Most developers wait until performance becomes a problem before doing anything about it. By then, you're firefighting instead of building. Here are the optimizations you should implement from day one - they cost almost nothing upfront but save you fr...

You've probably ever wondered why your bank app asks for a PIN when you want to send money even after you logged in. Or why buying something online sometimes brings you to a different page asking for a text message code? Let's break this down simply....