User-centric performance metrics Stay organized with collections Save and categorize content based on your preferences. We've all heard how important performance is. But when we talk about performance, and about making websites "fast", what specifically do we mean? The truth is that performance is relative: A site might be fast for one user (on a fast network with a powerful device) but slow for a
Custom metrics Stay organized with collections Save and categorize content based on your preferences. Having universal, user-centric metrics that you can measure on any website can be very helpful in understanding how your users experience the web, and in comparing your site to competitors'. However, in many cases, you need to measure more than just the universal metrics to capture the full experi
If Engineering at Etsy has a religion, it's the Church of Graphs. If it moves, we track it. Sometimes we'll draw a graph of something that isn't moving yet, just in case it decides to make a run for it. In general, we tend to measure at three levels: network, machine, and application. (You can read more about our graphs in Mike's Tracking Every Release post.) Application metrics are usually the ha
Metrics is a Java library which gives you unparalleled insight into what your code does in production. Metrics provides a powerful toolkit of ways to measure the behavior of critical components in your production environment. With modules for common libraries like Jetty, Logback, Log4j, Apache HttpClient, Ehcache, JDBI, Jersey and reporting backends like Graphite, Metrics provides you with full-st
Data-Driven Metric Development for Online Controlled Experiments: Seven Lessons Learned Online controlled experiments, also called A/B testing, have been established as the mantra for data-driven decision making in many web-facing companies. In recent years, there are emerging research works focusing on building the platform and scaling it up [34], best practices and lessons learned to obtain trus
Web Analytics 101: Definitions: Goals, Metrics, KPIs, Dimensions, Targets It is surprising how often these "simple" things come up. "What is the difference between a metric and a key performance indicator (KPI)?" "What is a dimension in analytics?" "What is segmentation?" "Are goals metrics?" And many more. There seems to be genuine confusion about the simplest, most foundational, parts of web met
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