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Disclaimer: This content applies to LM APM Synthetics, and will be removed at a future time. At the time of removal, you will automatically be redirected to the up-to-date content. LogicMonitor is transitioning synthetic monitoring capabilities to Synthetics and Internet Performance Monitoring, our more robust long-term solution solution with enhanced capabilities. For up-to-date content, see the Synthetics and Internet Performance Monitoring documentation.

Selenium Monitoring Setup

Last updated – 17 July, 2026

You can monitor your websites by setting up Selenium on your LogicMonitor setup by installing a reachable Selenium Grid and configuring your Collector. This enables seamless integration of Selenium Webchecks and synthetic performance insights directly in your LogicMonitor portal.

Setting up Selenium monitoring involves the following:

  1. Installing the Selenium Grid 
  2. Updating the LogicMonitor Collector for Synthetics
Selenium monitoring setup diagram

General Requirements for Setting up Selenium

To set up Selenium Synthetics with LogicMonitor, you need the following:

  • Selenium Grid 4
    For information, see Selenium Grid 4 from Selenium documentation.
  • LogicMonitor Collector 34.100 or later

Note: You must install the Collector in an environment with network access to the Selenium Grid. For more information, see Adding Collectors.

Note: Set the Shared memory (/dev/shm) value to a minimum 2GB to ensure the browser-based test runs successfully.

Installing the Selenium Grid 

You can install the Selenium Grid in the following two ways:

Updating the LogicMonitor Collector for Synthetics

  1. In LogicMonitor, navigate to Settings > Collectors > select the Collector that has access to the Selenium Grid
  2. Select the More menu against the collector and then select Collector Configuration.
  3. In the Agent Config tab, enter the Selenium Grid URL to the synthetics.selenium.environment.grid.url property.
    Agent config Selenium url
  4. Select Save and Restart.
    The Collector restarts with the Selenium Webcheck assigned to it.