While climbing the rankings on Google and the other major search engines, getting higher quality, trusted backlinks is really now one of the only ways to go. The days of sending thousands of spammy, low quality backlinks is over -for pure whitehat methods at least.
To improve a websites authority you need to improve its TrustRank.
I will post your site url or whatever you wish to promote to 50 high domain authority sites which have DA (Domain Authority - a moz.com metrics) of 70-100
I will require your url - i will not only be using your main home page url i will use inner urls too :)
I will use some of the most trusted and most used sites in the world
Detailed delivery report will be provided
All the l!nks will be pinged which will take 48 hours helpful for getting indexed