Product information
We want to help you use, understand, and get the most out of the products you own. Use this section to get answers to your product-related questions. You can also find downloadable user guides for each product; these guides give you even more detailed information about certain features.
View Time Optimization
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What is View Time Optimization (VTO)?
VTO is an email service created by Verizon Media to help senders improve incremental and life-tim...
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How does View Time Optimization (VTO) work?
Below is a high-level overview of how VTO works with a sender, Verizon Media, and subscriber. Ac...
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What campaign identifiers may be used with View Time Optimization (VTO)?
There are four options available to identify a VTO campaign. X-header (existing) A sender can us...
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View Time Optimization (VTO) FAQ
What performance improvements can I expect when using VTO? Verizon Media cannot guarantee specifi...
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Does my ESP support sending campaigns with View Time Optimization (VTO)?
VTO works with any ESP. You can send a VTO email using your sending domain, subject line, and DKI...
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How does View Time Optimization (VTO) differ from Send Time Optimization (STO)?
STO Offered from some ESPs and sending platforms, but not all. Sending an email at a specific ti...