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Key Takeaways
- The change applies to the all-site promotion product ads named in the Taiwan notice. It excludes 綜合搜尋廣告, the separate search-ad product.
- A successful impression is charged immediately at the system's bid. CPM means ad spend divided by views times 1,000; it is not a bill collected only after 1,000 views.
- New one-day view attribution covers only the advertised item. Seven-day click attribution can include other items in the same store, takes priority and prevents double counting of the same conversion.
- Sellers declining the upgrade must pause or stop ads before October 21 and confirm their status after the upgrade notice. Restarting later uses the CPM billing model.
Check the ad product before deciding whether to continue
The official launch date is October 21, 2026. The scope is the all-site promotion product ads identified as 全站推廣商品廣告 in the notice; 綜合搜尋廣告 is explicitly excluded. Do not apply this Taiwan announcement automatically to other country sites, ad products or Shopee fee programs.
The notice schedules an advance pop-up for September 21, 30 days before the upgrade. Sellers who want to continue can acknowledge it using 了解 and keep using the product. The system upgrades ads automatically on October 21 and sends another notification; no additional configuration is required.
Sellers still considering the change may acknowledge the pop-up, but must pause or stop all ads in the ad list before October 21 if they decide against upgrading. The notice provides no cutoff hour, timezone or account rollout batches. Check the notification in your own dashboard and act ahead of the date.
Each impression is charged immediately; CPM compares the cost per thousand
Billing changes from clicks to impressions. The official FAQ says that a successful impression is charged immediately, using the bid the system calculates to obtain ranking and exposure. It does not publish a fixed price per impression or a universal CPM rate.
Average cost per impression equals ad spend divided by views. CPM equals ad spend divided by views times 1,000. Select the same reporting period in the ad list and use its spend and views to calculate CPM when comparing impression costs.
The thousand-impression unit describes the reporting metric. The system does not wait for 1,000 views before taking a payment. Shopee also says ads stop receiving impressions when the account balance is insufficient. The notice does not establish a new top-up requirement, overdraft facility or refund promise.
What counts as an impression: visibility, position and app sessions
At least 50% of the ad must be visible on the screen to count as an impression; less than 50% does not count. The notice specifies no minimum viewing duration, so an additional seconds-based threshold should not be assumed.
For repeated views in the same position, Shopee describes a 24-hour rule: a buyer seeing the same ad multiple times in that position within 24 hours counts as one impression. Different positions count separately. Placements also count separately: a view in search results and another in the recommendation placement called 猜你喜歡 count as two impressions.
The notice separately describes a new app session. Closing and reopening the app starts a new session, and seeing the ad again counts as a new impression. It does not fully explain the priority where this example overlaps with the same-position 24-hour rule. Neither example should be expanded into an unstated universal counting algorithm.
One-day view attribution is added; seven-day click attribution takes priority
The existing click-attribution window is seven days after a click. In Shopee's example, a buyer clicks an ad for item A and buys both A and another item B from the same store within seven days. Sales of both items can be attributed to the ad for A.
The new view-attribution window is one day after viewing the ad and covers only the advertised item. If a buyer views the ad for A and buys both A and same-store item B within one day, only A's sales are included in the ad conversion for A; B's sales are excluded.
When the same conversion qualifies under both approaches, seven-day click attribution takes priority. The conversion is not counted twice. Compare both the attribution window and eligible items when reviewing reports after the upgrade; a change in attribution alone does not establish growth in actual orders or profit.
How to decline the upgrade and check the result afterward
Sellers who do not want the upgrade can use the pre-upgrade pop-up's 點擊此處暫停廣告 option to open the ad list, then pause or stop all ads. Sellers who need more time to decide must still do this before October 21 if they decline. Acknowledging the notice is not a permanent opt-out.
A further pop-up appears after the upgrade. If you do not want the new billing model, acknowledge 我知道了 and check that all ads in the list are paused or stopped. Sellers who accept can continue as usual. Ads restarted later use the CPM-billed all-site promotion product.
Continuing advertisers can keep the dates, spend, views and attribution basis for comparable periods before and after the upgrade. ROAS, or return on ad spend, compares ad-attributed sales with ad spend. The FAQ says ads continue to optimize toward the configured target ROAS. That optimization statement does not replace checking actual spend, sales and profit in your own results.
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Frequently Asked Questions
Can an ad incur a charge without a click?
Yes, for the all-site promotion product ads covered by this change. A successful impression becomes the billing basis, and the system charges at that moment using its bid. A buyer does not need to click first. The separate 綜合搜尋廣告 product is excluded from this update.
Does CPM mean payment is taken only after 1,000 views? What if my balance is too low?
No. CPM is a cost-per-thousand reporting calculation; actual billing occurs for each successful impression. Shopee says ads stop receiving impressions when the balance is insufficient. The notice provides no fixed impression price or universal CPM rate.
Does buying another item from the same store qualify for one-day view attribution?
Not under the scope stated in this notice. One-day view attribution covers only the advertised item. Other items from the same store may qualify under seven-day click attribution. If both attribution approaches apply to the same conversion, click attribution takes priority and the conversion is not counted twice.
Can I restart paused ads, and do I need to apply for the upgrade again?
The notice says sellers can restart ads whenever they are willing to use the CPM-billed all-site promotion product; it lists no separate reapplication step. Restarting uses the new billing model and should not be understood as restoring click-based billing.