Testing your website from different devices needs time to get the right timing. You might have a nice website but if you test from any mobile devices the setting changes. To give you a example of perfect website responsive is the namecheap.com the website can interact the right sizes at the right time from any visitors online. The more accurate your website to adopt from any devices the better changes you get the win to win situation to your audiences. The boss is your customer who is watching your website anytime.
The challenges of the webdesign and webdeveloper is to mobilized the right sizes of website responsiveness to each of the visitors. Adoptation to the business is a trends. The mobile users are increase but not all website are mobile friendly. Is your website mobile ready ? Try to test TODAY!
You maybe old in the business but your if your website is not mobile ready your are in the movement of loosing your visitors everyday.