How blogges are helpful to generate the Traffic? Which are most popular blog site? Friends suggest me.
you can generate traffic to your site or blog by posting comments in other people's blogs, with links back to your site/blog. However, unless you post your links in a quality way, they will probably be regarded as spam. "DOFOLLOW" blogs are best for this.
If what you are intending to do is generating traffic to a main site that it is not your blog, be sure to include many links to your main site in your posts. Blogs and normal sites have different ways to reach people. Each one can help the other. The normal site is rather static, whilst the blog is more dynamic. Each type calls for a different type of person or need.
Blog are helpful to generate traffic when your blog roll or link exchange partners links has traffic also and or your link is in from their site. Blog can generate traffic also if you update the content regularly , ping it and submit to social boomarking.
But for a blog, you need to keep posting regularly to keep the ppl interested. You may have ppl to post for you there.
The Guest Posting idea is great and it really helps a lot to make your blog interesting for readers if the posts are good enough. However, for guest posting you must ensure the writer to be versatile.