Problem
Shopping CPCs rising: how to fix it
An average cost per click is an average of two things: what each auction costs, and which auctions you entered. It rises when either changes, and the two need opposite responses. Before deciding the auction got more expensive, check whether your traffic simply moved toward more expensive queries and products, which is the more common explanation and the one you control.
By CartKernel · Last reviewed 2026-09-07
Does this look familiar?
- Average cost per click climbs steadily while conversion rate and average order value hold
- Cost per click rose sharply for one brand or product type and barely moved elsewhere
- Spend is up but click volume is flat or down over the same period
- The rise started when a feed rewrite, a new campaign or a bid strategy change went live
- Brand queries are a smaller share of clicks than they were a month ago
- Costs rose on mobile while desktop stayed roughly the same
Causes, ranked
Why it happens, most common first
Check them in this order. The first two account for most cases we open.
- most common
The query mix moved toward broader searches
Shopping matches on the product data, so rewriting titles or adding attributes changes which searches you enter. Titles that lead with a category term rather than a brand and model pull in wider, more contested queries. Each click costs more even though nothing about the auction changed.
- most common
The product mix shifted toward expensive categories
Adding a range, restocking a competitive line, or a seasonal category coming into demand changes the blended figure. High ticket products in crowded categories carry higher clicks costs, so a catalogue average can rise while every individual product holds its price.
- common
Automated bidding is paying up for expected value
Target return and maximise conversion value strategies bid higher where they expect a larger order or a better chance of a sale. A rise in average order value, a promotion, or improved conversion tracking all push bids up by design. The cost per click rises and the return can rise with it.
- common
More advertisers are in the same auctions
Peak periods, a competitor expanding into your product type, or marketplaces bidding on the same items raise the clearing price for the same position. This shows in auction insights as new names and higher overlap rates rather than anything in your own account.
- common
Brand traffic fell as a share of the total
Brand searches are usually the cheapest clicks in the account. When brand demand dips after a campaign ends, or a Performance Max campaign takes those queries into a separate report, the remaining mix is more expensive and the blended average rises without any generic click costing more.
- occasional
Feed quality slipped, so expected performance fell
Missing identifiers, weak images, stale availability or a price that no longer compares well reduce how often people click your listing. Lower expected click through rate means paying more for the same placement. This one is quiet because no setting changed.
The fix
In this order
Each step is something you can do today. Do them in sequence; skipping ahead is how a review fails twice.
Prevent it next time
- Report cost per click by product type and by margin band, never as one account average
- Review new search terms fortnightly so query drift is caught while it is small
- Treat any feed title rewrite as a change that needs a before and after measurement
- Keep brand and generic traffic in separate reports so the mix is always visible
Compare like with like before concluding anything
Pull cost per click by product type and by brand for the current period and the same length of period before the rise. If most product types are flat and a few are up, you have a mix shift. If nearly everything is up, the auction moved.
Read the search terms behind the spend
Open the search terms report for the Shopping campaigns and sort by cost. Look for broad category queries, comparison phrases and unrelated searches that arrived recently. Note which product titles are pulling them in.
Tighten titles so they match narrower intent
Rewrite titles for the affected products to lead with brand, model and the defining attribute rather than a generic category word. A more specific title enters fewer, closer auctions. Change a sample first and compare their cost per click against the untouched group.
Add negatives at the campaign level
Apply negative keywords for the query patterns you never want, such as research phrases, competitor model numbers you do not stock, or free and secondhand modifiers. Standard Shopping campaigns take negative keyword lists, and Performance Max supports campaign level negatives and brand exclusions.
Split the catalogue by margin rather than by category
Use custom labels to group products into margin bands, then give each band its own campaign and target. High margin items can afford a higher click cost, low margin items cannot, and one blended target forces both to the same compromise.
Recheck price competitiveness and imagery on the expensive items
For the products absorbing the most spend, confirm the price still compares reasonably, the main image is clean and fills the frame, and availability is accurate. Improving expected click through rate lowers what you pay for the same position.
Adjust targets slowly and judge on profit
If the goal is a lower click cost, move the return target up in small steps and expect volume to fall with it. Track contribution after cost of goods and advertising rather than cost per click alone, because a cheaper click on a worse product is not progress.
When to get help
Get help when the cost per click has risen across the whole catalogue rather than in one corner of it, and profit per order is being squeezed as a result. At that point the decisions involve which products you are willing to stop advertising, what price positions you can hold, and how to restructure campaigns around margin. Those choices affect merchandising and buying, not only the ad account, and they are easier to make with a full view of contribution per product.
Free. We reply within one business day.
Is a rising cost per click always a problem?
No. If average order value or conversion rate rose alongside it, you are paying more per click for clicks that are worth more, which is what value based bidding is meant to do. Judge the change on return and contribution over the same period rather than on the click cost by itself.
Can I set a maximum cost per click while using automated bidding?
Portfolio bid strategies allow a bid ceiling on some strategy types, and manual bidding gives you direct control. Both constrain the system, which usually costs volume. It is generally more productive to control which products and queries you enter than to cap the price of every auction.
Do Performance Max campaigns cost more per click than standard Shopping?
They can differ because the inventory is different. Performance Max serves across several surfaces, so its blended click cost reflects a wider mix than a Shopping campaign that only serves shopping placements. Compare the two on cost per order and revenue rather than on click cost.
Will pausing my most expensive products bring the average down?
It will bring the average down while also removing whatever revenue those products produced. Check contribution per product first. An expensive click on a high margin item can be worth more than a cheap click on a low margin one, and the average hides that entirely.
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