Pattern #26: Cart Reminder And Recently Viewed

Pattern #26  Tested 11 timesFirst tested by Someone Recently tested by Jakub Linowski on Dec 29, 2025

Based on 11 Tests, Members See How Likely Version B Wins Or Loses And By How Much

LOSSES
-5
-4
-3
-2
-1
FLAT
+1
+2
+3
+4
+5
WINS

Measured by the sum of negative and positive tests.

A B
Cart Reminder And Recently Viewed (Variant A) Cart Reminder And Recently Viewed (Variant B)

Expected Median Effects Of B

X.X%

Progression

(7 tests)

-

Leads

-

Signups

-

Engagement

X.X%

Sales

(11 tests)

-

Revenue

-

Retention

-

Referrals

X.X%

ANY PRIMARY

(11 tests)

All 11 tests meta-analyzed: +X.X% combined effect (p-val X.XXXX)

74.8% of 90% cumulative power target at 2% MDE from 11 tests Help replicate this with an A/B test

90%
↓
5% 5.8% 39.7% 8% 19.6% 5.1% 5% 10.6% 4.1% 13.8% 5.5%
Home & Landing 6 tests: X%
Signup 1 test: X%
Product 3 tests: X%
Global 1 test: X%

Tested on

Tests

Pattern #26: Cart Reminder And Recently Viewed
Was Tested by Someone

Added

Isolated

Test # 35 by Someone Someone Apr 01, 2016 Test link

Find Out How It Did With 37,741 Visitors

  • Measured by visits to thank you page

  • XX.X% (XXX successes out of XXX,XXX visitors)
  • XX.X% (XXX successes out of XXX,XXX visitors)
Zoom In
Cart Reminder And Recently Viewed - Variant A A
Cart Reminder And Recently Viewed - Variant B B
Home & Landing
Statistical Power by Minimum Detectable Effect
3%0.5%
3.6%1%
5%2%
11.9%5%
33.9%10%
62.9%15%
80%18.5%
85.5%20%

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The Same Pattern Was Also Tested Here

Added

Isolated

Test # 627 Dec 29, 2025 Test link

Find Out How It Did With 2,131 Visitors

  • Measured by adds to cart

  • Measured by visits checkout

  • Measured by completed sales

  • XX.X% (XXX successes out of XXX,XXX visitors)
  • XX.X% (XXX successes out of XXX,XXX visitors)
  • XX.X% (XXX successes out of XXX,XXX visitors)
  • XX.X% (XXX successes out of XXX,XXX visitors)
  • XX.X% (XXX successes out of XXX,XXX visitors)
  • XX.X% (XXX successes out of XXX,XXX visitors)
Zoom In
Cart Reminder And Recently Viewed - Variant A A
Cart Reminder And Recently Viewed - Variant B B
Product
Statistical Power by Minimum Detectable Effect
3%0.5%
3.8%1%
5.5%2%
14.3%5%
42.8%10%
75.7%15%
80%15.8%
94.2%20%

In this tightly triggered experiment, users who (1) did not complete a purchase and (2) visited a different product page saw a button in the top-right corner labeled “Don’t Forget Your Club.” Clicking this button resumed the checkout process at the point where they left off, without requiring the same information to be re-entered.

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Added

Isolated

Test # 614 on Kay.com by Craig KistlerCraig Kistler Oct 23, 2025 Test link

Find Out How It Did With 122,483 Visitors

  • Measured by adds to cart

  • Measured by completed sales

  • XX.X% (XXX successes out of XXX,XXX visitors)
  • XX.X% (XXX successes out of XXX,XXX visitors)
  • XX.X% (XXX successes out of XXX,XXX visitors)
  • XX.X% (XXX successes out of XXX,XXX visitors)
Zoom In
Cart Reminder And Recently Viewed - Variant A A
Cart Reminder And Recently Viewed - Variant B B
Home & Landing
Statistical Power by Minimum Detectable Effect
4%0.5%
6.4%1%
13.8%2%
58.1%5%
80%6.5%
99%10%
99.9%15%
99.9%20%

In this experiment, returning users to a homepage would be shown recently viewed items. Impact on adds to cart and sales was measured. The experiment was triggered to returning users.

