Detect offboarded client links on PBN sites with Google Sheets and HTTP

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Automatically scan every PBN site in your Google Sheet, check if any removed client domain is still linked in the live HTML, and log all matches back into your tracking sheet — row by row, hands-free. What this workflow does Managing a network of PBN sites becomes risky the moment a client project gets offboarded. If the old link still exists on a PBN page, it can trigger a Google penalty, waste crawl budget, or simply point to a dead destination. Manually checking each PBN every time a projec