Attribution & Conversion Counting

1-Day View Attribution vs View-Through Conversions: Setting or Category

In short: View-through conversions is the general category for crediting people who saw an ad, never clicked, and converted anyway; 1-day view is the specific 24-hour window Meta uses to measure that category by default. Every 1-day view conversion is a view-through conversion, but the reverse is not automatic everywhere, since other platforms or products can allow a view window longer than a day. What stays constant regardless of the window is the requirement itself: no click, exposure only. Use the general term when talking across platforms, and the specific window name when you need the exact, fixed cutoff Meta actually applies.

By the AdFlint research team · Fact-checked against current Google and Meta platform behavior · Last reviewed July 2026

1-Day View Attribution

Counts a conversion when someone saw the ad without clicking it and converted within 24 hours of that impression.

A view means the ad was served and rendered to the person, not that they engaged with it, and clicks take precedence, so a view-through is only counted when no click exists in the window. It pairs with 7-day click as Meta's default setting. The frequent misreading is treating view-through conversions as incremental; many of those people would have converted anyway, which is what a lift test exists to check.

Full definition

View-Through Conversions

Counts people who were served your ad, never clicked it, and converted later within the view attribution window.

Both Google and Meta report these separately from click conversions, and both apply a shorter default window to views than to clicks. They matter most for display, video, and upper-funnel social, where the ad is seen far more often than it is clicked. The persistent error is adding view-through conversions straight into blended ROAS; without a holdout or lift test you have no evidence the impression caused anything.

Full definition

Side by side.

The differences that actually change what happens in your account.

 1-Day View AttributionView-Through Conversions
What it actually isOne specific window setting - 24 hours - within the view-through category.The category label for any conversion credited from exposure alone, no click.
What varies within itNothing - the duration is fixed by the setting's own name.The window length itself, which can differ by platform or product.
What stays constant regardless of windowNo click can exist in the window for credit to apply.Same requirement, just under whichever window length is active.
AvailabilityThe standard, typically only, view window Meta offers.The concept exists across platforms, even where the exact window length differs.
Strength relative to the categoryThe tightest, least speculative variant of it.Ranges from tightest to looser depending on which window a platform has set.
Failure modeAssuming this is the only possible view duration when comparing across platforms.Assuming a report labeled 'view-through conversions' always means a 24-hour cutoff, when the underlying window may differ.

What actually separates them.

01

View-through conversions is the category name for any conversion credited from mere ad exposure with no click, while 1-day view is the specific 24-hour window Meta uses to measure that category by default.

02

Every 1-day view conversion is a view-through conversion, but the reverse is not automatically true on platforms or products where the view window can be set longer than a day.

03

Changing the view window, where a platform allows it, does not change the fact that a conversion is view-through, it only changes how far back the impression can sit and still get credit - the same relationship a click window has to click-through conversions.

04

"View-through conversions" on its own says nothing about causal strength; the 1-day version is the tightest, least speculative variant of it, since a shorter gap between exposure and conversion leaves less time for something else to have caused the purchase.

05

A dashboard column simply labeled "view-through conversions" is almost always reporting whatever view window is active in the account's attribution setting, so before comparing that number across campaigns or platforms you need to confirm the window is actually the same.

Which one should you use?

Use 1-Day View Attribution when

  • You want a concrete, fixed window to set, rather than the more abstract category name.
  • You are comparing view-through performance across accounts and need to confirm both are using the same 24-hour cutoff.
  • You are running Meta campaigns where 1-day view is simply the option offered in the attribution setting.
  • You want the tightest, least speculative version of exposure-based credit.
  • You are building a report that needs an exact, fixed window to define what counts as recently exposed and converted.

Use View-Through Conversions when

  • You are describing to a stakeholder what a report is counting, without getting into the specific number of days.
  • You are comparing platforms where the view-through window is configurable, and need the umbrella term before specifying each one's duration.
  • You are auditing a blended report to identify which conversions came from exposure alone versus a prior click.
  • You are deciding whether to include any exposure-based crediting at all, before choosing how long that window should run.
  • You are building a general mental model of attribution before drilling into a specific platform's exact setting.

Common questions.

Is 1-day view the only view-through option Meta offers?

On Meta, 1-day view is the standard view window offered in the attribution setting, so in practice 'view-through conversions' on Meta usually means the 1-day version. Other ad platforms can define view-through windows with different lengths.

If a platform lets me pick a longer view window, is it still called view-through conversions?

Yes. View-through conversions is the category based on exposure without a click, regardless of the window length chosen - the day count is a separate setting layered on top of that category, not part of its definition.

Why does my view-through conversions column look different between two ad platforms?

Most likely because each platform is using a different default view window length, so the label reads the same but the underlying time cutoff isn't. Check each platform's attribution setting before comparing the numbers directly.

Or stop choosing between them.

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