Three habits make results readable. Windows, not days: ad performance swings daily for reasons that mean nothing (auction luck, day-of-week). Compare complete weeks or 30-day windows.
Your history, not tables: industry benchmarks bundle together companies with different products, margins and audiences. "Better than my last 30 days" is a claim about your business; "above the industry average" often is not.
One change at a time: when several things changed at once, none of them can be credited. The accounts that improve fastest are the ones where each change can be traced to its effect.
- CTR — The share of people who clicked after seeing your ad — a quick pulse on whether the creative earns attention. On its own it says nothing about whether those clicks were worth paying for.
- CPM — What you pay for a thousand views of your ad — the price of attention in the auction. It is set by who you target and who else is bidding, not by your creative alone.
- Cost per result — What one result costs you: money spent divided by results. It is the metric closest to 'is this worth it' — judged against what a result is worth to your business, not against a table.
- Frequency — How many times the average person has seen your ad. Some repetition helps people remember you; too much of the same creative and they start scrolling past.
Every creative wears out eventually — the question is when, and your account answers it better than any rule of thumb. The pattern to watch is the combination: frequency up, CTR down, cost per result up, on an ad that used to perform.
What resets it: genuinely fresh creative (a new angle or format, not a recolored version of the same ad) or a broader audience. What does not: raising the budget, which just shows the tired ad to the same people more often.
There is no universal "frequency above X is too high" number — we checked, and every circulating threshold traces to undated blogs, so we won't teach one. Your own combination of rising frequency and falling CTR is the reliable signal, and the Command Center watches for it in your account automatically.
As your account accumulates history, what has worked for you gets derived nightly with evidence attached. Sign up to see those surfaces in the product.