Rarely do I develop a business website that doesn't require some degree of revision(s) down the road based on the site's analytics... And that's OK. After all, a good looking website is, more or less, useless if it's not functioning as it's intended to do... And that often takes trial and error, or perhaps simply trying new things to see what works best to generate the desired results.
If I personally had to make one revision to your site, I'd add a fixed navigation bar to the top with an "Order Now" button. The reason being is because you only have one initial "Order Now" button on your home page, but once you scroll past it, to check out the rest of the site... There is nothing. In fact, that single "Order Now" button on your home page is the only one I noticed.
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