There are many benefits of blog posting, if your blog is awesome i.e. you blog daily something interesting that attracts viewers to read that, then as on you get many followers that later converts into your clients in many ways, it's into your hand how you gonna redirect them.You even can you them as if for marketing you website and such more,you even will have those user email id's too.In short it helps to build your network.
Traffic is very viable for a website. And psoting blogs often will help you gain the traffic that your website need. Also, having frequent blog posts is an indication that it your website is healthy. Google likes crawling fresh content so this is why I think every website needs a blog page.
Well, seriously ?? I guess the name itself defines, what is the use of it but if you still can't figure it out Benefits of Blog Posting and also tell me why did you search on Google for some blog post when you don't understand specific .... ??