Backlink quantity to the website

[barefooted]

Quality of links matters, not quantity. You better build links from related sites and web authority pages. Also, do it in consistent manner.

[Tabish-khan]

Build not more than 50 per day but it should be genuine not off topic.

[JitendraMehta]

It's no matter, how many number of back-links you've created but it matters whether you've created quality back-links or not, also if you create excessive back-links for a sites then website ranking goes down.