Scary Spider SEO: An Open Source SEO Crawler That Runs Locally
SEO audits should not require uploading your entire website crawl to a third-party platform. That is why I built Scary Spider SEO , a free, open-source desktop crawler for SEO, accessibility, and technical website audits. It runs locally on Windows, macOS, and Linux. There are no crawl credits, hosted projects, or required accounts. What It Does Scary Spider SEO crawls a starting URL and helps…
Scary Spider SEO is an open-source, locally-run desktop crawler designed for SEO, accessibility, and technical website audits. The tool runs on Windows, macOS, and Linux without requiring crawl credits, hosted projects, or user accounts. Scary Spider SEO crawls a starting URL and identifies issues such as missing title tags, broken links, duplicate content, redirects, security headers, accessibility violations, and mobile usability problems.
The application presents findings in plain language, suggests fixes, and allows users to inspect individual pages, filter issues, save crawl snapshots, and export data to CSV. Built with Rust, React, and Tauri, Scary Spider SEO is lightweight and supports serious crawl workflows while keeping the application's data on the user's computer.
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