
Industry-standard website crawler for technical SEO audits
Screaming Frog SEO Spider is a desktop website crawler used by thousands of SEO professionals and agencies worldwide for technical SEO audits. It crawls websites to identify over 300 SEO issues including broken links, redirect chains, duplicate content, missing meta data, and JavaScript rendering problems. Available for Windows, macOS, and Linux, the free version crawls up to 500 URLs while the paid license removes limits and unlocks advanced features like custom extraction, API integrations, and scheduled crawls.
Crawl websites of any size to discover URLs, analyze site architecture, and map internal linking structures
Identify 300+ SEO issues including broken links, redirect chains, duplicate content, missing tags, and crawl errors
Render JavaScript pages using Chromium to see the page as Googlebot does, essential for SPAs and JS-heavy sites
Extract any data from HTML using CSS Path, XPath, or regex for custom analysis and data collection
Connect to Google Analytics, Search Console, PageSpeed Insights, Ahrefs, and Majestic for enriched crawl data
Connect to AI APIs (ChatGPT, Gemini) to categorize pages, generate meta descriptions, and analyze content at scale
Automate recurring crawls with email alerts for monitoring site health over time
Crawl client or internal websites to identify and prioritize technical SEO issues for remediation
Compare pre- and post-migration crawls to verify redirects, detect broken links, and ensure no pages are lost
Extract page-level data like word count, headings, and meta data to evaluate content quality across a site
Validate Schema markup site-wide to ensure rich results eligibility and fix structured data errors
Start using Screaming Frog SEO Spider today and boost your productivity.
Visit WebsiteValidate Schema.org markup and identify structured data errors across the entire site
Generate XML sitemaps and image sitemaps based on crawl data with configurable settings
Compare crawls over time to track changes in site structure, identify new issues, and measure improvements

All-in-one SEO toolset powered by the world's largest backlink index