On-Page SEO Content Optimization

My website needs a focused on-page SEO overhaul. I already have a full set of published pages and blog posts; what they lack is strategic optimisation. The immediate goal is to refine what is there—no new copywriting is required, only smart tweaks that raise visibility and click-through rates... (Budget: ₹600 - ₹12500 INR, Jobs: Content Strategy, Internet Marketing, Keyword Research, Link Building, Marketing, SEMrush, SEO, Website Audit)