home/categories/testing/j-r-beckett-speedreader-claude-skills-page-diff-skill-md
testingtesting-security

page-diff

Visual regression testing for web pages. Compares screenshots to detect UI changes, generates overlay images highlighting differences. Use after making frontend changes to verify visual correctness, catch unintended side effects, or validate that changes look as expected.

j-r-beckett
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j-r-beckett
Updated 1/6/2026
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quick start

Installation and usage

Visual regression testing for web pages. Compares screenshots to detect UI changes, generates overlay images highlighting differences. Use after making frontend changes to verify visual correctness, catch unintended side effects, or validate that changes look as expected.

Installation
$ install --globalskills.sh
Usage

Once installed, you can use this skill by running the following command in your terminal:

skills use page-diff