**These are not alternatives and treating them as a choice costs you money.
A cashback card pays from interchange fees and applies to every purchase you make anywhere.
A cashback site pays from affiliate commission and applies only when you click through.
They stack cleanly, so the answer is to use the card for everything and add the site click whenever you are shopping online.**
The short answer
Get the card rate on every transaction automatically, then add a cashback site click on online purchases to layer a second rebate on top.
Since the two payers are unrelated, nothing you do on the affiliate side affects your card rewards, and the combined effective rate on an online order is often three to eight percent.
How they make money
The money is affiliate commission, and understanding the pipeline tells you exactly why cashback behaves the way it does.
A retailer sets a commission rate with an affiliate network.
The cashback platform joins that programme, sends you through a tracked link, and receives commission on your order.
It keeps a margin and credits the rest to your account as pending.
It stays pending until the retailer confirms the sale has not been returned, refunded or cancelled, which is why confirmation windows are measured in weeks rather than minutes.
That delay is not a stalling tactic.
Retailers pay the network on a monthly cycle, the network pays the platform after that, and the platform cannot safely release your money before it has been paid itself.
A site promising instant confirmation on every retailer is either fronting the money out of its own capital or is not telling you the whole story.
Rates and coverage
Cashback cards typically pay between half a percent and two percent on general spending, with higher rates on rotating or fixed bonus categories.
The rate is modest but it applies to everything, including rent payments, fuel, groceries and in person retail where affiliate cashback does not exist.
Cashback sites pay one to eight percent on ordinary online retail and much more on financial and utility sign ups, but only on purchases routed through a tracked link.
Averaged across a year, most people earn more from the card because of coverage and more per online order from the site.
Payouts and thresholds
Card rewards arrive as a statement credit or a redemption within a normal billing cycle and essentially never fail to arrive.
Cashback site earnings pend for weeks, confirm on the retailer's schedule and occasionally do not track at all.
That reliability gap is a reason to think of the card as the baseline and the site as the upside rather than the other way around.
Payout mechanics vary more than the headline rates and they deserve attention.
Bank transfer is the cleanest option where offered, with no fees and no conversion loss.
PayPal is universal and fast but check whether the platform passes on a fee.
Gift cards frequently come with a bonus of five to fifteen percent on top of the face value.
If you shop at that retailer anyway, that bonus is the highest guaranteed return available on the whole platform.
Points or vouchers within a wider loyalty scheme are the weakest option unless you were already committed to that ecosystem.
The practical policy is bank transfer or PayPal for cash you need, gift cards for a retailer you genuinely use, and nothing else.
Tracking reliability and claims
There is nothing to claim on the card side. On the site side, keep order numbers and file claims when purchases do not appear.
The asymmetry is worth remembering: your card rewards need no maintenance, so any admin time you spend belongs to the affiliate side.
Missing cashback is normal rather than exceptional, and the claim process exists precisely because tracking fails at the edges.
Wait first.
Most platforms ask you to wait seven days before opening a claim because a slow retailer feed is the most common explanation, and a purchase that appears on day six needs no intervention.
When you do claim, include the retailer, the date and time of the click, the order number, the order total excluding delivery, and a screenshot or a forwarded copy of the confirmation email.
Claims with all five are routinely paid. Claims without an order number are routinely rejected.
Then expect it to take time.
The platform has to ask the network, which asks the retailer, and retailers answer these queries on their own schedule.
Six to twelve weeks is a normal resolution window and does not indicate anything is wrong.
What is worth noting is the outcome pattern. A platform that pays documented claims most of the time is doing its job.
A platform that rejects almost everything with a template response is one to stop using, regardless of its headline rates.
Protecting the tracking on every purchase
Treat every cashback purchase as a small procedure rather than a habit and your tracking rate will sit above ninety percent.
Clear the shopping decision first. Choose the retailer, choose the product, and only then open the cashback site.
Browsing before you click is fine. Browsing after you click, especially across other affiliate sites, is what breaks attribution.
Read the retailer's terms on the cashback page before clicking, because they are specific and they matter. Some exclude sale items.
Some exclude particular brands. Some pay nothing on orders that use a code the retailer did not issue itself.
Then click, buy in that session, and record the order.
If the transaction has not appeared as pending within a week, that is when the claim process starts, and a claim filed with an order number, a date and a total is usually paid.
Who each one suits
Prioritise the card if most of your spending happens in physical shops, on bills, or on categories affiliate programmes do not cover.
Prioritise the site if you shop online frequently and buy in categories with high commission rates.
Do both, in this order, if you want the best outcome: click through from the cashback site, pay with the rewards card, and if the platform lists a voucher code, use that one rather than a code found elsewhere.
Using both instead of choosing
The comparison framing is convenient but slightly false, because holding both costs nothing and the rates differ by retailer rather than by platform in any consistent way.
The workable arrangement is to install whichever extension you find least intrusive, keep an account on the other, and check the second before any purchase where a percentage point translates into real money.
