yRank of a Youth4work user can be affected by a number of ways. It is not dependent on a single factor but on a multiple ones. Hence, in order to remain numerouno in your talent, you cannot singularly depend upon your test taking skills but also on your activeness on the platform and your connections with others.
Social vouches help to build your profile ranking and visibility in employer talent searches. When somebody vouches for your talent, he/she approves and attests your talent. In a way, they give an assurance, a guarantee for your talent.
Whom to give a Social Vouch?
Each of your talents is unique and adds to your professional strength. Any youth should be vouched if he / she displays good knowledge over the talent through yTests, participation in the discussion forums and interactions with other youth.
How to give a Social Vouch to someone?
Go the talent you want to vouch for, from the person’s public profile's talent section.

If you tweet a lot and want to share the youth’s talent on Twitter, click on Tweet button.
You’ll get a pre-loaded tweet window with the link to the youth’s talent. You can edit the tweet also and post it.
By vouching on Google+, you will get a share box as below:
Here too, like Facebook, you’ll need to write a few words to make a personalize d vouch. The link lands the viewer to the youth’s talent page directly.
How to give a recommendation on Youth4work?
Select the talent you wish to recommend someone.
As soon as you click on the talent, a text box will emerge and you can enter the text. Keep your recommendations succint.
More the Social Vouches and recommendations for a talent, higher is the yRank.