Daniel Barcos danieltxok
anniesullie
/ CumulativeLayoutShiftBookmarklet.js
Last active
February 13, 2023 07:52
Bookmarklet for showing Cumulative Layout Shift
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| /** | |
| * A bookmarklet for viewing shifted elements while debugging | |
| * Cumulative Layout Shift (web.dev/cls). Works in Chrome 84+ | |
| * Shows the previous position of shifted elements in yellow, | |
| * and the new position in red. | |
| * | |
| * To install: | |
| * 1. Copy the code starting from the line beginning `javascript:` | |
| * 2. Add a new bookmark in Chrome, and paste the code in as the URL. | |
| **/ |