Frequency capping in Google Ads: the limits

Frequency capping in Google Ads limits the number of times one person sees your ads. You choose a cap per day, week or month. The setting is available only for Display and Video campaigns. It counts impressions, so it controls ad exposure rather than how many times somebody clicks.

This difference explains why the setting often falls short of expectations. A cap prevents creative fatigue among a real audience. It was not designed to stop an automated visitor that appears as a new person in every session, and Search offers no cap in the first place.

Which Google Ads campaigns support frequency capping?

Only two campaign types provide a genuine frequency setting. Google Ads Help is explicit that Demand Gen does not support frequency capping. Search, Shopping and Performance Max have no such control either.

Reporting covers more campaign types than the control itself. Reach and frequency metrics are available for Display, Demand Gen, Video and App campaigns. This means you can inspect frequency for Demand Gen, even though you cannot set a cap there.

How to set a frequency cap on a Display campaign

You will not see this option during campaign creation. It becomes available after the campaign exists, inside Frequency management.

1. In the Campaigns menu, open Campaigns.
2. Open the Settings tab and choose the Display campaign where you want to apply the cap.
3. Open Additional settings.
4. Choose Frequency management. You can then let Google Ads handle frequency or enter a limit per day, week or month.
5. Save.

A Display cap may apply at campaign, ad group or ad level. If two caps are active at the same time, the stricter limit determines delivery. Display caps count only viewable impressions, which is the reason a frequency report and the cap behind it can disagree.

How does frequency capping work on YouTube?

For Video campaigns, caps apply only at campaign level. You decide whether they count impressions, views, or both. The controls appear under Additional settings as Cap impression frequency or Cap view frequency.

For Video frequency, Google identifies a signed-in viewer by their account and a signed-out viewer by device. All formats within the campaign use the same cap: skippable in-stream, non-skippable in-stream, bumper, in-feed and Shorts. If you reuse that video in another Video campaign, only in-stream and bumper activity from the second campaign counts towards the cap on the first campaign.

Target frequency is separate and is easily confused with a cap. This Video reach campaign subtype asks for a weekly or monthly frequency, then Google optimises delivery towards that figure. It is a delivery target, not a ceiling. Fraudulent activity on video placements is covered separately in YouTube Ads click fraud.

How do you calculate ad frequency?

To calculate average ad frequency, divide impressions by unique users. If a Display campaign delivered 40,000 impressions across 10,000 unique users, it had an average frequency of 4.

Manual calculation is seldom necessary. Google Ads provides the figures in its reach and frequency columns, including Unique users, Avg. impr. freq. per user, and that same average across seven-day and thirty-day windows. The following three reporting limits affect how you should read those columns:

• Reach metrics cover no more than 92 days.
• Frequency distribution data is available only when the selected date range is 31 days or less.
• Reach and frequency figures are modelled and may arrive up to three days late. As a result, a last-seven-days view does not yet contain the whole week.

What is a good frequency cap?

Google does not publish a target figure, and another advertiser's account cannot tell you the right number for yours. Use your own frequency distribution instead. Google Ads separates it into buckets for users reached 1+, 2+, 3+, 4+, 5+ and 10+ times.

Compare cost and conversions across the buckets. Suppose the 10+ bucket accounts for a substantial share of impressions but converts no better than the 3+ bucket. That additional exposure is paid repetition, so a cap recovers its cost. If conversion performance continues to rise with frequency, applying a cap removes sales rather than protecting budget.

Why is average frequency higher than my cap?

The cap and the report measure different sets of events. For Display campaigns, only viewable impressions contribute to the frequency cap. Frequency reporting includes both viewable and unviewable impressions.

For that reason, a campaign limited to three impressions per user per day may still show an average frequency above three. This does not indicate a fault. The report includes events that sit outside the cap's count.

What frequency capping does not stop

A cap works only while Google can recognise the person being counted. Display frequency relies on third-party cookies when available, then uses first-party cookies to estimate impressions. Video frequency relies on either the signed-in Google account or the device. Once that identity is reset, the count returns to zero.

Resetting identity is routine for bot traffic. A script may clear cookies after each session, rotate through a proxy pool, or start every visit with a fresh browser profile. Each visit then looks like a different user and never reaches your chosen limit. The cap behaves as intended, but repeatedly records a count of one.

There are also two structural gaps:

• The cap applies to impressions rather than clicks. A visitor can remain within a three-impression limit and click the ad each time.
• Search offers no frequency cap, despite being the campaign type where most advertisers place their largest budget.

Wasted impressions are not the only cost. Smart Bidding learns from the people who interact with your ads. When an audience repeatedly returns with a fresh identity, those interactions train the system to seek more users with the same profile.

How to cap click frequency per IP

Click frequency needs a control that counts clicks. ClickPatrol provides one through a Click Threshold rule. You choose the number of clicks permitted from one IP address during a set time window, and ClickPatrol automatically blocks an IP when it breaches any rule. The dashboard supports up to five rules at once under Configuration and then Settings.

One practical setup pairs a short burst rule, such as three clicks in ten minutes, with a broader daily rule for a repeat clicker who spaces out their activity, such as five clicks in one day. Set realistic limits. Legitimate buyers sometimes click the same ad twice, and an overly strict limit blocks those people as well.

There is another answer for impressions, applied before counting begins. When you connect a Google Ads account, ClickPatrol adds its database of known bot servers, scrapers and invalid IP addresses to the exclusion list. Those sources therefore do not see the ad. This proactive layer typically saves between 0.4% and 0.9% of ad spend immediately, independently of later savings from reactive blocking.

Display inventory is where repeated exposure most often overlaps with poor-quality placements, which is why the Google Display Network receives separate coverage. To see how the blocking layer operates across Search, Display and Video together, read click fraud protection. Advertisers managing Display and Video at scale can compare configurations on the enterprise plan for brands.

Sources: Google Ads Help, Frequency capping: Definition, Measuring reach and frequency, Create a Video reach campaign and About Target frequency. Checked 31 August 2026.