Image Assets on Search Campaigns: When to Turn Them Off

Image assets let a Search ad show a photo or graphic next to the text, and the decision to keep them on should come from asset-level reporting, not from how the ad looks when you preview it. Format limits, content policy, and the gap between clickthrough and lead quality all point the same direction: judge the numbers per ad group before assuming a picture helps.

What are image assets on a Search campaign?

Image assets are an optional asset type that can attach a still image to an eligible responsive search ad, shown alongside the headlines and descriptions on some placements. They are opt-in at the campaign or ad group level and are separate from the images used inside Performance Max or Demand Gen, which run in different placements under different rules.

Google documents the current eligibility and setup requirements on the image extensions help page, including which industries and account histories qualify. An account with recent policy violations or a thin conversion history may not be offered the option at all.

What format and content policy limits apply?

Google enforces both a technical format spec and a content policy on top of it. The format spec covers minimum resolution, aspect ratio, and file size; images that fail the check are rejected before they ever serve. The content policy is stricter than it looks at first: no overlaid text, no logos as the entire image, no stock-photo watermarks, and no imagery that misrepresents the product or service being advertised.

• Square and landscape crops are both required; submitting only one often means the asset never serves in the placements that need the other.
• Faces, packaging, and real locations tend to clear review faster than illustrations or abstract graphics.
• Text baked into the image, including a logo wordmark, is a common rejection reason.
• An image that does not match what the landing page actually shows can be rejected on relevance grounds, not just format.

The full requirements sit under Google's advertising content policies rather than a single page, so an image that clears the format check can still be rejected on a content ground unrelated to file size.

What effect do image assets have on clickthrough?

A photo next to a text ad tends to draw the eye, and asset reporting on accounts running them usually shows a clickthrough lift on the placements where the image serves. That is the easy part to see and the part most people stop measuring at. Clickthrough rate answers whether more people looked; it does not answer whether the people who clicked were the people the ad group is built to reach, which is the same gap covered in responsive search ads when a headline combination pulls clicks without pulling qualified ones.

Do image assets change lead quality, not just clicks?

This is where the decision actually gets made. An image that is generic, decorative, or only loosely related to the search term can pull in clicks from people who were reacting to the picture rather than the offer, and that shows up downstream as a lower conversion rate or a rise in unqualified form fills. If the landing page and the image do not agree on what the business does, the mismatch shows up the same way a broken message match between ad and landing page does, just carried by a picture instead of a headline.

The only way to know which effect is happening in a given account is to compare cost per lead and lead quality on ad groups with image assets against otherwise similar ad groups without them, not to assume a clickthrough lift is automatically a good sign.

When should image assets be turned off?

Turn them off when asset reporting shows a clickthrough lift with a flat or worse conversion rate, when the business sells something a photo cannot represent honestly at ad size, or when review keeps rejecting every image submitted and the team is spending more time on compliance than the asset is worth. They are also a poor fit for campaigns where the search term itself is doing the qualifying work, since a picture adds visual noise to a query that was already specific enough to convert on text alone.

How do you judge image assets from asset reporting instead of instinct?

Open the Ads and assets view, filter to the image asset type, and read performance labels alongside conversion data rather than impressions alone. A best-performing label from Google reflects combination testing against other assets in the same ad group, not a comparison against having no image at all, so the labels answer a different question than the one that decides whether to keep the feature on.

Where the numbers are ambiguous, an experiment that splits traffic with and without image assets removes the guesswork; the same discipline used to find where wasted ad spend hides applies here, because a clickthrough gain that does not survive contact with cost per lead is spend without return.

Judge image assets on cost per lead against a matched ad group without them, not on clickthrough rate or how the ad looks in preview.