How would you improve the Pagerank of a page?

You need to get Authority links from Authority pages (preferably PR5 +).That's the basic thing to increase PR. you can try reaching out to webmasters in your niche for a link from their site.Or you can ask for a link exchange.
Read more on: https://topgoldforum.com/topic/350442-how-would-you-improve-the-pagerank-of-a-page/?_fromLogin=1

First, tell me how you check the PR of any page?
what is the current score? 

The Pagerank of a page improves by building backlinks. It is done through authority sites and high ranking web pages.

-Improve your website's user experience
-Write great content optimized for SEO
-Get more backlinks
-Improve your page speed
-Fix broken links
-Optimize your images
-Use H1 and H2 header tags
-Optimize for local search

Quote from: onlinepaystubs on December 12, 2019, 01:26:57 AM
First, tell me how you check the PR of any page?
what is the current score? 

Moz helps you to know your websites DA and PA. By adding Moz extension you can check your website Domain and page authority regularly.