I can help with the speed optimization part. You're losing 11% traffic and 7% conversions for every extra second of load time. I am an expert in this specific field of speed optimization and own a company from Romania doing exclusively ADVANCED speed optimization. ([login to view URL])
I only deliver ADVANCED optimizations, not medium ones. The market price for ADVANCED optimization is 500-1000$. I can do it for 275$. I guarantee that this will be an ADVANCED optimization (render blocking removed, plug-in prioritization, all specific problems solved, etc.), not a medium one. Unlike a medium optimization that can be done in a couple of hours, an ADVANCED one will take at least 2 - 3 days of non-stop hard work.
An advanced optimization will pay itself back fast due to these statistics: [login to view URL]
For more about how to properly measure real speed for real human users and what numbers I deliver, check my Medium article: [login to view URL]@turbowebro/is-google-page-speed-insights-an-accurate-tool-for-testing-your-website-speed-10d82e00d58c