In the Backlinks section, you might find some pages where the 'Link From' page (the page where each backlink exists) shows a 302 status.
This means that the 'Link From' page is doing a 302 redirect from one URL (let's call it URL A) to another (let's call it URL B). Because of the redirect, if you click on the page, then it will send you to URL B.
A 302 redirect means that the redirect is temporary. This is in contrast to a 301 redirect, which means that the redirect is permanent.
There are 2 cases where we most commonly see a 302 status:
- www -> non-www: for example, http://www.randomsite.com to http://randomsite.com
- http -> https: for example, http://coolsite.com to https://coolsite.com
From an SEO perspective, a 301 redirect is ideal because it will pass most of the link juice from one page to another. If the owner of the 'Link From' page changes the redirect to a 301, then it will maximize the link juice for the page because it will all be concentrated.
Should you contact the owner of the site and suggest that they change it to a 301 redirect? Usually, we think that it's too small of a benefit to be worth it. But if it's a very important site and you want the full benefit of the link, it might be worth it.