Experimentation


  • Intro to Search: Measurement

    Welcome to the third part of our mini-series “Intro to Search.” In my previous posts, I’ve discussed the characteristics of great search results and what a search engine looks like from the inside. But, how do we know if our algorithms actually deliver relevant search results? The answer is, of course, by measurement! There is…

  • Data for nothing and bytes for free

    WordPress.com is a freemium service, meaning that our awesome blogging platform is provided for free to everyone, and we make money by selling upgrades. We process thousands of user purchases each week and you might expect that we know a lot about our customers. The truth is, we are still learning. In this post, we…