Do you have quality backlinks pointing to your blog?
See, the duration of blogging does not decide your PageRank. PageRank solely depends on number of quality backlinks pointing to a webpage. For your blog to earn quality backlinks, its important it reaches the targeted audience. For that, you need to promote your blog on various social media platforms. Here’s how:
-Write blog posts that are designed to attract links
-Submit your RSS feed on feed directories
-List in popular niche directories
-Submit your blog to social bookmarking sites
-Guest post on niche related dofollow blogs
-Do forum posting with your blog link as forum signature
If you promote it consistently, you may as well enjoy PR 4 soon. But nevertheless, you shoudn’t be losing your sleep over this PR thing. It is just one of the 200 factors that collectively determine your SERP rankings. If your blog enjoys good traffic and high SERP rankings, you should be chilling!