For a fifteen unit order the check is not worth the friction. For a five hundred unit order it obviously is.
Stacking for a better effective rate
Cashback stacks, and stacking is where the numbers stop being trivial.
The layers that generally combine are a cashback site or extension, a retailer voucher code that the platform explicitly lists as allowed, a rewards credit card, and any loyalty scheme the retailer runs itself.
Four layers on a single purchase can turn two percent into eight or nine.
The rule that governs stacking is simple: only use codes from the cashback platform's own page or the retailer's own site.
Codes from third party coupon sites usually carry their own affiliate tracking and will steal the attribution.
Card rewards stack cleanly because they sit outside the affiliate chain entirely.
The card issuer pays you from interchange fees, not from retailer commission, so the two never conflict.
The one thing to watch is card linked offers built into some banking apps, which occasionally do compete with the affiliate click.
What the numbers really look like
Cashback rates cluster into three tiers, and knowing which tier you are shopping in prevents disappointment.
High tier, ten percent and above. Financial products, insurance, broadband and mobile contracts, some subscription services and web hosting.
These are commissions on long term customer value, which is why the numbers look startling.
Middle tier, three to eight percent. Fashion, beauty, home goods, most department stores and a lot of travel booking.
Low tier, under two percent. Groceries, electronics, marketplaces and anything with thin retail margins.
Most of a typical shopper's spending sits in the low and middle tiers, so the realistic annual figure is modest.
The high tier is where the meaningful money is, and it is worth deliberately routing your annual renewals and sign ups through a cashback click rather than letting them auto renew.
Mistakes that cost the most
Three habits separate people who reliably get paid from people who complain that cashback never tracks.
The first is discipline about the click. One tab, cashback site first, no detours, blockers off.
The people who lose cashback almost always describe a journey with three or four steps in it.
The second is record keeping. An order number and a timestamp turn a hopeless dispute into a routine claim.
It takes ten seconds at the confirmation page and it is the only evidence you will ever have.
The third is withdrawing promptly.
Cashback platforms are more stable than most reward sites, but balances still get lost to closed accounts, changed terms and forgotten logins.
Money in your account is real. A pending balance is a promise.
Common questions
Can I use either platform with a voucher code?
Only with codes listed on the platform itself or issued directly by the retailer.
Codes found elsewhere usually carry their own tracking and will take the commission with them.
Does cashback work on mobile?
Yes, but stay inside whichever environment you started in.
Clicking in a mobile browser and finishing in the retailer's app is one of the most reliable ways to lose the attribution.
What happens if I return the item?
The cashback is reversed, because the retailer never earned the sale. Partial returns usually reduce the amount proportionally.
Do I need the browser extension?
It is convenient and it reduces forgotten clicks, but it also watches your browsing to know when to prompt you.
If that trade is uncomfortable, bookmark the site and click through manually instead.
Why rates move from week to week
Cashback rates are not set by the platform in any meaningful sense.
They are a share of whatever commission the retailer is currently paying its affiliate network, and retailers adjust that number constantly in response to their own margin and marketing calendar.
That is why a shop worth eight percent in the middle of a quiet month drops to one percent during a sale.
During heavy discount periods the retailer does not need to pay for referrals, so it cuts the commission and the cashback falls with it.
The uncomfortable implication is that the best cashback rates and the best retail prices rarely arrive together, and the sensible calculation is the total you pay after both, not the headline percentage.
Seasonal patterns repeat reliably. Rates on fashion and home goods peak outside the sale seasons.
Travel rates rise during booking season rather than travel season.
Financial and utility offers cluster at the start of the calendar year and again in the autumn.
The practical habit is to check the rate before every purchase rather than remembering what a retailer paid last time, and to set an alert on the platforms that offer one for the handful of shops you use most.
Exclusions people only discover afterwards
Every retailer programme carries exclusions, they are published on the retailer's page on the cashback site, and almost nobody reads them.
The common ones are worth memorising. Gift cards are excluded nearly everywhere, both as a purchase and as a payment method.
Sale and clearance items are frequently excluded or paid at a reduced rate. Delivery charges and taxes never count toward the eligible total.
Some categories, particularly electronics, tobacco, alcohol and prescription items, are carved out even when the rest of the shop qualifies.
Orders paid partly with store credit or loyalty points are often void in full rather than in part.
Subscription and financial products carry their own conditions, usually requiring the account to remain active for a set period before the cashback confirms.
Cancel inside that window and the payment is reversed, which is entirely reasonable and still surprises people.
The thirty seconds it takes to read the terms panel before clicking through is the highest return activity in this entire category, because a purchase made under an exclusion cannot be rescued by a claim afterwards.
There is nothing to claim.
Bottom line
Card first because it is automatic and reliable, site second because it is larger per order and worth the small ritual.
Stacked properly on an online purchase, they routinely triple what either would return alone.
Read next: How to stack cashback sites, codes and cards properly, Gas cashback apps and Cashback in Australia.
