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Google Analytics is the best for monitoring your traffic from every aspect.

You can post unique content with keyword density of 1.5% to 2% to web 2.0 sites either manually or with a Powerful software called SENuke!

Good Do-Follow social bookmaking links help boost SERP's of your website!

Is there a way/tool/software/method to get back-links from PR websites that are related to my Niche?
Approved links?

You should consider submitting you website with the targeted keywords to High PR Social Bookmark Websites and also consider building a Linkwheel which is very effective!

I really like the kind of services you are offering here.
But I believe Market Samurai is not free besides the keyword research part of it.

I totally agree with this, mate. It's the best free keyword research tool.

Thanks for the great info. here...I was wondering if there is a way to find niche related blogs and forums to build backlinks???

It's a great list, Thanks man!

I am glad you shared this list here. Its a great list! Thanks!