What are third-party origin trials?
Origin trials are a way to test a new or experimental web platform feature. A third-party origin trial makes it possible for providers of embedded content to try out a new feature across multiple sites.
Preparing for AppCache removal
Chrome 85 removes support for AppCache by default. Most developers should migrate off AppCache now, and not wait any longer.
Monitor your web page's total memory usage with `measureUserAgentSpecificMemory()`
Learn how to measure memory usage of your web page in production to detect regressions.
Making your website "cross-origin isolated" using COOP and COEP
Use COOP and COEP to set up a cross-origin isolated environment and enable powerful features like SharedArrayBuffer, performance.measureUserAgentSpecificMemory() and high resolution timer with better precision.
Image policies for fast load times and more
Use optimized image policies to ensure your site is using the best performing images.
