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Preventing Chrome and Edge Tab Throttling for Velaro Messaging Agents

Modern browsers manage battery and memory by slowing down tabs that are minimized or sitting behind other windows. Chrome calls this Memory Saver; Edge calls it sleeping tabs. Both work the same way: after a few minutes without focus, the browser reduces how often background tabs are allowed to run timers and background tasks.

For most websites this is invisible. For the Velaro Messaging agent workspace, it means the tab checking in with Velaro's servers can be delayed, sometimes by several minutes. The workspace eventually catches up, but an agent who has the tab backgrounded may see a new conversation, a routing alert, or a reconnect land later than expected.

This is a browser setting, not a Velaro issue, and it affects Chrome and Edge the same way regardless of which platform or product a team has open in that tab.

How to stop it in Chrome

  1. Open chrome://settings/performance (or the three-dot menu, then Settings, then Performance). Google's own guide is here: Personalize Chrome performance.
  2. Turn off Memory Saver, or, if your team wants Memory Saver on for other tabs, keep it on and instead add an exception.
  3. Under "Always keep these sites active," select Add, then add messaging.velaro.com.
  4. Close and reopen the tab so the setting takes effect.

How to stop it in Edge

  1. Open edge://settings/system (or the three-dot menu, then Settings, then System and performance). Microsoft's own guide is here: Learn about performance features in Microsoft Edge.
  2. Turn off "Save resources with sleeping tabs," or keep it on and add an exception.
  3. Under "Never put these sites to sleep," select Add, then add messaging.velaro.com.
  4. Close and reopen the tab so the setting takes effect.

A few other things that help

  • Keep the workspace tab pinned so it's easy to find and less likely to get buried.
  • Avoid minimizing the entire browser window during a shift; a visible-but-covered tab is treated differently by some browser versions than a fully minimized window.
  • Laptop power-saving modes (Windows Battery Saver, macOS Low Power Mode) can add their own throttling on top of the browser's. Turn these off while working a shift if you're on battery power.

The most reliable fix: the Velaro Messaging Desktop App

Browser settings can be reset by an update, an IT policy push, or a new machine, and the exception has to be re-added each time. The Velaro Messaging Desktop App runs as its own application window rather than a browser tab, so it is never subject to Chrome or Edge's background-tab throttling at all. Agents who install it don't need to touch any browser setting or remember to redo it later.

Download it here: Velaro Messaging Desktop (Windows) — a Mac build is also available. This is the recommended setup for any agent, or any team, that has noticed delayed alerts while running Velaro Messaging in a browser tab.

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