Auditor documentation
Find and fix SEO, security, performance, accessibility, and resilience issues before they cost rankings, revenue, or trust. This site hosts the long-form documentation for each 37 Audits auditor. Product catalog details (credits, status, and run controls) stay on 37audits.com. Want to query your audit data from Claude, Cursor, or another AI client? See the MCP Server guide. Want to read and write your data over HTTP instead? See the REST API reference.Available auditors
Cache Auditor
Validates cache headers for optimal web performance.
Large Resource Auditor
Flags page resources at or above a configurable size limit (500 KB by default).
MCP Server Card Auditor
Validates the MCP Server Card that advertises a remote MCP server for AI clients.
Meta Description Length Auditor
Validates that the HTML meta description is present and within the recommended 150–160 character range.
Open Graph Auditor
Validates that the page declares the Open Graph tags social platforms need to render a rich link preview.
Page Title Auditor
Validates that the HTML page title is present and within the recommended 15–70 character range.
Search Auditor
Checks that the site search page caps page size, returns nothing for an empty query, and does not nest redirect parameters.