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allbirds.com
CRO Recommendations — August 2026
4 High Homepage

Conditional Shipping Cost Clarity

The default shipping cost for orders under the free shipping threshold is not clearly stated on the landing page prior to cart interaction.

CURRENT — Hidden shipping cost
Full-page screenshot of the current page
scroll ↕ — this is the live page
⚠ Conditional Shipping Cost ClarityThe homepage advertises free shipping on orders over $100 but does not state the shipping cost for orders below that threshold. As a result …
Add shipping cost pillClarify shipping thresholdReduce cart surprise

Free Shipping

Wildly Comfortable. Super Natural.

Free ground shipping on orders over $100. $5.00 flat rate on orders under $100

Shop Now
✓ Transparent shippingStandard shipping cost is now clearly stated upfront, reducing cart surprise.
FixAdd a clear, prominent statement of the standard shipping cost directly on the homepage, such as '$5.00 flat rate on orders under $100', placed next to the existing free shipping offer. This ensures customers know the shipping cost before they engage with the cart, reducing surprise and building trust. The change is low-effort and can be implemented as a simple text addition or a small banner.
Evidence

Observed on the live site

✓ Flagged independently by 1 of 7 analysts
Business case

If this change wins

$35,381 – $176,904
annual opportunity if it wins
Medium
Effort — 2-5 days
not testable at current traffic
A/B test duration
Prioritisation

PXL score: 5 / 10

QuestionAnswerPoints
Is the change above the fold?Yes1
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
Homepage — HOMEPAGE | CART SUMMARY
Problem
The default shipping cost for orders under the free shipping threshold is not clearly stated on the landing page prior to cart interaction.
Current state
h1: Wildly Comfortable. Super Natural.; cta: N/A; notes: Free shipping is advertised for orders over $100. A $5.00 shipping cost is revealed in the 'Added to Cart' summary for orders below this threshold, but not explicitly stated upfront on the main page.
Change
h1: Wildly Comfortable. Super Natural.; cta: N/A; notes: Clearly state the standard shipping cost (e.g., '$5.00 flat rate shipping on orders under $100') alongside the free shipping offer on the homepage, perhaps in the header or a prominent banner, to ensure full transparency before cart engagement.
Acceptance criteria
GIVEN a first-time visitor on the affected page
WHEN the change is live
THEN Clearly state the standard shipping cost (e.g., '$5.00 flat rate shipping on orders under $100') alongside the free shipping offer on the homepage, perhaps in the header or a prominent banner, to ensure full transparency before cart engagement, with no regression at 375px and 1280px widths.
Tracking
event: cro_conditional_shipping_cost_clarity on interaction with the changed element; verify it fires in BOTH variants before opening traffic.
Success metric
conversion rate
QA checklist
Chrome / Safari / Firefox · 375px + 1280px · keyboard reachable · screen-reader name present · no CLS introduced
Effort
Medium — 2-5 days
Test plan
299,882 visitors per variant (95% significance, 80% power); not testable at current traffic.
Rollback
Feature-flag the change; revert the flag if the primary metric drops for 3 consecutive days.
← No social proof in heroFree shipping threshold hidden →