Who it's for

This n8n workflow is designed for website administrators, digital marketers, SEO specialists, and business owners who want to continuously monitor their website performance metrics. It provides a complete end-to-end system capable of automatically testing website performance using Google PageSpeed Insights API, analyzing the results, and sending notifications when performance falls below specified thresholds.

Features

• Automatically monitors website performance on scheduled intervals
• Tests websites on different devices (mobile/desktop) as configured
• Extracts Core Web Vitals metrics (LCP, FID, CLS)
• Generates performance scores and categorizes website status
• Provides actionable recommendations for performance improvements
• Sends alerts through multiple channels (Email, Telegram, Discord, WhatsApp)
• Updates Google Sheets with test results and maintains historical data
• Only tests websites that haven't been checked recently (configurable threshold)
• Processes multiple websites in batches to avoid API limits

Requirements

• Google PageSpeed Insights API key
• Google Sheets API access with OAuth2 credentials
• Notification service credentials (Gmail, Telegram, Discord, WhatsApp/Rapiwa)
• A Google Sheet with website URLs, device types, and alert thresholds configured

Important Notes

• Workflow runs on a scheduled trigger to automatically test websites
• Tests are only performed on websites that haven't been checked in the last 2 days
• Results are saved to a separate "report" sheet in Google Sheets
• The original "data" sheet is updated with the last processed date and website status
• Alert messages include performance scores, Core Web Vitals metrics, and recommendations
• Performance categories: excellent (90+), needs improvement (50–89), poor (<50)
• Processes up to 10 websites at a time to avoid system overload
• Different alert messages are generated based on performance severity

Support & Help

• WhatsApp: Chat on WhatsApp
• Discord: SpaGreen Community
• Facebook Group: SpaGreen Support
• Website: https://spagreen.net
• Developer Portfolio: Codecanyon SpaGreen