Bidding Strategies

Target ROAS vs Maximize Clicks: Return Target or Cheap Traffic

In short: Maximize Clicks spends the budget on the cheapest clicks available and knows nothing about revenue. Target ROAS is the constraint field inside Maximize Conversion Value, requiring a ratio of conversion value to spend before the bidder will enter an auction. Between them sits an entire conversion value tracking project.

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

Maximize Clicks

Automated Google strategy that spends the available budget to buy as many clicks as possible, optionally bounded by a maximum CPC limit.

Google buys the cheapest clicks it can find within your budget, which is why it drifts toward wide, low-intent queries when match types are loose. It is genuinely useful on new campaigns with no conversion history, for traffic goals, and as a temporary way to gather data. Always set the max CPC limit; without one, the strategy will pay whatever a single expensive term happens to cost.

Full definition

Target ROAS

Bids automatically toward a chosen ratio of conversion value to ad spend, entered as a percentage in Google Ads.

It is the target field inside Maximize Conversion Value, and it only functions when your conversion values are accurate and varied. Google predicts value per auction and bids up where it expects payback. Raising the target reduces volume, and that trade is the mechanism rather than a defect. The common error is picking an aspirational number the account has never reached, which starves delivery outright.

Full definition

Side by side.

The differences that actually change what happens in your account.

 Maximize ClicksTarget ROAS
What you enterAn optional max CPC limit.A percentage: conversion value divided by spend.
Data requiredNone.Accurate, varied conversion values on each conversion.
Where it livesA standalone bid strategy.A target field inside Maximize Conversion Value.
What it buysThe largest number of sessions the budget allows.Only auctions predicted to return above the ratio.
CPC behaviorPushed toward the cheapest inventory.Whatever a valuable auction costs, within budget.
Failure modeCPC limit left blank, so an expensive term drains the budget.An aspirational target the account has never reached, which starves delivery.

What actually separates them.

01

Maximize Clicks optimizes an input price while target ROAS optimizes an output ratio, so they disagree hardest on expensive high value auctions.

02

Target ROAS is inert without varied conversion values; with a single flat value it degrades into conversion counting expressed as a percentage.

03

Raising a target ROAS cuts volume by design, whereas raising a CPC limit increases volume, so the two levers move traffic in opposite directions.

04

Maximize Clicks can run on day one of a brand new account; target ROAS requires enough conversion value history for the model to price predictions.

05

Under Maximize Clicks the CPC limit is your risk control; under target ROAS the budget and the target are, and CPC stops being a useful health signal.

Which one should you use?

Use Maximize Clicks when

  • A brand new campaign with no conversion or revenue history.
  • Conversion values are not being sent and no work is underway to send them.
  • The objective is traffic to a content page, comparison page, or launch.
  • You need query volume fast to build out negatives before automating.

Use Target ROAS when

  • Real transaction values reach the account with each purchase and vary widely.
  • You can compute break-even return and want a floor above it enforced per auction.
  • The account already has a stable achieved return to anchor a target near.
  • Revenue rather than session count is the number you are judged on.

Common questions.

Can Maximize Clicks generate the data target ROAS needs?

Partly. It produces traffic and search term data, which helps you build negatives and validate pages, but it selects for cheapness, so the conversions it does produce are not representative of what value bidding will find. Use it to prepare the campaign structure, not to establish the target you will later set.

What target ROAS should I start with after running Maximize Clicks?

Take the return the account has actually achieved over a recent representative window rather than anything derived from the click buying period. A target above what the account has ever produced tells the bidder to decline nearly every auction, which appears as a delivery collapse rather than as improved efficiency.

Why is my CPC so much higher on target ROAS?

Because the strategy stopped avoiding expensive auctions and started buying the ones predicted to produce revenue, which are usually the costly ones. Read the campaign on conversion value against spend across a full conversion window. A CPC comparison against a strategy explicitly built to find cheap clicks will always look unfavorable.

Or stop choosing between them.

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