Automate website performance analysis and comparison using Gemini and PageSpeed Insights

Description

Know exactly how fast your site is, without opening a single tool. The Page Speed Insight workflow audits website performance with the Google PageSpeed Insights API and Gemini, then delivers clear, actionable reports straight to Discord. Single URL or side-by-side comparison, your call.



Disclaimer: this workflow uses the community node Google PageSpeed Insights Community Node

Last updated: September 2026.

Why Use Page Speed Insight?

Save Time:** Analyze and compare website speeds instantly, no manual tool juggling.
Eliminate Guesswork:** Get audit reports that turn technical data into clear next steps.
Improve Website Outcomes:** Spot critical bottlenecks and fixes, prioritized by AI analysis.
Seamless Integration:** Drop in URLs and receive reports via Discord, ready for team discussion.

Who Is This For?

Webmasters and website owners seeking fast, automated performance checks
SEO analysts who need consistent, data-backed website comparisons
Developers requiring clear, prioritized action points from performance audits
Digital agencies managing multiple client sites with ongoing monitoring needs

What This Workflow Does

Trigger:** Discord message containing URLs or scheduled execution
Parse:** Extracts URLs and determines analysis type (single/comparison)
Analyze:** Calls Google PageSpeed API for performance data
Process:** AI turns raw Lighthouse JSON into user-friendly reports
Deliver:** Sends chunked reports to Discord channels
Log:** Stores execution data for review and improvement

Setup Instructions

Import the provided JSON workflow into your n8n instance

Set up credentials for:
Google PageSpeed API (ensure you have a valid API key — get yours here)
Discord Bot API (developer docs) with permissions to read messages and send messages in your chosen guild/channel

Customize the workflow by adjusting:
Discord guild and channel IDs where messages are monitored and results posted
Scheduled trigger interval if needed
Any prompt text or AI model parameters to tailor report tone and detail level

Test thoroughly with real URLs and Discord interaction to confirm smooth data flow and output quality

Pre-Requirements

Active n8n instance (Cloud or self-hosted)
n8n Google PageSpeed community node
Google PageSpeed Insights API key
Discord Bot credentials with channel access
Google Gemini AI credentials (recommended)

Customize It Further

Extend to analyze desktop performance or other device types easily by modifying the PageSpeed API call
Integrate with Slack, email, or other team tools alongside Discord for broader notification
Enhance report depth by adding more AI-driven insights like competitor site recommendations or historical trend tracking

Nodes Used

Google PageSpeed Insights Community Node
Discord (getAllMessages, sendMessage)
Code (URL parsing, message chunking)
AI Language Model (Google Gemini)
Schedule Trigger
Switch (message type handling)
Sticky Notes (workflow guidance)

Quick Answers
How do I run an audit?
Send URLs in a Discord message or let the schedule trigger it automatically.
Single URL or comparison?
Both. It detects whether you sent one URL or several and adjusts the analysis.
What do I need first?
A Google PageSpeed API key, Discord bot credentials, and Gemini credentials.

Support

Made by: khmuhtadin
Tag: automation, performance, SEO, google-pagespeed, discord
Category: Monitoring & Reporting

Need a custom solution? Contact Me

Additional info
Built with n8n. Need an assessment on your business? Feel free to reach out at https://khmuhtadin.com/consultation/