Pricing

from $0.01 / 1,000 results

GTmetrix Performance Tester

Automated website performance testing using GTmetrix. Get Core Web Vitals, PageSpeed scores, waterfall analysis & optimization recommendations. Batch test multiple URLs.

Pricing

from $0.01 / 1,000 results

Rating

0.0

(0)

Developer

The Howlers

Actor stats

Bookmarked

Total users

Monthly active users

22 days ago

Last modified

Before You Start

This actor requires your own API credentials to fetch real data.

Where to get your key: Your GTmetrix API key. Get a free key at https://gtmetrix.com/api/

Quick Start

Run with real data

{
  "urls": [
    "https://example.com"
  ],
  "apiKey": "YOUR_API_KEY_HERE",
  "location": "1",
  "browser": "3",
  "adBlock": false,
  "waitForFullyLoaded": true
}

Input Parameters

Parameter	Type	Default	Required	Description
`urls`	array	-	No	List of website URLs to test for performance.
`apiKey`	string	-	Yes*	Your GTmetrix API key. Get a free key at https://gtmetrix.com/api/
`apiEmail`	string	-	No	Email address associated with your GTmetrix account.
`location`	string	`"1"`	No	Server location for the test.
`browser`	string	`"3"`	No	Browser to use for testing.
`adBlock`	boolean	`false`	No	Block ads during the test.
`waitForFullyLoaded`	boolean	`true`	No	Wait until the page is fully loaded before measuring.
`webhookUrl`	string	-	No	URL to POST results when scraping completes (Zapier, Make, n8n, custom endpoint)

Pricing

This actor uses pay-per-event billing:

Event	Description	Price
Test Completed	Each GTmetrix performance test completed	$0.08

Troubleshooting

"API key is required"

Add your API key in the input

"API error 403" or "Unauthorized"

Your API key is invalid, expired, or doesn't have access to this specific API endpoint. Double-check your key and account permissions.

"API error 429" or "Rate limit"

Too many requests. Wait a minute and try again, or reduce the number of items per run.

No results or empty dataset

Check the run log for error messages. Common causes:

Invalid input format (check the examples above)
API key without proper permissions
The target data doesn't exist or is too small to track

How do I test without an API key?

Run the actor without apiKey and apiEmail (or set demoMode to true). It returns labeled sample performance reports so you can see the exact output format. Every sample item carries demo: true and a _notice field, and sample runs charge no task events. Provide your own GTmetrix API credentials to test real URLs.

Built by John Rippy | Actor Arsenal

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