CustomJS This workflow corresponds to n8n.io template #5203 — we link there as the canonical source.
This workflow follows the Google Sheets → Slack recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"id": "xYHWzOasirB8h66T",
"meta": {
"templateCredsSetupCompleted": true
},
"name": "Monitor competitor SEO changes with CustomJS Scraper, Sheets & Slack alerts",
"tags": [
"customjs",
"scraper",
"seo",
"competitor-analysis",
"google-sheets",
"automation",
"monitoring",
"slack",
"content-tracking",
"web-scraping",
"alerting",
"n8n-community-nodes"
],
"nodes": [
{
"id": "ef41b994-e38a-46ab-9a2b-532e3d82e44b",
"name": "Schedule Trigger",
"type": "n8n-nodes-base.scheduleTrigger",
"position": [
0,
0
],
"parameters": {
"rule": {
"interval": [
{
"field": "weeks"
}
]
}
},
"typeVersion": 1.2
},
{
"id": "8a854cea-bb9c-447b-b3d8-91fd94edf8a9",
"name": "Get row(s) in sheet",
"type": "n8n-nodes-base.googleSheets",
"position": [
240,
0
],
"parameters": {
"options": {},
"sheetName": {
"__rl": true,
"mode": "list",
"value": "gid=0",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1sXsJitpuE8LFMKk_1VEL6n9tTKMcPWxgip_gSEG-x-o/edit#gid=0",
"cachedResultName": "Sheet1"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "1sXsJitpuE8LFMKk_1VEL6n9tTKMcPWxgip_gSEG-x-o",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1sXsJitpuE8LFMKk_1VEL6n9tTKMcPWxgip_gSEG-x-o/edit?usp=drivesdk",
"cachedResultName": "Competitor SEO Monitor"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 4.7
},
{
"id": "1e0d59b1-0561-4a29-9bd4-16e5e9a1b5ae",
"name": "Update row in sheet",
"type": "n8n-nodes-base.googleSheets",
"position": [
496,
240
],
"parameters": {
"columns": {
"value": {
"H1s": "={{ $json.h1s }}",
"H2s": "={{ $json.h2s }}",
"Date": "={{ new Date() }}",
"Title": "={{ $json.title }}",
"Websites": "={{ $('Get row(s) in sheet').item.json.Websites }}",
"Meta Description": "={{ $json.metaDescription }}"
},
"schema": [
{
"id": "Websites",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "Websites",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Date",
"type": "string",
"display": true,
"required": false,
"displayName": "Date",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Title",
"type": "string",
"display": true,
"required": false,
"displayName": "Title",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "Meta Description",
"type": "string",
"display": true,
"required": false,
"displayName": "Meta Description",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "H1s",
"type": "string",
"display": true,
"required": false,
"displayName": "H1s",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "H2s",
"type": "string",
"display": true,
"required": false,
"displayName": "H2s",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "row_number",
"type": "number",
"display": true,
"removed": true,
"readOnly": true,
"required": false,
"displayName": "row_number",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "defineBelow",
"matchingColumns": [
"Websites"
],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {},
"operation": "update",
"sheetName": {
"__rl": true,
"mode": "list",
"value": "gid=0",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1sXsJitpuE8LFMKk_1VEL6n9tTKMcPWxgip_gSEG-x-o/edit#gid=0",
"cachedResultName": "Sheet1"
},
"documentId": {
"__rl": true,
"mode": "list",
"value": "1sXsJitpuE8LFMKk_1VEL6n9tTKMcPWxgip_gSEG-x-o",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1sXsJitpuE8LFMKk_1VEL6n9tTKMcPWxgip_gSEG-x-o/edit?usp=drivesdk",
"cachedResultName": "Competitor SEO Monitor"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 4.7
},
{
"id": "8a512c88-90dc-49bb-aa95-3fa29963b27c",
"name": "Code \u2013 Extract SEO Elements",
"type": "n8n-nodes-base.code",
"position": [
256,
240
],
"parameters": {
"mode": "runOnceForEachItem",
"jsCode": "const html = $json.output || \"\";\n\n// Extract <title>\nconst title = html.match(/<title[^>]*>([^<]*)<\\/title>/i)?.[1]?.trim() || null;\n\n// Extract meta description\nconst metaDescription = html.match(/<meta\\s+name=[\"']description[\"'][^>]*content=[\"']([^\"']+)[\"']/i)?.[1]?.trim() || null;\n\n// Extract all <h1> headings\nconst h1s = [...html.matchAll(/<h1[^>]*>(.*?)<\\/h1>/gi)].map(m => m[1].trim()).join(\" \");\nconst h2s = [...html.matchAll(/<h2[^>]*>(.*?)<\\/h2>/gi)].map(m => m[1].trim()).join(\" \");\n\nreturn {\n json: {\n title,\n metaDescription,\n h1s,\n h2s\n }\n }\n;"
