Have you ever gone to post an update on Facebook and linked to a page on your site, only to find that Facebook wasn’t pulling in the latest version of that URL? It’s really frustrating to have content you want to promote and see an empty link in the wall update! The reason this happens is because FB caches everything, or maybe more accurately, SUPER CACHES EVERYTHING. It’s impressive from a technical standpoint and makes sense...

I’m testing a new site right now and part of my process required load testing of the “add to cart” functionality. To do this, I wanted to have multiple “users” all on the system at the same time, each adding the same item to their cart. JMeter seemed like the logical way to deal with this, but figuring out how to get it to handle various usernames and passwords wasn’t that easy. After some trial and error and...