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Monitor landing page defacement with Snapshot Site, Discord and email

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Created by: Snapshot Site || snapshotsite
Snapshot Site

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Last update a day ago

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Quick Overview

This workflow runs every 15 minutes to compare a live landing page against a baseline screenshot using Snapshot Site, and alerts your team via Discord and email when the mismatch indicates possible defacement or hijacking.

How it works

  1. Runs every 15 minutes on a schedule.
  2. Uses Snapshot Site to compare the current landing page URL against a stored baseline screenshot URL and calculates a mismatch percentage.
  3. Checks whether the Snapshot Site comparison returned an API/comparison error and posts a failure message to Discord if it did.
  4. If the comparison succeeds, evaluates the mismatch percentage and treats 30% or higher as an abnormal change.
  5. Sends a defacement alert to a Discord channel and an email recipient in parallel when an abnormal change is detected.
  6. Ends without notification when the mismatch is below the alert threshold.

Setup

  1. Install the n8n-nodes-snapshot-site community node and add Snapshot Site API credentials.
  2. Set the baseline screenshot URL (beforeUrl) and the live page URL (afterUrl), and adjust the mismatch threshold as needed.
  3. Add a Discord Webhook credential and set the target Discord channel for failure and defacement alerts.
  4. Add an SMTP credential and update the from/to email addresses for the defacement email notification.