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Indicates that the server is currently unable to handle the request due to temporary overloading or scheduled maintenance.
Test any URL to verify whether it returns HTTP 503 Service Unavailable, measure TTFB latency, and trace redirect chains.
Safe when configured with Retry-After. Googlebot respects 503 during maintenance windows and will not de-index URLs if the downtime is temporary.
Execute this command to inspect headers and response codes from your terminal:
Technical answers and debugging guidelines for HTTP 503 Service Unavailable.
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