Web developers are constantly clicking the refresh button in their browser to see their latest changes. It almost becomes like a nervous tick, clicking that refresh to get that fix. And it's frustrating when changes on the backend don't result in the reward-inducing changes in the page loaded by the browser.
Web page caching explained
There's two levels of caching, and we deal with them in different places. First, there's flushing any cached resources in the browser, whether in the browser's memory or in files. And then there's requesting non-cached resources from the web...