View Time Optimization

VTO is an email service created by Yahoo to help senders improve incremental and life-time subscriber value. It delivers a specific sender's marketing email when the subscriber opens their mailbox, and ensures the email appears in one of the top s...

Below is a high-level overview of how VTO works with a sender, Yahoo, and subscriber. Account set up  Sender activates a VTO account with Validity. VTO campaign set up through Validity's products Sender enters the subject line and from domain...

Prerequisites You must have DKIM implemented to use VTO. Learn how to set up DKIM and what a DKIM signature header looks like. Setting up a campaign The VTO platform does not take the place of your ESP or other sending platform. You still set up a...

There are four options available to identify a VTO campaign. You can match on subject line, existing X-header, VTO-specific X-header, or body tag, as long as the DKIM domain and selector also match. Note: For any DKIM/campaign identifier pair, onl...

View Time Optimization (VTO) identifies your campaigns using a combination of your DKIM signing domain (d=) and selector (s=) with the campaign identifier you select (subject line or X-header). In most cases, VTO will automatically detect your DKI...

Occasionally, you may need to edit a VTO campaign you have already begun to set up (draft) or completed setting up (running).   Campaigns that have not completed setup (draft) In VTO, find the campaign you want to edit and select the right arrow a...

Yes, continue to seed as you normally would. Filtering takes place at the gateway, before VTO happens in the inbox. So if your emails are immediately getting blocked or going to the spam folder, CoreSeeds will show you that information. You’ll als...

You can review your campaign performance report within 48 hours of campaign completion. In VTO, find the campaign you want to review and select the right arrow at the far right of the campaign row. At the top of the report is a campaign summary. T...

At the far right of the All Campaigns table, select the Export to CSV button (cloud icon). Your campaign will immediately download to your desktop. Columns include: Campaign Start: includes date and time Campaign End: includes date and time Statu...

At the top right of the VTO module, select the Credits & Usage button (gear icon). You can also select the right arrow button in the Credits Used tile. In the Credits & Usage slideout, you can see how many credits have been used from your total cr...

What performance improvements can I expect when using VTO? Yahoo cannot guarantee specific performance improvement targets for senders using VTO. However, senders using VTO for their campaigns have seen increases in both open and click-through rat...

VTO works with any ESP. You can send a VTO email using your sending domain, subject line, and DKIM information.

STO Offered from some ESPs and sending platforms, but not all. Sending an email at a specific time is based on past subscriber interactions and may not be delivered at the time a subscriber opens their mailbox. Requires subscriber-level data trac...

When comparing sender engagement data with Yahoo's VTO engagement data, senders should expect similar but not necessarily the exact same results.  For additional information on pixel tracking data, please read: Email open rates are actually up to...

Your email only receives VTO placement benefits when sending to subscribers located in the following countries and regions. Yahoo is expanding VTO coverage in the near future. Asia-Pacific (APAC) Australia Hong Kong India Indonesia Malaysia New Z...