If you're a web developer, interested in security, or just trying to troubleshoot a server problem, then it can sometimes be useful to see exactly what's powering a website. Wappalyzer is a free browser extension for Chrome and Firefox which identifies servers, content management systems, eCommerce platforms, analytics tools, advertising frameworks and more. The extension adds multiple icons to your Firefox address bar, each one representing a common web component (PHP, jQuery etc). There's also a separate Wappalyzer icon, and clicking this displays the full list, sometimes with their version numbers. Clicking the name of any package displays some statistics... [Continue Reading]