The Great Firewall of China, or as it’s officially called, the Golden Shield Project, is an internet censorship project to block people from accessing specific foreign websites. It is the world’s most advanced and extensive Internet censorship program. This project implements multiple techniques and tactics to censor China’s internet and controls the internet gateways to analyze, filter, and manipulate the internet traffic between inside and outside of China.

WebSockets have been around for over a decade now, but the real-time web existed long before they came. This preceding ‘real-time’ web was typically slower and hard to achieve. It was attained by hacking available web technologies that were not primarily built for real-time applications. There was no solution with TCP/IP socket-style capabilities in a web environment that could address all concerns associated with operating in a web environment.

Waterfall charts are diagrams which represent how website resources are being downloaded, parsed by the engine, in a timeline that gives us the opportunity to see the sequence and dependencies between resources. It assists in identifying where important events happened during the loading process. They can also let the user easily see how good or bad the performance of their website is, showing you exactly what is slowing down your site.

As a typical Internet user, nothing is more frustrating than waiting for a web page to display, only to receive a “Page Not Found” 404 error status code. Sure, we try reloading the page, and sometimes that gets the gremlins to start working, but most times, the issue is out of our hands. For all of us typical users, we either go onto the next thing or find a different site. There’s a lot going on in the background that most of us are completely unaware of.