Content suitability is the set of Google Ads controls that decide which videos, apps, channels and websites your ads are allowed to appear alongside on YouTube, the Google Display Network and other visual inventory. It is Google’s current name for what most people still call brand safety: the settings that keep your advert away from material you would not want your business associated with.
How content suitability works
Search ads appear next to search results, so the surrounding content is the results page itself. Video, Display, Demand Gen and parts of Performance Max are different: your ad sits on or inside someone else’s content, and the controls exist to filter that content.
At the time of writing (October 2026), the main levers in Google Ads are these:
- Inventory type. A broad dial with three positions, usually labelled expanded, standard and limited. Standard is the default and excludes the most sensitive material; limited is stricter still and suits brands in regulated or family markets; expanded opens up more content in return for more reach.
- Excluded content types. Formats you can switch off, such as live streams or YouTube videos embedded on other sites.
- Excluded content labels. Age-style ratings Google assigns to videos and pages, so you can exclude anything rated for mature audiences.
- Exclusion lists. Your own lists of channels, sites, apps and topics to avoid, applied through placement exclusions at account or campaign level.
Account-level settings apply to every eligible campaign, while some can be tightened per campaign. Google classifies content automatically, so the filters are good rather than perfect, and the classification can lag behind a video that has only just gone up.
Why it matters
A UK customer who sees your logo before a conspiracy video or beside an extremist comment thread does not think about ad auctions. They think you chose to be there. For a solicitor, a private clinic, a children’s activity business or anyone in financial services, that association can do more harm than the ad does good.
There is a cost side too. Low-quality placements, such as games apps where children tap ads by accident or made-for-advertising sites built to harvest impressions, rarely produce enquiries. Tightening suitability often removes spend that was never going to convert, although going too strict can choke reach and push up your cost per thousand impressions because you are competing for a smaller pool.
Common mistakes
- Never opening the content suitability settings at all and assuming the defaults suit every business.
- Choosing the strictest inventory type everywhere, then wondering why a YouTube campaign cannot spend its budget.
- Excluding a few obvious categories but never reviewing the placement report to see where the ads actually ran.
- Treating Performance Max as fully covered. Some controls apply differently or only at account level, so check what reaches it before relying on it.
- Copying a long exclusion list from a forum without reading it, which can block perfectly good news and lifestyle sites.
How to act on it
Start by writing down, in one sentence, the kind of content your customers would find jarring next to your brand. That turns a vague worry into criteria you can apply.
Then open the account-level content suitability page and set the inventory type deliberately. Standard is a sensible starting point for most UK small businesses; move to limited if you are in a regulated or child-focused sector. Exclude live streaming and embedded videos if you have no reason to want them.
After the first fortnight of any Video, Display or Demand Gen campaign, open the “where ads showed” report, sort by cost and add anything unsuitable or wasteful to a shared exclusion list. Repeat monthly. If video is a significant part of your plan, my YouTube advertising management includes this review as standard, alongside the creative and targeting work.