CORS (Cross Origin Resource Sharing) enables web apps to securely access communicate across origins. But it comes with a performance penalty. In this tip, we'll discuss techniques for minimizing this penalty!

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Techniques for bypassing CORS Preflight Requests to improve performance CORS (Cross Origin Resource Sharing) enables web apps to communicate securely across origins. If you don't have full control over the target backend, this may prove complex or infeasible. If your web application makes a single call to the cross-origin backend, the benefits of this technique diminish due to complexity and the overhead. If you have multiple requests. This technique may work better.