Squarespace SEO & Mobile Boost

I have just wrapped up a full visual and copy overhaul of a Squarespace site for a client. The design is locked, the words are final, and now I want the build to live up to its potential in Google search results... (Budget: $30 - $250 AUD, Jobs: Analytics, HTML, Page Speed Optimization, PHP, SEO, Squarespace, Web Development, Website Audit, Website Design, Website Optimization)