Google is a number 1 search engine & it is very important you submit your site to Google as soon as your website becomes online & live.
Here are the steps to submit your website to Google.
Login to Google Search Console
You can Sign up with Google Search Console by visiting this link.
Login to Google Search Engine Console & click on sitemaps as shown below.
Now you will see a empty box in front of your website URL as shown below. This is where you need to type your sitemap address.
In my case my sitemap URL is “sitemap_index.xml” as shown below.
Once done click on ‘Submit‘ as shown below.
That’s it. Now you can see the submitted sitemaps with success status as shown below.