Google Page Speed Insights
It's a fact that the faster your website loads, then the better that google will rank you in search results.
If your site is slow, then your SEO is going to be poor.
Here’s how to check:
Go to Google Page Speed Insights, type in your URL, and click. Google will analyze your site’s performance and load time. If your site takes 4 or more seconds to load then consider switching to a faster host, and eliminating long load time elements by optimizing image sizes on your home page where ever you can.