Hi Friends You have noticed that from recent few days, do follow blog comment posting are not making huge impact in your SERP. Reasons: 1) Because maximum people do not care where they are posting their comments. 2) Whether there are a lot of comments posted in respective blog[maximum google consider 10 different links from a blog] 3) Whether blogs are related to your website or not 4) Whether the comment which you are posting are marked as SPAM. 5) You are posting comments in low page rank blogs. Solution: 1) Try to post comments in those blogs which are related to your keyword or niche. 2) Do not post comments in a spammy blog. 3) Do not use same comments every where, make the comment more specific. 4) More concentrate on above page Rank 1 blogs.