GTmetrix

developer tools 20 tools available

GTmetrix is a performance testing and monitoring tool that analyzes website speed, provides detailed performance reports, and helps optimize web applications for better user experience.

Connect GTmetrix Visit GTmetrix

About this integration

Connect GTmetrix to Definable to triage issues, review pull requests, monitor builds. Personas call GTmetrix's 20 tools directly from chat or scheduled flows. Wire it into a triage, review, or release-management persona — every action runs scoped, reviewable, and logged.

Connect GTmetrix to Definable and it becomes a set of typed tools your agents plan with — triggered by events, run on schedules, or invoked mid-conversation. Every write is checked by the verifier before it lands.

Auth OAuth2 · 2 clicks

Tools 20 exposed

Plans All, incl. Free

Data Never trained on

GTmetrix · in workflows

What teams actually run.

Three patterns teams run with GTmetrix on day one. Each one is a plain-English prompt — no canvas, no glue code — and you can remix them into anything.

Triage incoming issues

│ Webhook fires on every new issue

│ Persona summarises and labels it

└ Assigns the right engineer

Auto-review PRs

│ Pull the diff

│ Run a code-review persona

└ Post structured feedback as PR comment

Failing-build alerts

│ CI sends a failure event

│ Agent inspects logs and stack trace

└ Drops a debug summary in Slack

20 tools available

The GTmetrix toolbox.

Every GTmetrix capability your agents can call, each with a typed schema the planner reads. The router picks the right tool per step; the verifier checks the result.

Delete Page

Tool to delete a specific page in GTmetrix. Use when you need to permanently remove a page resource.

Delete Report

Tool to delete a GTmetrix report. Use when you need to remove an existing performance report from GTmetrix.

Get Browser Details

Tool to retrieve browser details from GTmetrix. Use when you need to get information about a specific browser including name, platform, supported features, and testing capabilities.

Get Browsers

Tool to retrieve the list of available browsers for GTmetrix performance tests. Use when you need to see which browsers are available and their testing capabilities.

Get Location Details

Tool to retrieve location details from GTmetrix. Use when you need to get information about a specific GTmetrix test location including name, region, browser support, IP addresses, and access permissions.

Get Locations

Tool to retrieve the list of available GTmetrix test locations. Use when you need to see which locations are available for testing and their details including supported browsers and access status.

Get Page Details

Tool to retrieve page details from the user's GTmetrix account. Use when you need to get comprehensive page information including URL, testing configuration, and monitoring frequency.

Get Page Latest Report

Tool to retrieve the most recent test report for a monitored page in GTmetrix. Use when you need to get the latest performance metrics and timing data for a specific page.

Get Page Reports

Tool to retrieve the report list associated with a monitored page in GTmetrix. Use when you need to access historical performance data for a specific page. Supports pagination, sorting, and filtering.

Get Pages

Tool to retrieve the page list from your GTmetrix account. Returns a paginated collection of monitored pages with their configurations and latest report information. Use when you need to view all monitored pages, check page configurations, or access latest report data.

Get Report

Tool to retrieve a GTmetrix test report by its identifier. Use when you need to get comprehensive performance metrics, timing data, and links to resources for a specific report.

Get Report Resource

Tool to get a report resource such as screenshot, HAR file, video, PDF, or Lighthouse JSON. Use when you need to download specific report artifacts that require API authentication.

Get Simulated Device

Tool to retrieve simulated device details. Use when you need information about a specific simulated device including its name, category, manufacturer, user agent, screen dimensions, and pixel ratio.

Get Simulated Devices

Tool to retrieve the list of simulated devices available in GTmetrix. Use when you need to see available device profiles for testing.

Get API Account Status

Tool to retrieve the current API account state and remaining credits. Use to check available API credits, refill schedule, and account features.

Get Test Details

Tool to retrieve test details for a specific GTMetrix test. Use when you need to check the status, configuration, or results of a previously initiated test.

Get Tests

Tool to retrieve the test list from your GTmetrix account with pagination and filtering support. Use when you need to view tests with their state, timestamps, and configuration details.

Retest Page

Tool to initiate a retest of a GTmetrix page with same parameters. Use when you need to create a new test using the same parameters as the most recent report for this page.

Retest Report

Tool to initiate a retest of a completed GTmetrix report with same parameters. Use when you need to rerun a test using the exact same analysis parameters as the original test.

Start Test

Tool to start a new GTmetrix test for a specified URL. Use when you need to analyze website performance with configurable options like location, browser, and throttling.

See it run

One prompt, start to finish.

A real prompt, the GTmetrix tools it calls, and what comes back. This is the whole interface — describe the outcome, agents handle the rest.

❯

Run a real GTmetrix task end-to-end — plan it, execute across the API, and hand back a verified result.

gtmetrix.delete_page Tool to delete a specific page in GTmetrix. Use when you need to permanently remove a page

gtmetrix.delete_report Tool to delete a GTmetrix report. Use when you need to remove an existing performance repo

gtmetrix.get_browser_details Tool to retrieve browser details from GTmetrix. Use when you need to get information about · verified

done

Done. GTmetrix responded across 3 calls, the verifier signed off, and the result is logged with every payload.

FAQ · GTmetrix

Questions, answered.

What teams ask before connecting GTmetrix.

01 What can I automate with GTmetrix on Definable?

Anything GTmetrix exposes through its API. Common developer tools workflows on Definable include triage issues, review pull requests, monitor builds. Personas can call any of the 20 GTmetrix tools directly, then chain the result into another integration without you writing code.

02 How does GTmetrix authentication work?

GTmetrix uses API_KEY on Definable. You connect once from the integrations page, scoped to the permissions you choose, and from then on any persona that has the integration enabled can act on your behalf. Tokens are encrypted at rest and rotated automatically.

03 Is the GTmetrix integration included in my Definable plan?

Yes — every Definable plan, including Starter, includes access to all 20 GTmetrix tools. You only need a separate GTmetrix subscription if GTmetrix itself charges per seat or per API call.

04 Is using GTmetrix through Definable secure?

Every call from a persona to GTmetrix is logged with the user, persona, prompt, and response. Tokens never leave Definable's secrets vault, scopes are configurable per persona, and you can revoke access at any time from the integration page.

05 How do I get started with GTmetrix on Definable?

Sign up for Definable, open the integrations page, find GTmetrix, and connect via OAuth or API key. You can immediately attach GTmetrix to any persona and start running workflows. The free Starter plan includes 5,000 credits/month.

06 What GTmetrix actions does Definable expose?

Definable exposes all 20 GTmetrix actions as callable tools — including `Delete Page`, `Delete Report`, `Get Browser Details`, plus 17 more. Each tool gets a typed parameter schema so personas know exactly how to call it.