Using Google's Antigravity can transform how SEOs approach site audits by mimicking the role of a Quality Rater. The process begins with building a knowledge base using Google's 168-page Quality Rater Guidelines, which can be found on GitHub. This document outlines key concepts like "Needs Met," "YMYL" (Your Money or Your Life), and "E-E-A-T" (Experience, Expertise, Authoritativeness, Trustworthiness). Once the agent digests this information, it creates a step-by-step checklist for auditing. To use Antigravity effectively, provide it with a keyword and landing page URL. The agent opens a Chrome browser, searches Google, and evaluates your site based on the checklist. It analyzes the SERP layout for user intent, examines your page's content, and checks various elements like the footer and "About" page. After the review, it generates a markdown file detailing the performance against the Quality Raters Guidelines, scoring areas where your page meets or fails the criteria. An interesting feature is that Antigravity can also audit the top-ranking page for the same keyword. This allows SEOs to compare their site's performance against the competition, looking for differences in authorship signals, content depth, and navigation efficiency. The insights gained from these comparisons can inform adjustments that align more closely with what Google rewards. This approach turns abstract best practices into actionable insights, helping SEOs refine their strategies based on real data rather than assumptions.