This documents the crawl_failed issue type, which is triggered when a page returns a valid HTTP 2xx response but cannot be crawled.
The /api/204 endpoint returns HTTP 204 No Content:
net::ERR_ABORTEDcrawl_failed issueChecklist item: All pages can be crawled and indexed (all-pages-crawlable)
Issue type: crawl_failed
Category: Visibility
This should NOT trigger:
page_error issue (204 is not a server error)Detection logic: apps/worker/src/crawler.ts:evaluateAllPagesCrawlableCheck()
Issue type definition: packages/issuetypes/src/registry.ts:crawl_failed