User-centric performance metrics | Articles | web.dev
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 | Articles | web.dev
Custom metrics Stay organized with collections Save and categorize content based on your preferences. There's a lot of value in having user-centric metrics that you can measure, universally, on any given website. These metrics let you: Understand how real users experience the web as a whole. Compare your site to a competitor's. Track useful and actionable data in your analytics tools without needi
クエリ修正を考慮した検索評価指標sDCGを使ってユーザーの検索体験を監視をしたい - エムスリーテックブログ
エムスリーエンジニアリンググループ AI・機械学習チームの中村(@po3rin) です。 好きな言語はGo。仕事では主に検索周りを担当しています。最近、ユーザーの検索体験の向上のために、以下の検索評価に関する本を読んでいました。 情報アクセス評価方法論 作者:酒井 哲也発売日: 2015/05/19メディア: 単行本 そこで今回は検索評価指標の1つであるsDCG (session-based Discounted Cumulative Gain)を使ってエムスリーの検索ログから体験の悪かった検索を抽出してみたのでその方法を紹介します。 現状の検索監視 現状の検索監視の問題 nDCG sDCG 線形横断 最下位クリックにおける検索結果の破棄 クリック＝適合文書 nsDCGを実際の検索ログに使ってみる sDCGを使って感じたこと まとめ We're hiring !!! Reference 現
Etsy Engineering | Measure Anything, Measure Everything
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
SPS: the Pulse of Netflix Streaming
We want to provide an amazing experience to each member, winning the “moments of truth” where they decide what entertainment to enjoy. To do that, we need to understand the health of our system. To quickly and easily understand the health of the system, we need a simple metric that a diverse set of people can comprehend. In this post we will discuss how we discovered and aligned everyone around on
Home | Metrics
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
Metrics that matter (Google Cloud Next '17)
Google has been building reliable, performant, scalable cloud-hosted software services since 1997. And along the way from 10 requests per second to 100 million per second, we’ve learned a few things about how to measure a software service - and also how not to. This talk will cover the three operational metrics which we consider most critical for every service Google offers. Missed the conference
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