Page Load Event (Timing)



Page load timing are events that occurs during a page load.

The snapshot below is the timing timeline in the devtool performance tab of a page load.

Browser Devtool Performance Page Load Timing


Discover More
Browser - DOMContentLoaded event (page load)

DomContentLoaded is a page load event that signals that the parser has finished the construction of the DOM. The resources at the left or touching the blue line are blocking the construction of the DOM....
DOM - Document Loaded - onload event

The load event is an event that is fired / emitted on: an HTML element that fetch resources on the browser window when the page has finish loading. This event is a timing page load event To...
Page (Load|Speed) Metric - First Contentful Paint (FCP)

First Contentful Paint (FCP) : is a page load timing metrics that measures the time: from navigation to the time when the browser renders the first bit of content from the DOM (which may be text,...
Page Loading Key Moment
Web - Timeline of a page load (Page Speed|Page Latency)

Page load is the latency performance metrics that cumulates: TCP latency (ie how fast, the network will receive the HTTP request and send back the HTTP response ) HTTP latency (ie how fast the web...
Devtool Chrome Performance Frames
requestAnimationFrame Web Api

requestAnimationFrame is a window function that permits to run code when a frame is going to be painted. Avoiding layout shift. For instance, when you create a fixed top bar, you need to set two...

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