Making a great looking responsive website is only half the battle. You will need to make the website work hard day and night to bring in the revenue to pay for itself. With a responsive WordPress website the inbuilt Content Management system is a very good place to start.
Fortunately the nice folks at Google have provided you with a simple way to mobile friendly test your website. Below is the mobile friendly test page and what it looks like, its very easy to use. By adding your domain you can receive instant feedback on how Google views your websites.