so why should i care about this , usually this is used when you want to send some meta data to developer when testing on a staging environment or production environment
Lets go into practice ..
first how to export this in chrome you can press F12 or right click and then “Inspect element” and then in the network tab right click as shown in the bellow image
and then you can save this in a .har file on your disk
then we can import this in two ways