Diagnostic walkthrough for a blocked Scrapy spider, covering IP reputation, rate shape, cookie and session state, header order, TLS/JA3, HTTP/2, JavaScript challenges, behavioral signals, and CAPTCHA, each with evidence, a cheapest test, a native Scrapy control, and its ceiling.
9 Mechanisms to Check When Your Scrapy Spider Gets Blocked in 2026
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August 31, 2026
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scrapfly