---
title: "Multiple impression URLs in VAST/DAAST... which should I fire?"
slug: "multiple-impression-urls-in-vastdaast-which-should-i-fire"
updated: 2025-07-02T19:30:54Z
published: 2025-07-02T19:30:54Z
---

> ## Documentation Index
> Fetch the complete documentation index at: https://help.tritondigital.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Multiple impression URLs in VAST/DAAST... which should I fire?

You should fire *all* impression URLs individually.