A
allbirds.com
CRO Recommendations — August 2026
6 Urgent Product Page

Hidden shipping cost

The product page shows a $10 price but does not disclose the $5 shipping fee or the $100 free-shipping threshold, leading to unexpected cost at checkout and potential cart abandonment.

CURRENT — Hidden shipping cost
Screenshot
⚠ Hidden shipping costThe product page shows the price but no shipping information, while the homepage and cart drawer mention free shipping over $100 and a $5 shipping …
Add shipping note
Screenshot
FixAdding a note on the product page discloses the shipping fee and free shipping threshold, reducing surprise at checkout.
Both are photographs of the live page — the right side has the change applied in the browser.
Evidence

Observed on the live site

✓ Flagged independently by 2 of 7 analysts
Business case

If this change wins

$70,762 – $283,046
annual opportunity if it wins
Medium
Effort — 2-5 days
40 days
A/B test duration
Prioritisation

PXL score: 4 / 10

QuestionAnswerPoints
Is the change above the fold?No0
Is the change noticeable in under 5 seconds?Yes2
Does it add or remove an element?Yes1
Does it run on a high-traffic page?Yes1
Discovered via user testing?No0
Discovered via qualitative feedback (survey, support)?No0
Supported by heatmaps or session recordings?No0
Found via digital analytics or real-user field data?No0
Verified by direct technical measurement?No0
Implementation

Hand this to your developer

Surface
Product Page — PRODUCT PAGE (ANYTIME ANKLE SOCK)
Problem
The product page shows a $10 price but does not disclose the $5 shipping fee or the $100 free-shipping threshold, leading to unexpected cost at checkout and potential cart abandonment.
Current state
h1: Anytime Ankle Sock; cta: Get Notified; notes: Price shown as $10, but no mention of shipping costs or free shipping threshold; 'Get Notified' suggests out-of-stock, further complicating the purchase path.
Change
h1: Anytime Ankle Sock; cta: Add to Cart (when in stock); notes: Display 'Free shipping on orders over $100' and note that shipping is $5 for orders below that, to set clear expectations before checkout.
Acceptance criteria
GIVEN a first-time visitor on the affected page
WHEN the change is live
THEN Display 'Free shipping on orders over $100' and note that shipping is $5 for orders below that, to set clear expectations before checkout, with no regression at 375px and 1280px widths.
Tracking
event: cro_hidden_shipping_cost on interaction with the changed element; verify it fires in BOTH variants before opening traffic.
Success metric
conversion rate on the affected step
QA checklist
Chrome / Safari / Firefox · 375px + 1280px · keyboard reachable · screen-reader name present · no CLS introduced
Effort
Medium — 2-5 days
Test plan
118,817 visitors per variant (95% significance, 80% power); 40 days.
Rollback
Feature-flag the change; revert the flag if the primary metric drops for 3 consecutive days.
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