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The short answer
Oppy compares each day of the week's cost per conversion with the other six days, rolled up across campaigns. A day is flagged when it has enough conversions to judge and costs far more per conversion than the other days.
Why it matters
Hour of day is the analysis every tool offers and almost no account can support. Twenty-four hours across seven days is 168 buckets, and an account with 200 conversions a month has about one in each. Patterns found there are noise.
Seven buckets is a question an account can answer. Even then many cannot, so the bars are strict.
How Oppy decides
The check runs once the account has enough conversions recently to compare fairly.
Checks that weigh money or clicks judge what they find on your own account's numbers, not on one figure applied to every account, so what counts as a problem on a small account is not the same on a large one. Checks on settings read how the account is set up.
When there is too little to go on, the check says so instead of guessing. A finding always comes with the rows behind it, so you can read the evidence before you decide.
| This check | |
|---|---|
| Step of the audit | Spend |
| What it reads | Campaigns, their settings and their results |
| Needs trustworthy conversions | Yes. It stays silent when the tracking step fails. |
| What happens next | Reported in the audit with the rows behind it. The decision stays with you. |
Check it yourself in Google Ads
- In Google Ads, open Campaigns for the last 30 days and segment by Time, then Day of the week.
- Add up cost and conversions per day across campaigns.
- For each day with enough conversions to judge, compare its cost per conversion with that of the other six days together.
- Note any day that costs far more.
What to do about it
Before cutting a day, look for a cause: a different mix of searches, a competitor active that day, or a team not answering on that day.
If the gap holds over several months and the campaign bids manually, lower bids that day with a schedule bid adjustment rather than switching it off, so it stays measured. On Smart Bidding a day adjustment is ignored: read what that day's searches want, or narrow the schedule.
Terms on this page
Other checks in this area
The checks next to this one in Location and scheduling, each with its own page.
