For those who does not know about the April 21 - Google is going to roll out Mobile Friendly Algorithm update which will effect the non-mobile friendly websites' rankings in Google SERPS.
You can check you website's mobile friendliness here - https://www.google.com/webmasters/tools/mobile-friendly/
The result will show you what needs to be done in order to secure your ranks after 21st April.
Thanks for reminding, @carlosrob4
Mobile update is going to be huge... let's see! And here are some useful tools to check out https://blog.amasty.com/top-tools-to-ensure-mobile-ready-status-of-magento-e-stores/