The server detected an infinite loop while processing the request.
HTTP 508 Loop Detected (WebDAV) indicates the server detected an infinite loop while processing a request with "Depth: infinity". This prevents the server from being stuck in an endless cycle.
Search engines cannot crawl content trapped in a loop. This effectively hides content from indexing.
LemWatch detects redirect loops and infinite chains. It will alert you before search engines give up trying to crawl your content.