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Monitor website performance with Google PageSpeed, Sheets and multi-channel alerts

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Created by: SpaGreen Creative || spagreen

SpaGreen Creative

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Last update 4 hours ago

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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 the Google Sheet
  • 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 are determined as: excellent (90+), needs improvement (50-89), or poor (<50)
  • The workflow processes up to 10 websites at a time to avoid overwhelming the system
  • Different alert messages are generated based on performance severity levels

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