--- title: "Monitoring Node App Performance with Two New Node APIs" publication: "Node Weekly" issue: 216 published_at: "2017-11-30" canonical_url: "https://nodeweekly.com/issues/216" --- Monitoring Node App Performance with Two New Node APIs This week's Node news[Read this e-mail on the Web](http://nodeweekly.com/issues/216) Node WeeklyNovember 30, 2017 #216 Vladimir de Turckheim [Monitoring App Performance with 2 New Node APIs](https://blog.sqreen.io/diy-node-apm/)Building a tool to monitor Node app performance is easy with the Async Hooks and Performance Hooks APIs. Learn how in this tutorial. Benedikt Meurer [An Introduction to Speculative Optimization in V8](https://ponyfoo.com/articles/an-introduction-to-speculative-optimization-in-v8)A low-level look at what V8’s Turbofan optimizing compiler does behind the scenes to get your code running faster. StreamSponsor [Build Activity Streams with Node.js](https://getstream.io/build/social-networks/node/?utm_campaign=Online%20Advertising&utm_source=Node%20Weekly&utm_medium=Node%20Weekly%20Newsletter&utm_content=October)Power the backbone of your Node.js Social Network with the Stream API. Speed up your development. [![Stream\](https://copm.s3.amazonaws.com/6a900e1d.png)](https://getstream.io/build/social-networks/node/?utm_campaign=Online%20Advertising&utm_source=Node%20Weekly&utm_medium=Node%20Weekly%20Newsletter&utm_content=October) Sam Roberts [Why (and How) to Use ESLint in Your Project](https://medium.com/the-node-js-collection/why-and-how-to-use-eslint-in-your-project-742d0bc61ed7)[ESLint](https://eslint.org/) is a flexible linter for JavaScript and JSX that can ensure your code meets a certain style and doesn’t suffer from common problems. 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