the number of page backlinks, link quality, the age of the site, content and other factors. A site with a higher PA is likely to rank better on search engine results pages and draw more visits.
So raising your site's PA is an effective way to improve its search ranking and draw more visits from potential customers.
If your SEO stops at pulling in traffic, you've only done half the job. Lots of visitors but no conversions can mean your banners, information and CTAs don't guide people well enough. Huy will share a strategy for optimizing your website around user behavior. Click the video to find the bottlenecks on your site.
How to raise PA effectively
Like Domain Authority, Page Authority is also made up of several metrics such as Mozrank, Moztrust, profile links,…, and each one affects how you raise PA in its own way.
Each backlink adds some points to the target URL, depending on whether the backlink is good quality. If a backlink is poor and the source has low PA and DA, it means the URL is also low quality, easily loses points and may be treated as spam.
The most effective way to improve is to focus on your link profile and change Mozrank and Moztrust by linking to many quality sites. Put a lot of effort into tight internal links that keep users engaged on your site.
Things to note when optimizing PA
PA checks are usually used to watch how Page Authority moves. Basically, PA depends fairly heavily on the link profile. So link changes affect this metric.
A website with many reputable, quality backlinks will see its PA improve. However, using far more links than other pages looks unnatural and search engines will “keep an eye” on you. That can lower your site's ranking in search results.
→ You may be interested in: How to check for bad backlinks
Building and optimizing PA shouldn't be done casually. You should have a specific plan so quality links deliver the best results. So it's wise to work with a partner, namely reputable SEO companies.
And MONA Media will bring you solutions with Full-scope SEO services with the experience and an expert team. You won't need to wonder how to do SEO because MONA takes care of it, with commitments such as:
- Thousands of SEO keywords ranked at #1 on Google
- 300+ successful SEO projects delivered, and still growing
- SEO in many different fields, including the hardest industries
And plenty of other numbers that speak for themselves. Let MONA Media work with you on an SEO strategy built for real conversions. Contact us via HOTLINE 1900 636 648 or click the button below and we'll provide website SEO price list right away.
That's all the useful information to help you understand the metric Page Authority and the role of PA in SEO. We hope this article from MONA Media helps you optimize your website's PA as effectively as possible.
Page Authority FAQ
What is Page Authority?
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