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Performance: resourcetimingbufferfull event

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since ⁨January 2020⁩.

Note: This feature is available in Web Workers.

The resourcetimingbufferfull event is fired when the browser's resource timing buffer is full.

Syntax

Use the event name in methods like addEventListener(), or set an event handler property.

addEventListener("resourcetimingbufferfull", (event) => { })

onresourcetimingbufferfull = (event) => { }

Event type

A generic Event.

Examples

Increasing size when buffer is full

The following example listens for the resourcetimingbufferfull event and increases the buffer size using the setResourceTimingBufferSize() method.

function increaseFilledBufferSize(event) {
  console.log(
    "WARNING: Resource Timing Buffer is FULL! Increasing buffer size to 500.",
  );
  performance.setResourceTimingBufferSize(500);
}

performance.addEventListener(
  "resourcetimingbufferfull",
  increaseFilledBufferSize,
);

Specifications

Specification
Resource Timing> # dom-performance-onresourcetimingbufferfull>

Browser compatibility

	Desktop					Mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on IOS	Samsung Internet	WebView Android	WebView on iOS
`resourcetimingbufferfull_event`	4622–57	79	35	3315–44	11	4625–57	35	3314–43	11	5.01.5–7.0	464.4–57	11