I rarely use Page Speed Insights (or never), Lighthouse is a bit more in detail, but I do check Gtmetrix always, as it saves me some digging through dev tools, due to the fact that it's all on one page. Geekflare's audit is also decent.
New advertising option:
A review of your product or service posted by a Sterling Sky employee. This will also be shared on the Sterling Sky & LSF Twitter accounts, our Facebook group, LinkedIn, and both newsletters.