The Network Panel: Waterfall, Timing, Throttling, HAR and Request Overrides
In the Network panel, a request's Timing tab tells you whether slowness is in the network or on the server: for an endpoint that waits 800 ms, 803.1 of 803.9 ms is Waiting (TTFB). The Angular 22 HttpClient preflight, reading a CORS error, filter syntax, throttling, request blocking, Copy as cURL, Edit and resend, mocking with Local Overrides, sanitized HAR and a .NET 10 Server-Sent Events stream, with real outputs from Chrome 156.
8 Nov 2026
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10 min
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4
