See how the server responds to a request and whether the request is handled successfully.
The HTTP response code provides important information about whether the server can provide a response, whether it's redirecting to a new URL, whether the request is rejected, or whether an error occurs when trying to handle the request.
Check the detailed response headers sent by the server to understand how the response is being handled.
Content Delivery Networks often tell you what edge node handled the request and whether the CDN cache was hit.
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