El Web Performance Working Group es el equipo que plantea distintas especificaciones que utilizar a la hora de trabajar con mediciones y buenas prácticas de Web Performance.
- Navigation Timing – Recommendation
This document provides an interface for web applications to access timing information related to navigation and elements. - Page Visibility (Second Edition) – Recommendation
This specification defines a means for site developers to programmatically determine the current visibility state of the page in order to develop power and CPU efficient web applications. - Performance Timeline – Recommendation
This specification defines an interface for web applications to access timing information related to navigation and elements. It is used by other specifications, like User Timing. - Resource Timing Level 1 – Candidate Recommendation
This specification defines an interface for web applications to access timing information related to HTML elements. - Navigation Timing Level 2 – Working Draft
This document provides an interface for web applications to access timing information related to navigation and elements. - Beacon – Candidate Recommendation
This specification defines an interoperable means for site developers to asynchronously transfer data from the user agent to a web server, with the user agent taking the responsibility to eventually send the data. - High Resolution Time Level 2 – Recommendation
This specification defines a JavaScript interface that provides the current time in sub-millisecond resolution and such that it is not subject to system clock skew or adjustments. - Network Error Logging – Working Draft
Navigation Error Logging defines an API to store and retrieve error data related to the previous navigations of a document. - Resource Hints – Working Draft
Resource Hints provides hints that authors may use to assist the user agent in fetching resources to improve page performance. - Frame Timing – Group Note
Frame Timing helps web developers measure the performance of their applications by giving them access to frame performance data to facilitate smoothness measurements. - Server Timing – Working Draft
Server Timing, part of the performance timeline metrics, provides API access to request-response cycle performance metrics communicated from the server to the user agent. - Performance Timeline Level 2 – Working Draft
This specification extends the High Resolution Time specification by providing methods to store and retrieve high resolution performance metric data. - Preload – Candidate Recommendation
This specification defines the relationship of the HTML Link Element (). preload<link> - Cooperative Scheduling of Background Tasks – Proposed Recommendation
The requestIdleCallback method is a more appropriate way for scheduling background tasks during times when the browser would otherwise be idle. - Reporting API – Working Draft
The reporting API provides a generic reporting framework which allows Web developers to associate a set of named reporting endpoints with an origin. Various platform features (like Content Security Policy, Network Error Reporting, and others) will use these endpoints to deliver feature-specific reports in a consistent manner. - Page Visibility Level 2 – Proposed Recommendation
Page Visibility defines a means to programmatically determine the visibility state of a document. This can aid in the development of power and CPU efficient web applications. - User Timing Level 2 – Recommendation
This specification defines an interface to help web developers measure the performance of their applications by giving them access to high precision timestamps. - Resource Timing Level 2 – Working Draft
This specification defines an interface for web applications to access the complete timing information for resources in a document. - Long Tasks API 1 – Working Draft
This document defines an API that web page authors can use to detect presence of “long tasks” that monopolize the UI thread for extended periods of time and block other critical tasks from being executed – e.g. reacting to user input. - Paint Timing 1 – Working Draft
This document defines an API that can be used to capture a series of key moments (First Paint, First Contentful Paint) during pageload which developers care about. - Device Memory – Working Draft
This document defines a HTTP Client Hint header to surface device capability for memory i.e. device RAM, in order to enable web apps to customize content depending on device memory constraints. - User Timing Level 3 – Working Draft
This specification defines an interface to help web developers measure the performance of their applications by giving them access to high precision timestamps. - Timing Entry Names Registry – Working Draft
This registry is intended to provide a central location for enumerating identified interface types of PerformanceEntry objects, which contain various data metrics for the the full lifecycle of a web application.