# SiteAuditor 360

> The Ultimate Website Audit & QA Intelligence Platform. Free, instant enterprise audits for Google PageSpeed Core Web Vitals, Technical SEO, Scott Helme Security Headers, WCAG 2.2 Accessibility, W3C HTML Validation, Dead Links, and Automated QA Test Cases.

SiteAuditor 360 enables developers, SEO professionals, QA automation engineers, and autonomous AI agents to audit any public web application with a single endpoint or UI interaction.

## Core Audit Capabilities

- [PageSpeed & Core Web Vitals](https://siteauditor-360.pages.dev/#pagespeed): Real-time analysis of Largest Contentful Paint (LCP), First Contentful Paint (FCP), Cumulative Layout Shift (CLS), Interaction to Next Paint (INP), and Total Blocking Time (TBT) across both mobile and desktop viewports via Google Lighthouse.
- [Technical SEO Audit](https://siteauditor-360.pages.dev/#seo): Deep crawl of title tags, meta descriptions, canonical URLs, robots meta, Open Graph, Twitter cards, heading hierarchies (H1-H6), and image alt coverage.
- [Scott Helme Security Headers](https://siteauditor-360.pages.dev/#secHeaders): Grades HTTP response headers from A+ to F inspecting Content-Security-Policy (CSP), Strict-Transport-Security (HSTS), X-Frame-Options, X-Content-Type-Options, Referrer-Policy, and Permissions-Policy.
- [WCAG 2.2 Accessibility Scanner](https://siteauditor-360.pages.dev/#a11y2): Powered by Axe-Core 4.11 and Puppeteer evaluating Level A, AA, and AAA compliance, contrast ratios, ARIA landmarks, form labels, and keyboard navigability.
- [Dead Links & Redirect Crawler](https://siteauditor-360.pages.dev/#deadlinks): Concurrent asynchronous crawler detecting broken 404 links, loops, redirect chains (301/302), and anchor health.
- [W3C HTML5 Validator](https://siteauditor-360.pages.dev/#w3c): Validates semantic markup against the Nu Html Checker standards.
- [SEO Meta Comparator](https://siteauditor-360.pages.dev/seo-meta-comparator/): Side-by-side verification of staging vs. production SEO tags to prevent deployment regressions.
- [QA Testcase Generator Studio](https://siteauditor-360.pages.dev/qa-testcase-generator/): AI-driven automated generation of manual and automated end-to-end test suites.

## Agent & Machine Interaction Endpoints

- [Home & Web Audit Interface](https://siteauditor-360.pages.dev/): Primary web UI accepting target URL inputs.
- [System Documentation PDF](https://siteauditor-360.pages.dev/SiteAuditor360_System_Documentation.pdf): Complete technical manual and architecture specification.
- [Extended LLM Full Specification](https://siteauditor-360.pages.dev/llms-full.txt): Deep technical specification including schema dictionaries and evaluation heuristics.

## Query Parameters & Direct Actions

Autonomous agents can initiate a targeted audit by appending URL parameters:
- `https://siteauditor-360.pages.dev/?url={target_url}`: Initiates full-suite diagnostic audit on the provided target website.

## Technical Standards & Compliance

- **Performance**: Google Lighthouse 11+, Chrome UX Report (CrUX) metrics
- **Accessibility**: W3C WCAG 2.0, 2.1, 2.2 Standards
- **Security**: OWASP Top 10, Scott Helme SecurityHeaders.com benchmark
- **Validation**: W3C Nu HTML Checker