Webpage change detection & alerts with Google Suite and hash tracking
Ready for 3.0Ready for 3.0. This template uses no nodes that n8n 3.0 removes. No removed nodes, versions or helpers found. Static check, last run 2026-10-19.
What this workflow does
This workflow has 10 nodes and runs on a schedule (every day). Along the way it connects Gmail, Google Sheets and Google Drive.
How it runs
Trigger: On a schedule (every day).
- Variables (Edit Fields (Set)): sets 1 field: url
- Fetch Webpage (HTTP Request): calls an HTTP API
- Extract Contents (HTML): parses or builds HTML
- Markdown: converts between Markdown and HTML
- Get Hash of Contents (Crypto): hashes or encrypts values
- Only New Hashes (Remove Duplicates): removes duplicate items
- Take a Snapshot (Google Drive): create from text
- Log Record (Google Sheets): append
- Notify of Change (Gmail): uses Gmail
Services it uses
Scraping pages by hand? Firecrawl is a simpler option (10% off for new users).
Before you upgrade to n8n 3.0
Nothing in this workflow is removed in n8n 3.0, so it should import and run after the upgrade.
Nodes used (10)
- Schedule Trigger
n8n-nodes-base.scheduleTrigger - Crypto
n8n-nodes-base.crypto - Gmail
n8n-nodes-base.gmail - Markdown
n8n-nodes-base.markdown - Edit Fields (Set)
n8n-nodes-base.set - Remove Duplicates
n8n-nodes-base.removeDuplicates - Google Sheets
n8n-nodes-base.googleSheets - HTTP Request
n8n-nodes-base.httpRequest - HTML
n8n-nodes-base.html - Google Drive
n8n-nodes-base.googleDrive
From the author
This n8n template can monitor and detect changes to a webpage's contents and notify you only when a change occurs. Great to keep an eye on and track publicly available documents such as company TOS, government policy or competitor pages. How it works A…