Question 1

What is CORS?

Accepted Answer

CORS (Cross-Origin Resource Sharing) is a security mechanism that allows web servers to specify which origins are permitted to access their resources from a browser.

Question 2

How do I fix CORS errors?

Accepted Answer

CORS errors are fixed on the server side by sending proper Access-Control-Allow-Origin headers. You can also use a proxy server to bypass CORS during development.

Question 3

Why do I need a CORS tester?

Accepted Answer

A CORS tester helps you quickly verify whether a URL returns proper CORS headers, which is essential when building APIs or frontend applications that make cross-origin requests.