Searches for frequency capping in Google Ads have more than doubled in the last six months. That is unusual for a settings-level feature that has existed for years, and the reason turns out to be less about the feature and more about where it has quietly stopped working.

Before writing anything here, the demand gets measured. The term frequency capping google ads now carries roughly 4,400 searches a month in the United States, and comparing the last six months against the six before them, volume is up about 124%. For context, most platform-feature terms are flat or declining.

Something changed to make advertisers go looking. Two things, actually, and they point in opposite directions.

What Google Ads actually allows

Google's own documentation is unusually specific here, and worth reading rather than paraphrasing. Frequency capping is available in Display campaigns and Video campaigns, and offers two distinct controls in video:

Either can be set per day, per week or per month. The restrictions matter as much as the controls:

All of that is documented in Google's frequency capping help page. It is a short read and most of the confusion in forum threads comes from people who have not read it.

The gap: Demand Gen and Advantage+

Here is the line that explains the search volume. In the same documentation, Google states plainly that frequency capping is not supported in Demand Gen campaigns.

Demand Gen is the format Google has spent two years moving advertisers into. It replaced Discovery campaigns, it sits on the inventory where most upper funnel budget now goes, and it does not let you cap how many times someone sees your ad.

The symmetry is the story: Meta does the same thing. Advantage+ campaigns do not support manual frequency capping either, because delivery is fully algorithmic. If a hard ceiling matters, the documented workaround on Meta is to abandon the automated format and run a standard Reach or Brand Awareness objective, or buy through Reach and Frequency, which locks reach and per-user frequency before launch.

So both major platforms removed manual frequency control from precisely the products they are pushing hardest. That is not a coincidence and it is not necessarily malicious: automated delivery optimises against a goal, and a hard frequency ceiling is a constraint that can make that goal harder to hit. The algorithm would rather show your ad a seventh time to someone who converts than spread the impression to someone who will not.

The problem is that you may not agree with that trade, and in brand-sensitive categories the seventh impression is not neutral, it is negative. Practitioner benchmarks that circulate for Meta sit around two to four impressions per week for awareness and three to five for consideration, which are useful starting points rather than laws, and which you simply cannot enforce inside the automated formats.

There is a second, quieter issue that almost nobody raises. Google's documentation notes that frequency capping uses third-party cookies by default, falling back to first-party cookies to approximate impressions when third-party cookies are not available.

Read that carefully. The word is approximate. On a growing share of traffic, your frequency cap is not a count, it is an estimate, and the estimate gets worse as third-party cookies keep eroding across browsers. A cap of four impressions a week can quietly become six or eight for the same person seen across two devices or two browsers, and nothing in the interface tells you this happened.

This is the same measurement erosion that has been reshaping attribution and conversion tracking for years, showing up in a place most advertisers never thought to check. If you have already dealt with it on the privacy side of PPC, this is the same root cause wearing a different label.

What to do about it

Four practical moves, in the order I would do them.

  1. Find out whether your budget is even in a format that can be capped. Split your spend between formats that support capping (Display, Video) and formats that do not (Demand Gen, Advantage+). Most accounts have never counted this, and the answer is often uncomfortable.
  2. Stop treating average frequency as frequency. The reported average hides the tail. A campaign averaging 3.2 impressions per person routinely has a segment seeing fifteen. Look at the distribution, not the mean, because the complaint always comes from the tail.
  3. Use audience exclusions where capping is unavailable. When the format will not cap, the remaining lever is who enters it: converters excluded, recent site visitors excluded from awareness, customer lists suppressed. It is cruder than a cap and it is what exists.
  4. Decide what the ceiling is for, before setting one. A cap protecting brand perception and a cap protecting budget efficiency are different numbers. Most accounts set a cap because it feels responsible and never define which one it is, which is how caps end up throttling campaigns that were working.

None of this is exotic, and that is rather the point. Frequency has become an automation question rather than a settings question, and the accounts that handle it well are the ones that decided deliberately rather than accepting the default. If you want that read done on your own account, that is what a paid media audit covers.

Frequently Asked Questions

Does frequency capping work in Demand Gen campaigns?
No. Google's own documentation states that frequency capping is not supported in Demand Gen campaigns. Since Demand Gen replaced Discovery and now carries a large share of upper funnel budget, this means a growing portion of many accounts cannot be capped at all. The available lever there is audience exclusion rather than a frequency ceiling.
What is the difference between impression frequency and view frequency?
Cap impression frequency limits how many times your ads can show to the same user. Cap view frequency limits how many times the same user can view or interact with them. Both are available in Video campaigns and can be set per day, week or month. In Display campaigns, only viewable impressions count toward the cap.
Can I set a frequency cap in Meta Advantage+?
Not manually. Advantage+ delivery is fully algorithmic and does not expose a frequency cap. If a hard ceiling matters for the campaign, the standard workarounds are running a conventional Reach or Brand Awareness objective, or buying through Reach and Frequency, which fixes both reach and per-user frequency before the campaign launches.
Is a frequency cap accurate?
It is an approximation more often than advertisers assume. Google's documentation says third-party cookies are used by default and first-party cookies are used to approximate impressions when those are unavailable. The same person on two devices or two browsers can exceed your cap without anything in the interface indicating it.

Sources: Google Ads Help, frequency capping; MetricRig, frequency cap benchmarks. Search volume and growth measured with the DataForSEO Labs API for the United States on 2026-08-22.