Can you use Facebook ads, to promote or increase your likes of your facebook page? Is it is really helpful in getting real and targeted likes in our page?
What is the ratio dofollow and nofollow, if we only search sites who provide dofollow links and my all backlinks are dofollow, than is harmful for website, can google or any other search engine penalized the website??
I have a website which have PR 2 and i want to increase the page rank of website, 3 or 4. So please share me best techniques to increase the page rank of my website.