Performance Max
The campaign type that magnifies conversion-goal misconfiguration across six surfaces.
Read the entry →Stan Consulting · Marketing Atlas · Reference · Google Ads
Conversion Goals.
The set of conversion actions a Google Ads campaign optimizes against. The most-misconfigured surface in any account because Google's defaults treat add-to-cart and purchase as equally valuable.
Section 02 · Quick definition
Definition.
A conversion goal is the bundle of conversion actions a Google Ads campaign is optimizing toward. The bundle has a primary set (the actions Smart Bidding is told to maximise) and a secondary set (the actions tracked but not optimized against). The bundle is configured at account level by default and overridden at campaign level when the operator wants the campaign to optimize against a different signal. The configuration governs what the algorithm chases. Misconfiguration teaches Smart Bidding to chase the wrong outcome.
Section 03 · Why it matters
Why it matters.
Conversion goals matter because Smart Bidding optimizes against whatever it is told to optimize against, with no judgment about whether the goals are well-defined. If the primary goal set includes purchases at full value alongside add-to-carts at full value, the algorithm treats the two events as equally important. It will happily allocate spend to whatever drives the most events at the lowest cost, which is almost always the soft event. The campaign reports a high conversion count, the conversion rate looks excellent, and the actual revenue does not move.
The misconfiguration cascades. A Performance Max campaign optimizing against a noisy primary goal set converts whatever signal it gets into spend allocation across six surfaces. A Search campaign with the same goal set bids up on queries that drive add-to-cart events from non-buyers. A lead-gen account with form submissions and contact-form opens both at full value optimizes toward the easier event and away from the qualified-lead event. In every case the algorithm is doing what it was told.
The practical stake is that conversion-goal configuration is upstream of bid strategy, audience signal, and campaign type. Fixing the goal set is a precondition for any other Smart Bidding decision producing a useful answer.
Section 04 · How it works
How conversion goals shape bidding.
Google Ads stores conversion actions at the account level. Each action has an action type (purchase, lead, page view, sign-up, etc.), a value (per-conversion or transaction-specific), a count rule (one or every), and a category. Conversion goals are the layer that bundles these actions into goal sets that campaigns can optimize toward.
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Account-default goals
The default goal set applies to every campaign that has not been given its own goal-set override. New campaigns inherit the account default, so account-level goal hygiene drives the starting state of every campaign.
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Primary versus secondary
Primary goals are what Smart Bidding maximises. Secondary goals are tracked, reported, and used as observation signal. Marking add-to-cart secondary and purchase primary is the single most common fix in retail accounts.
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Conversion-action set overrides
A campaign can be assigned a custom conversion-action set instead of inheriting account defaults. This is the layer where a prospecting campaign can be told to optimize against new-customer purchases while a remarketing campaign optimizes against any purchase.
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Value rules and value-based bidding
Value rules adjust conversion values up or down based on audience, location, or device. Together with target-ROAS bidding, they let the algorithm chase revenue rather than transaction count, but only if the underlying conversion values are accurate.
Every campaign in the account is operating under some configuration of these layers. The configuration is rarely intentional. Most accounts have default account-level goals untouched since launch, no campaign-level overrides, every soft event marked primary, and no value rules applied. The result is Smart Bidding running blind toward the cheapest event.
Section 05 · Common misunderstandings
What people get wrong.
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“Smart Bidding will figure out which conversions matter most.”
Smart Bidding optimizes against the goal set it is given. If the goal set includes soft events at full value, the algorithm treats them as equally valuable and allocates spend accordingly. The algorithm has no opinion about which conversions matter.
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“Tracking more conversion actions improves performance.”
Tracking more actions is fine for observation. Including more actions in the primary goal set is the problem. The primary set should reflect the outcomes the operator actually wants paid for; everything else belongs in secondary.
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“Conversion goals are set during campaign creation and do not need revisiting.”
Goals drift as the business changes. New conversion actions get added, soft events get accidentally promoted, value rules go stale. A conversion-goal audit belongs on every quarterly account review.
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“Performance Max optimizes against a different goal set than Search.”
Performance Max inherits the same account-default goal set as everything else unless explicitly overridden. The misconfiguration that hurts Search hurts Performance Max worse, because Performance Max routes the noise across six surfaces instead of one.
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“Conversion values do not matter if we bid on conversion count.”
Maximize Conversions optimizes count, but switching to Maximize Conversion Value or target ROAS is the usual next step in account maturity. Conversion values must already be accurate before that switch, or the algorithm chases inflated values into the wrong allocation.
Section 06 · Diagnostic questions
Questions a Stan Consulting diagnostic asks.
What conversion actions exist in the account, and which are marked primary versus secondary in the default goal set?
Are any soft events (add-to-cart, page view, video play, button click) currently in the primary set, and is that intentional?
What conversion values are recorded per action, and were the values verified against the operator's actual revenue data?
Which campaigns inherit the account-default goal set and which have campaign-level overrides? What was the reason for each override?
Are value rules in use, and if so, do they reflect current segment-level economics or stale assumptions?
For Performance Max specifically, what conversion goals are attached and do they exclude soft events from optimization?
When was the last time the conversion-action setup was audited end-to-end against the operator's revenue source of truth?
Section 07 · Related Atlas entries
Adjacent reading.
Section 08 · Five Cents
Most of the “Smart Bidding does not work for us” complaints I hear in diagnostic calls are misdiagnosed. Smart Bidding is working. It is optimizing against the goals the operator gave it. The goals are wrong. Add-to-carts are sitting in the primary goal set next to purchases. A free PDF download is being valued at the same weight as a paid signup. A page-view event from a footer link is counted as a conversion. The algorithm did exactly what it was told and the operator concludes the algorithm is broken. The conversion goals are where the work happens. Audit the conversion-action setup before touching the bid strategy. Move soft events to secondary. Verify conversion values against the operator's actual revenue source. Then run Smart Bidding for two weeks and look again. Most accounts do not need a different bid strategy. They need a goal set that matches the outcome the business is paying for.
Stan · Marketing AtlasSection 09 · Sources
Sources.
- Google Ads Help · About conversion goals Official documentation on the goal-set structure, primary versus secondary actions, and account-default versus campaign-specific scope.
- Google Ads Help · About conversion tracking Reference for the conversion-action layer underneath goals, including action types, values, and count rules.
- Google Ads Help · About value rules Documentation for the value-rule layer that adjusts conversion values by audience, location, or device.
- Search Engine Land · PPC channel coverage Industry coverage of conversion-goal misconfiguration patterns, value-based bidding setup, and Smart Bidding diagnostics.
- Search Engine Journal · Google Ads coverage Practitioner reporting on conversion-action audits, primary-versus-secondary classification, and account-default hygiene.