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Added

Isolated

Test # 598 Jun 27, 2025 Test link

Find Out How It Did With 1,177 Visitors

  • Measured by checkout visits

  • Measured by completed sales

  • XX.X% (XXX successes out of XXX,XXX visitors)
  • XX.X% (XXX successes out of XXX,XXX visitors)
  • XX.X% (XXX successes out of XXX,XXX visitors)
  • XX.X% (XXX successes out of XXX,XXX visitors)
Zoom In
Cart Reminder And Recently Viewed - Variant A A
Cart Reminder And Recently Viewed - Variant B B
Product
Statistical Power by Minimum Detectable Effect
3%0.5%
3.2%1%
4.1%2%
7.7%5%
18.6%10%
35.4%15%
55.6%20%
80%26.9%

This experiment started when a user started a custom product build and visited any other product page. In the variation, a resume button appeared that would bring the customers back to their custom build. Impact on checkouts and sales was measured.

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Added

Isolated

Test # 588 on Hellostake.com by Louis AlstonLouis Alston Apr 28, 2025 Test link

Find Out How It Did With 5,551 Visitors

  • Measured by completed orders

  • XX.X% (XXX successes out of XXX,XXX visitors)
  • XX.X% (XXX successes out of XXX,XXX visitors)
Zoom In
Cart Reminder And Recently Viewed - Variant A A
Cart Reminder And Recently Viewed - Variant B B
Global
Statistical Power by Minimum Detectable Effect
4%0.5%
5.4%1%
10.6%2%
42.8%5%
80%7.9%
94.5%10%
99.9%15%
99.9%20%

This experiment started right after users of a trading app received trade order expiry notification (for a security trading app). In the control, after clicking the notifications, users would have to navigate to the trade themselves. In the variation, 1) an additional step was added which informed what happened (an order was not place and expired) and 2) they were automatically send to the order page. Impact on orders placed was measured.

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Added

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Test # 521 on Finn.com by Maksim Meged Maksim Meged Mar 14, 2024 Test link

Find Out How It Did With 2,160 Visitors

  • Measured by completed checkout

  • XX.X% (XXX successes out of XXX,XXX visitors)
  • XX.X% (XXX successes out of XXX,XXX visitors)
Zoom In
Cart Reminder And Recently Viewed - Variant A A
Cart Reminder And Recently Viewed - Variant B B
Home & Landing
Statistical Power by Minimum Detectable Effect
3%0.5%
3.6%1%
5%2%
12%5%
34.5%10%
64.3%15%
80%18.1%
87%20%

This experiment was triggered by a small segment of users who completed the first step of checkout funnel (submitted email, name, phone number), but dropped from checkout and returned to cars catalogue 7 or more minutes later.

In the control, users didn't see any cart icon nor function to resume their checkout flow.

In the variation however, users saw a filled shopping cart icon with resume functionality. Clicking on the icon would guide and redirect users to their latest abandoned stage of their checkout flow.

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Replaced

Isolated

Test # 510 on Formelskin.de by Alexander KriegerAlexander Krieger Dec 21, 2023 Test link

Find Out How It Did With 22,360 Visitors

  • Measured by completed purchases

  • XX.X% (XXX successes out of XXX,XXX visitors)
  • XX.X% (XXX successes out of XXX,XXX visitors)
Zoom In
Cart Reminder And Recently Viewed - Variant A A
Cart Reminder And Recently Viewed - Variant B B
Home & Landing
Statistical Power by Minimum Detectable Effect
3%0.5%
3.6%1%
5.1%2%
12.4%5%
35.5%10%
65.3%15%
80%18%
87.4%20%

In this experiment, users that did not complete a purchase and came back to the homepage were shown two different experiences. In the control, users would see the homepage (essentially having to restart the purchase flow). Whereas, in the variation, users would be shown a "Welcome Back" summary view with the completed steps shown as completed and a quick resume button to the next incomplete step. Impact on completed sales was measured.

