Page authority is a term that was first introduced by MOZ which is, in fact, the estimated ranking capacity of a web page. You must also be thinking that what is good page authority, higher the page authority the more is the capacity of a particular page to rank in search engine results, especially Google. Hence, checking your page authority using any quality page authority checker or PA checker can give you the idea of how strong does your page stands out and how much more effort should you put in SEO.
Now, when you have an idea about PA, the question arises how to find it? For that, you will need any good page authority checker also known as PA checker tool. Fortunately, you can easily find page authority checker tools. PA checker works as a magic tool that gives your page authority score within seconds. If you own a website then PA checker is indeed essential for you.