I need a one-time technical optimization for my Squarespace site (All pages), https://www.cityshiftfinance.com Current Lighthouse performance score for the Hompage is around 52 (mobile) and I want it above 90. Tasks include: Compress & convert all hero images to WebP Implement lazy loading Defer non-critical JavaScript and reduce render blocking Minify and clean unused CSS/JS Add font-display: swap to all fonts Improve caching and loading efficiency Fix technical SEO issues (headings, alt text, structured data, sitemap, etc.) Deliverables: Before/after PageSpeed Insights report (mobile + desktop) Updated Core Web Vitals performance No recurring contract — one-time full optimization Timeline: 3–5 days Budget: $200 (fixed price) Please include examples of previous Squarespace or performance optimization projects.