Change watch for webpage link extractor: runs the check and compares it with the result from your previous call for the same url (kept 90 days), returning the current answer, changed true/false, exactly which fields changed with before/after values, and when it was last seen. Call it on a schedule to be told when extract all outbound links from a web page's main content as absolute urls, plus its headings outline and title changes. $0.01 per check.

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