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Added

Isolated

Test # 494 on Online.Metro-cc.... by Andrey AndreevAndrey Andreev Sep 20, 2023 Test link

Find Out How It Did With 53,513 Visitors

  • Measured by adds to cart

  • Measured by completed purchases

  • XX.X% (XXX successes out of XXX,XXX visitors)
  • XX.X% (XXX successes out of XXX,XXX visitors)
  • XX.X% (XXX successes out of XXX,XXX visitors)
  • XX.X% (XXX successes out of XXX,XXX visitors)
Zoom In
Cart Reminder And Recently Viewed - Variant A A
Cart Reminder And Recently Viewed - Variant B B
Home & Landing
Statistical Power by Minimum Detectable Effect
5%0.5%
8%1%
19.6%2%
78.3%5%
80%5.1%
99.9%10%
99.9%15%
99.9%20%

In this experiment, recently purchased products were appended at the top of the homepage. The test ran for loggedin users only. Impact on add-to-cart, sales and revenue was measured.

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Added

Isolated

Test # 430 by Jakub LinowskiJakub Linowski Sep 20, 2022 Test link

Find Out How It Did With 10,324 Visitors

  • Measured by adds to cart

  • Measured by completed transactions

  • XX.X% (XXX successes out of XXX,XXX visitors)
  • XX.X% (XXX successes out of XXX,XXX visitors)
  • XX.X% (XXX successes out of XXX,XXX visitors)
  • XX.X% (XXX successes out of XXX,XXX visitors)
Zoom In
Cart Reminder And Recently Viewed - Variant A A
Cart Reminder And Recently Viewed - Variant B B
Product
Statistical Power by Minimum Detectable Effect
3%0.5%
4.6%1%
8%2%
28%5%
78%10%
80%10.3%
98.2%15%
99.9%20%

In this experiment, up to 5 recently viewed product pages would appear on the left hand navigation. The idea was to make it easier for users get back to what they were looking at in case they were browsing. These recently viewed products were not visibile in the control. Impact on adds-to-cart and completed transactions was measured.

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Added

Isolated

Test # 428 on Volders.de by Daria KurchinskaiaDaria Kurchinskaia Aug 16, 2022 Test link

Find Out How It Did With 155,342 Visitors

  • Measured by completed transactions

  • XX.X% (XXX successes out of XXX,XXX visitors)
  • XX.X% (XXX successes out of XXX,XXX visitors)
Zoom In
Cart Reminder And Recently Viewed - Variant A A
Cart Reminder And Recently Viewed - Variant B B
Signup
Statistical Power by Minimum Detectable Effect
6%0.5%
13.4%1%
39.7%2%
80%3.3%
98.8%5%
99.9%10%
99.9%15%
99.9%20%

In this test 1) a passive hint communicated to users that their data will be saved for 7 days for them to be able to continue their cancellation later and 2) dropped off users were targeted with an email campaign within the first 4 hours after drop off. The reminder email linked users to a shipping page (checkout page) without them requiring to fill out their personal, contract information one more time. 

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Replaced

Isolated

Test # 347 by Jakub LinowskiJakub Linowski Apr 07, 2021 Test link

Find Out How It Did With 13,749 Visitors

  • Measured by adds to cart

  • Measured by total sales

  • XX.X% (XXX successes out of XXX,XXX visitors)
  • XX.X% (XXX successes out of XXX,XXX visitors)
  • XX.X% (XXX successes out of XXX,XXX visitors)
  • XX.X% (XXX successes out of XXX,XXX visitors)
Zoom In
Cart Reminder And Recently Viewed - Variant A A
Cart Reminder And Recently Viewed - Variant B B
Home & Landing
Statistical Power by Minimum Detectable Effect
3%0.5%
3.9%1%
5.8%2%
15.8%5%
47.2%10%
80.1%15%
80%15%
95.9%20%

In this experiment, when customers viewed a product and returned to the homepage, they would then see the most recently viewed one - a delicate nudge. The experiment ran with full traffic and impact on sales was measured.

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For each pattern, we measure three key data points derived from related tests:

REPEATABILITY - this is a measure of how often a given pattern has generated a positive or negative effect. The higher this number, the more likely the pattern will continue to repeat.

SHALLOW MEDIAN - this is a median effect measured with low intent actions such as initiating the first step of a lengthier process

DEEP MEDIAN - this is derived from the highest intent metrics that we have for a given test such as fully completed signups or sales.