Element Timing API
This specification was published by the Web Platform Incubator Community Group. It is not a W3C Standard nor is it on the W3C Standards Track. Please note that under the W3C Community Contributor License Agreement (CLA) there is a limited opt-out and other conditions apply. Learn more about W3C Community and Business Groups. 1. Introduction This section is non-normative. Knowing when critical elem
GitHub - WICG/time-to-interactive: Repository for hosting TTI specification and discussions around it.
Web developers require more information on page load performance in the wild. No single moment in time completely captures the "loading experience". To give developers insight into the loading experience, we propose a set of key progress metrics to capture the series of key moments during pageload which developers care about. Time to Interactive (TTI) is the last and most important of these key mo
GitHub - w3c/longtasks: Long Task API
As the page is loading and while the user is interacting with the page afterwards, both the application and browser queue various events that are then executed by the browser -- e.g. the user agent schedules input events based on user’s activity, the application schedules callbacks for requestAnimationFrame and other callbacks etc. Once in the queue, these events are then dequeued one-by-one by th
Performance Timeline
Performance Timeline W3C Candidate Recommendation Draft 16 February 2024 More details about this document This version: https://www.w3.org/TR/2024/CRD-performance-timeline-20240216/ Latest published version: https://www.w3.org/TR/performance-timeline/ Latest editor's draft:https://w3c.github.io/performance-timeline/ History: https://www.w3.org/standards/history/performance-timeline Commit history
Content Performance Policy
This is an incomplete, extremely early draft and work in progress. You have been warned! This specification defines a set of directives that can be used by authors in order to opt-out of the user-agents' slow path and apply self-imposed interventions on their sites, in order to make sure that they are as fast as they can be, and that the user experience is not harmed by either first or third party
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Reducing the precision of the DOMHighResTimeStamp resolution · Issue #56 · w3c/hr-time
GitHub - w3c/webappsec-permissions-policy: A mechanism to selectively enable and disable browser features and APIs
Performance Timeline
HTTP Archive (HAR) format (Editor's Draft)
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