Thanks. Suppose I have 500 post on forum, so there would be 500 signature links as well. So will I get 500 Backlink? Does it worth for google ranking?YES they do!
Suppose, I got link from this forum signature and My site is about Photo Editing service. Does this will work for me?more importantly, you should focus on high quality links. Just because you have 10000000000000 backlinks doesn't mean you're going to rank in first position. You should focus on high quality, editorial links. Here is what google has to say: https://support.google.com/webmasters/answer/66356?hl=en