# SIGNAL // Generative AI SEO & Search Intelligence Platform

> SIGNAL is an all-in-one SEO and Generative Engine Optimization (GEO) platform designed to audit, benchmark, and optimize web applications for traditional search engines and AI-driven search models like ChatGPT Search, Perplexity AI, Claude, and Google AI Overviews.

## Core Capabilities
- **Site Audit 360°**: Complete technical, on-page, and core accessibility diagnostic engine.
- **AEO & GEO Optimization**: Evaluates FAQ schema, llms.txt accessibility, answer engine suitability, citation readiness, and entity density.
- **AI Crawler Governance**: Benchmarks and audits robots.txt permission tiers for GPTBot, ClaudeBot, PerplexityBot, and Google-Extended.
- **Keyword Explorer**: Intent clustering, KD metrics, organic competitor discovery, and semantic keyword enrichment.
- **Rank Tracker**: SERP positioning estimator and historical ranking analytics.

## Canonical Resources
- [Home & Web App](https://signal-seo.signal-seo-tool.workers.dev/): Primary web application interface and interactive audit dashboard.
- [Sitemap](https://signal-seo.signal-seo-tool.workers.dev/sitemap.xml): Complete XML index of production pages and endpoints.
- [Brand Favicon & Vector](https://signal-seo.signal-seo-tool.workers.dev/icon.svg): Official platform iconography and vector asset.

## Optional & Deep Dive
- [Site Audit Direct](https://signal-seo.signal-seo-tool.workers.dev/#panel-audit): Direct tool for executing single-page crawl and DOM diagnostics.
- [AEO / GEO Direct](https://signal-seo.signal-seo-tool.workers.dev/#panel-aeo): Unified Answer Engine and Generative Engine Optimization engine.
- [Keyword Engine Direct](https://signal-seo.signal-seo-tool.workers.dev/#panel-keywords): Search term intent and volume cluster inspector.