Show HN: Indexflow-SEO – A lightweight SEO analyzer written in Rust Indexflow-SEO, a lightweight SEO analyzer written in Rust, has been released as version 0.1.2 on crates.io, offering zero-dependency technical SEO validation and Generative Engine Optimization (GEO) auditing for AI bots such as GPTBot, PerplexityBot, ClaudeBot, and Google-Extended. The tool checks HTTP status codes, canonical URLs, robots directives, title tags, and Schema.org structured data, and includes an optional async HTTP prober with a 5 MiB body cap. A blazing-fast, zero-dependency Technical SEO Quality Gate & GEO Generative Engine Optimization Auditor written in pure Rust. - 🛡️ Technical SEO Gatekeeper : Pre-flight validation for HTTP status codes, Canonical declaration equivalence, noindex / nofollow robots directives,