Category: Tech

Learn how to attribute your Web Vitals data with debug information to help you identify and fix real-user issues with analytics Apr 1, 2021• Updated Apr 1, 2021 Google currently provides two categories of tools to measure and debug Web Vitals: Lab tools: Tools such as Lighthouse, where your page is loaded in a simulated Read More

An introduction to the 2021 Scroll Survey from the Chrome team Apr 15, 2021 We’ve been analyzing the results of the 2019 Mozilla Developer Network Web DNA Report for action items and follow up strategies to improve the top reported issues. A small sub-group on the Chrome team identified a group of issues related to Read More

Optimize cookie notices for performance and usability. Mar 30, 2021 This article discusses how cookie notices can affect performance, performance measurement, and user experience. Performance # Cookie notices can have a significant impact on page performance due to the fact that they are typically loaded early in the page load process, are shown to all Read More

A foundational overview of how to build a settings component of sliders and checkboxes. Mar 17, 2021 In this post I want to share thinking on building a Settings component for the web that is responsive, supports multiple device inputs, and works across browsers. Try the demo. Demo If you prefer video, or want a Read More

By building an automated performance testing and monitoring system, the Lowe’s Site Speed Team test pull requests against performance budgets, and prevent performance regressions going into production. Mar 23, 2021 Lowe’s is a nearly $90B home improvement retailer that operates about 2,200 stores and employs more than 300,000 associates. By building an automated testing and Read More

A foundational overview of how to build a tabs component similar to those found in iOS and Android apps. Feb 17, 2021 In this post I want to share thinking on building a Tabs component for the web that is responsive, supports multiple device inputs, and works across browsers. Try the demo. Demo If you Read More

By running an A/B test specifically focused on optimizing Web Vitals, Vodafone found that a 31% improvement in LCP led to 8% more sales, a 15% improvement in their lead to visit rate, and a 11% improvement in their cart to visit rate. Mar 17, 2021 Vodafone is a leading telecommunications company in Europe and Read More

Learn how to identify and fix layout shifts. Mar 11, 2021 The first part of this article discusses tooling for debugging layout shifts, while the second part discusses the thought process to use when identifying the cause of a layout shift. Layout Instability API # The Layout Instability API is the browser mechanism for measuring Read More

A foundational overview of how to build a responsive slide out sidenav Jan 21, 2021 In this post I want to share with you how I prototyped a Sidenav component for the web that is responsive, stateful, supports keyboard navigation, works with and without JavaScript, and works across browsers. Try the demo. If you prefer Read More

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