When you're browsing the web, there's nothing more frustrating than hitting the back button and having to wait for a page to reload. We've all been there—waiting for images to pop back up, scripts to run, and content to reappear. It slows down your experience and can be a real drag, especially if you're on a slower connection or an older device. That's where something called the Back/Forward Cache, or bfcache, comes in. It's a clever browser feature that lets you jump back and forth bet...