Yo, headers are lowkey important! Think of them as the "settings" for your web requests. They handle auth, cookies, caching, even compression (which makes stuff load faster).
Bad headers won’t break your site, but they can make it slower or less secure. Like if you forget `Cache-Control`, your users might download the same file over and over.
For real-world examples, GTmetrix or WebPageTest show how headers impact load times.
Bad headers won’t break your site, but they can make it slower or less secure. Like if you forget `Cache-Control`, your users might download the same file over and over.
For real-world examples, GTmetrix or WebPageTest show how headers impact load times.