gecko-dev/layout/base/tests/file_lazyload_telemetry.html
Sean Feng 71ce0cfc2a Bug 1687358 - Implement telemetry probes to determine the best possible threshold for <lazyload> r=emilio
This patch implements five telemetry probes to help us learn how
lazyload thresholds perform in the wild.

Differential Revision: https://phabricator.services.mozilla.com/D102845
2021-01-29 17:03:25 +00:00

10 lines
590 B
HTML

<!DOCTYPE HTML>
<html>
<body>
<img id="image1" src="image_rgrg-256x256.png" loading="lazy" style="display:block; width:100px; height:50vh; margin-bottom: 1px;">
<img id="image2" src="image_rgrg-256x256.png" loading="lazy" style="display:block; width:100px; height:50vh; margin-bottom: 1px;">
<img id="image3" src="image_rgrg-256x256.png" loading="lazy" style="display:block; width:100px; height:50vh; margin-bottom: 1px;">
<img id="image4" src="image_rgrg-256x256.png" loading="lazy" style="display:block; width:100px; height:50vh; margin-bottom: 1px;">
</body>
</html>