In this episode, let’s discuss what the problem is with using URL query string. It’s important for you to understand the problem first in order to solve it. Right? Do this episode before you move on. Let’s start by analyzing the speed of this lab using Pingdom’s website speed test. Here’s a link to the test that I ran. Running the test, it explains why it scores query strings: Resources with a “?” in the URL are not cached by some proxy caching servers. Therefore, the problem is that some proxy caching servers may not cache the resources. That means […]




