How do I get the (Responsive header) of the server response browser in a case test katalon

HELLO, How do I get the (Responsive header) of the server response browser in a case test katalon, AND IN THIS SAME GENDER ERROR WHEN FINDING AN EXAMPLE OF ANSWER 500, 401.

every ‘url load’ sequence (type the url in browser and press enter, for example) start’s with an HTTP GET request (in fact is starting with a DNS query but let’s skip that part for now, too much details)

So … simply send an GET request using an REST API object to the url and check the response code.

Found a nice article, may not be very accurate but you can make an overall idea how the browsers are actually working: