This e-commerce platform is a complete turnkey package for a relatively low monthly fee, and that is why it is blowing everyone out of the water right now.
A great way to check the strength of your brand is to do a search on Google Trends and put it up against similar businesses or companies in the same niche.
There are a lot of great tools out there for problem-solving drops in website traffic, but one of the first tools Jim Stewart uses is Google Search Console.