Forum posting is also one among the SEO techniques that are used by the web marketing experts. This activity has to utilize websites that are designed for forum purposes only. A forum website contains a topic/thread and replies. Most of the time, the reply that is situated at the bottom of the page is the most recent. As long as you have an account in any forum website, you are entitled of privileges to post anything such as questions or advices and to post responses.
Unlike blog commenting, the links that you provide in forum posting contributes in your website popularity because it has a link weight. This is the reason why most of the time, posting a topic or a reply to forum sites requires a maximum of 7 days to approve.
Search engine spiders also crawl on the links that are made in various reputed forum sites. Meaning, the links that are generated in forum posting are credited, and thus a factor in having your website rank higher in major search engines such as Google and Yahoo.
Relevancy also plays a role when doing forum posting. When posting a topic or responses, you must bear in mind to select a category that is relevant to what your website is all about. Do not post to categories such as Fashion or Education if your website is about SEO.