SPA: SEO Page Audit is a free Chrome extension designed to facilitate on-page SEO analysis directly within the browser. Users can choose between a quick popup mode for a summary overview or a full-page mode for a more detailed audit of the current page. The tool evaluates essential on-page SEO signals without relying on third-party APIs, providing a seamless experience for users looking to improve their website's visibility.

Key features include an overall SEO score with detailed breakdowns, analysis of headings, links with accessible anchor name detection, image and alt text coverage, as well as checks for schema and social metadata. Additionally, the extension highlights human-readable issues and offers quick wins for users to enhance their page's SEO performance. However, it should be noted that this tool does not provide an official Google score, estimate rankings, or fetch backlink data.