WordPress Speed & SEO Revamp

My WordPress site is solid on content but lagging on performance and search visibility. I want to tackle both, beginning with a laser-focused speed sprint and then expanding into a wider technical SEO programme that lifts conversions across the board... (Budget: ₹1500 - ₹12500 INR, Jobs: Conversion Rate Optimization, Google PageSpeed Insights, PHP, SEO, Technical Site Audit, Website Audit, WordPress)