integrity

Install command: 
brew install --cask integrity

Name: Integrity

Tool to scan a website checking for broken links

https://peacockmedia.software/mac/integrity/

Cask JSON API: /api/cask/integrity.json

Cask code: integrity.rb on GitHub

Current version: 12.10.3

Current version requires: macOS >= 10.14

Analytics:

Installs (30 days)
integrity 10
Installs (90 days)
integrity 26
Installs (365 days)
integrity 116
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