Hello friends,

What is the difference between lost links and broken links in SEO?

They are basically the same as they both refer to the link that no more exists on the webpage from where they were built.

Hi Friend,
Lost links are link that no longer exists, that particular link doesn't refer your site further in search engines. You could have lost a link from the particular site, either that link could have been created by manually or naturally. A broken link is a link which not work properly or not redirect to any other webpage.

 broken link is a link which not work properly or not redirect to any other webpage. These are mainly the 404 errors and does not work until the publisher fixes the error. ... Lost link are those links, when they clicked, they didn't open the site page and show some errors. You can check this with dead link checker tool.