View-Through Conversions

View-Through Conversions (VTCs) are conversions that occur when a user sees your Google Ads display or video ad, does not click it, but later visits your website and completes a conversion action within a specified lookback window (default 1 day). They measure the indirect influence of ad impressions on user behavior.

View-Through Conversions (VTCs) are conversions that occur when a user sees your Google Ads display or video ad, does not click it, but later visits your website and completes a conversion action within a specified lookback window (default 1 day). They measure the indirect influence of ad impressions on user behavior.

Key Takeaways

  • VTCs count conversions from users who saw but did not click your ad
  • Default lookback window is 1 day (configurable up to 30 days)
  • Only available for Display, Video, and Performance Max campaigns
  • VTCs are reported separately from click-through conversions and are not included in the standard “Conversions” column by default
  • They help measure upper-funnel campaign impact that click-based metrics miss

What Is a View-Through Conversion

View-Through Conversions capture the value of ad impressions that influence behavior without a direct click. A user sees a display banner or watches a portion of a video ad, does not click, but later navigates to your site through another channel (direct, organic, or a different ad) and converts.

Conversion TypeUser PathAttribution
Click-ThroughSees ad, clicks, convertsDirect: click to conversion
View-ThroughSees ad, does NOT click, converts laterIndirect: impression to conversion

The distinction matters because many users — especially on Display and YouTube — absorb ad messaging without clicking. VTCs attempt to quantify that influence.

How It Works

Google tracks view-through conversions using cookies and Google’s signed-in user data:

  1. User sees your ad — an impression is recorded
  2. User does NOT click — no click-through occurs
  3. User later visits your site — through any channel within the lookback window
  4. User converts — completes a tracked conversion action
  5. Google attributes a VTC — linking the impression to the conversion

Key rules for VTC attribution in the 2026 Google Ads system:

  • Click always wins — if the user clicked any Google Ads ad before converting, the click gets full credit and no VTC is recorded
  • Last impression wins — if multiple Display/Video ads were viewed, the most recent impression gets the VTC credit
  • Lookback window — configurable per conversion action (1 to 30 days, default 1 day)
  • Not in Conversions column — VTCs appear in a separate “View-through conv.” column and are not included in the default “Conversions” metric unless you modify your conversion settings

Practical Example

A furniture retailer runs a Display campaign alongside Search campaigns:

CampaignSpendClick ConversionsVTCsCombinedCPA (Click Only)CPA (Combined)
Search - Branded$3,0001200120$25.00$25.00
Search - Non-Brand$5,00050050$100.00$100.00
Display - Prospecting$4,00084553$500.00$75.47

Without VTCs, the Display campaign looks disastrous at $500 CPA on click-through conversions alone. With VTCs, the adjusted CPA drops to $75.47 — competitive with non-branded Search.

The question is: how much credit should VTCs receive? A conservative approach:

  • Weight VTCs at 50%: adjusted conversions = 8 + (45 x 0.5) = 30.5
  • Adjusted CPA: $4,000 / 30.5 = $131.15

Even at 50% weighting, Display prospecting delivers meaningful value. Without VTC data, the retailer might cut the Display budget entirely and lose the awareness pipeline feeding branded and direct conversions.

Why It Matters

View-through conversions are essential for evaluating upper-funnel campaigns that click-based metrics systematically undervalue:

  • Display and Video justificationDisplay campaigns and Video campaigns often have CTRs below 1%. Without VTCs, their contribution to conversions is massively understated.
  • Full-funnel measurement — VTCs reveal the relationship between awareness impressions and downstream conversions, connecting top-of-funnel investment to bottom-of-funnel results.
  • Budget allocation — ignoring VTCs leads to over-investing in lower-funnel channels (Search, branded) at the expense of the awareness campaigns that feed them.
  • Incrementality testing — compare VTC rates across audiences and placements to estimate which impressions are genuinely incremental versus coincidental.

Handle VTCs with appropriate skepticism. A 1-day window is more credible than a 30-day window. Weight VTCs at less than 100% of a click-through conversion. And always watch for correlation without causation — some VTCs would have converted regardless of seeing your ad. Use geo-based or holdout experiments to measure true incrementality when budgets are significant.

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