},
"typeVersion": 2
},
{
"id": "a73139cb-709b-4457-8c31-c88c17c6318d",
"name": "If \u2013 Check for SEO Changes",
"type": "n8n-nodes-base.if",
"position": [
720,
240
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 2,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "or",
"conditions": [
{
"id": "fbf35a1d-0fd6-4b58-a9cb-df5e6ca2df1c",
"operator": {
"type": "string",
"operation": "notEquals"
},
"leftValue": "={{ $('Get row(s) in sheet').item.json.Title }}",
"rightValue": "={{ $json.Title }}"
},
{
"id": "dd23caf7-3257-4482-b3f6-57b70ac63a45",
"operator": {
"type": "string",
"operation": "notEquals"
},
"leftValue": "={{ $('Get row(s) in sheet').item.json[\"Meta Description\"] }}",
"rightValue": "={{ $json[\"Meta Description\"] }}"
},
{
"id": "2c0160ac-d790-4f8b-990f-848633030898",
"operator": {
"type": "string",
"operation": "notEquals"
},
"leftValue": "={{ $('Get row(s) in sheet').item.json.H1s }}",
"rightValue": "={{ $json.H1s }}"
},
{
"id": "f55ca75f-4d60-4fa6-acec-1159858e6604",
"operator": {
"type": "string",
"operation": "notEquals"
},
"leftValue": "={{ $('Get row(s) in sheet').item.json.H2s }}",
"rightValue": "={{ $json.H2s }}"
}
]
}
},
"typeVersion": 2.2
},
{
"id": "31ac6d74-0837-407f-9ffe-537fc1d4b51a",
"name": "Slack Notification \u2013 Alert on Changes",
"type": "n8n-nodes-base.slack",
"position": [
976,
224
],
"parameters": {
"text": "=:warning: Competitor SEO Change Detected!\\nWebsite: {{ $('Update row in sheet').item.json.Websites }} \\n- Title: {{ $('Get row(s) in sheet').item.json.Title }} \u2192 {{ $('Update row in sheet').item.json.Title }} \\n- Meta Description: {{ $('Get row(s) in sheet').item.json['Meta Description'] }} \u2192 {{ $('Update row in sheet').item.json['Meta Description'] }} \\n- H1s: {{ $('Get row(s) in sheet').item.json.H1s }} \u2192 {{ $('Update row in sheet').item.json.H1s }} \\n- H2s: {{ $('Get row(s) in sheet').item.json.H2s }} \u2192 {{ $('Update row in sheet').item.json.H2s }} \\nDate: {{ $('Update row in sheet').item.json.Date }}",
"user": {
"__rl": true,
"mode": "list",
"value": "U05EAUS4JCD",
"cachedResultName": "hammadawan0007"
},
"select": "user",
"otherOptions": {}
},
"credentials": {
"slackApi": {
"name": "<your credential>"
}
},
"typeVersion": 2.3
},
{
"id": "6a588e49-0b7f-4146-a3f0-b757ae3d3cfa",
"name": "Scrape Website",
"type": "@custom-js/n8n-nodes-pdf-toolkit-v2.pdfToolkit",
"position": [
48,
240
],
"parameters": {
"url": "={{ $json.Websites }}",
"resource": "web"
},
"credentials": {
"customJsApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
}
],
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "09c629be-76e7-4f5a-a224-1111a55a56c1",
"connections": {
"Scrape Website": {
"main": [
[
{
"node": "Code \u2013 Extract SEO Elements",
"type": "main",
"index": 0
}
]
]
},
"Schedule Trigger": {
"main": [
[
{
"node": "Get row(s) in sheet",
"type": "main",
"index": 0
}
]
]
},
"Get row(s) in sheet": {
"main": [
[
{
"node": "Scrape Website",
"type": "main",
"index": 0
}
]
]
},
"Update row in sheet": {
"main": [
[
{
"node": "If \u2013 Check for SEO Changes",
"type": "main",
"index": 0
}
]
]
},
"If \u2013 Check for SEO Changes": {
"main": [
[
{
"node": "Slack Notification \u2013 Alert on Changes",
"type": "main",
"index": 0
}
]
]
},
"Code \u2013 Extract SEO Elements": {
"main": [
[
{
"node": "Update row in sheet",
"type": "main",
"index": 0
}
]
]
}
}
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
customJsApigoogleSheetsOAuth2ApislackApi
Pro
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About this workflow
This n8n workflow demonstrates how to monitor competitor websites for SEO changes by scraping content and updating a Google Sheet. It uses the Scraper node from customjs.space to extract HTML content and parse key SEO elements like , , , and meta description. Reads a list of…
Source: https://n8n.io/workflows/5203/ — original creator credit. Request a take-down →
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