Hi there, I have read your requirements and checked the website you provided it has a lot of issues including Loading Speed, also you do not have Alt tag (an HTML tag) on most of your images which helps Search Engines to describe what's the image is about,
Also, you do not have google analytics installed on your website which requires to track down the users when they visit your website as it is an essential part for a Business to have a tracking system on their website from which they can gather their audience data to use that in re-targeting.
Also I noticed that your SSL certificate is going to be expired in the upcoming month which is Valid until: Feb 12, 2019
We are a team of experts in WordPress, Custom Development, SEO, Fixing Technical Issues feel free to message us in case of any query
So there are a lot more issues then, Loading Speed on your website