Screaming Frog SEO Spider

What it does

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Screaming Frog SEO Spider is a downloadable desktop application that crawls websites the way a search engine bot does, flagging broken links, duplicate titles, missing meta tags, redirect chains, and dozens of other structural issues. It has been a default technical audit tool for SEO practitioners for over a decade because it runs locally and gives full control over what gets crawled.

The real value is in the granularity. You can configure custom extraction rules to pull specific data off every page, render JavaScript heavy pages to see what Google actually sees, and export everything to a spreadsheet for a client report. It also generates and validates XML sitemaps directly from a crawl.

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Who this helps

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• A technical SEO running a pre migration audit before a client relaunches their website

• An agency ops person auditing a new client's site structure before building a strategy

• A developer checking for broken links and redirect chains after a large content cleanup

• Anyone who needs to crawl 500 pages or fewer for free before deciding whether to buy a license

Free tier:

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See the vendor site for current free tier details.