The Sauce Labs Cookbook

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Front End Performance Testing


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Sauce Connect™ is a proxy server that opens a secure "tunnel" connection for testing between a Sauce Labs virtual machine or real device and a website or mobile app hosted on your local computer ("localhost") or protected behind a firewall. Sauce Connect Proxy is required only in situations where the website or app being tested in Sauce Labs is not publicly accessible. 

In addition to providing a means for Sauce Labs to access your application or website, Sauce Connect has some other benefits in your testing network architecture:

  • Serves as an alternative to whitelisting
  • Provides ability to monitor upstream traffic through a proxy like BrowserMob
  • Stabilizes network connections (e.g., detecting/re-sending dropped packets)

For information on downloading, setup and configuration in network architectures, please see Getting Started with Sauce Connect Proxy