Screaming Frog SEO Spider
Industry-standard website crawler for technical SEO audits
Founded
2010
Starting Price
Free
Category
SEO Tools
Last updated April 27, 2026
About Screaming Frog SEO Spider
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.
Pros & Cons
Pros
- Industry standard for technical SEO audits, trusted by virtually every SEO agency
- Desktop-based crawling gives complete control over crawl configuration and speed
- One-time annual fee per user with no crawl limits or credits
- 300+ issue checks covering the most comprehensive technical SEO analysis available
- LLM integration enables AI-powered page categorization and content analysis at scale
Key Features
Website Crawling
Crawl websites of any size to discover URLs, analyze site architecture, and map internal linking structures
Technical Issue Detection
Identify 300+ SEO issues including broken links, redirect chains, duplicate content, missing tags, and crawl errors
JavaScript Rendering
Render JavaScript pages using Chromium to see the page as Googlebot does, essential for SPAs and JS-heavy sites
Custom Extraction
Extract any data from HTML using CSS Path, XPath, or regex for custom analysis and data collection
API Integrations
Connect to Google Analytics, Search Console, PageSpeed Insights, Ahrefs, and Majestic for enriched crawl data
LLM Integration
Connect to AI APIs (ChatGPT, Gemini) to categorize pages, generate meta descriptions, and analyze content at scale
Scheduled Crawls
Automate recurring crawls with email alerts for monitoring site health over time
Pricing
Free
Free
- Crawl up to 500 URLs
- Basic technical analysis
- Broken link detection
- Redirect analysis
- Meta data review
Best For
Technical SEO Audits
Crawl client or internal websites to identify and prioritize technical SEO issues for remediation
Site Migration Validation
Compare pre- and post-migration crawls to verify redirects, detect broken links, and ensure no pages are lost
Content Auditing
Extract page-level data like word count, headings, and meta data to evaluate content quality across a site
Structured Data Auditing
Validate Schema markup site-wide to ensure rich results eligibility and fix structured data errors
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Featured In
#1
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The non-negotiable tool for any serious technical SEO consultant — nothing else offers this depth of crawling power, and its industry-standard status adds credibility to every audit you deliver.
#2
5 Tools That Pair Best With Ahrefs for a Complete SEO Workflow (2026)
Best technical audit partner for Ahrefs — Screaming Frog's deep crawl capabilities with Ahrefs API integration surface technical issues that Ahrefs' built-in site audit can't detect.
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