If you are building your website on a new domain, it might take 6 months before your website is indexed on google. Therefore, you need to ping your website or submit on search console. This will help your website get indexed on search index. A lot of people are in such a hurry that they start buying backlinks, never do that, your website might be blacklisted before getting raked on google search. Start posting on forums and use forum signature as the backlinks to your website.