The AI growth team behind brands that Win

Profile any storefront, find every conversion gap, ship A/B tests, and watch revenue compound. All in one place.

Trusted by CRO agencies, in-house ecommerce teams, and founders

Your CRO team, running 24/7

A full CRO team, running while you sleep.

Spar runs the whole pipeline profile, crawl, score, ideate, ship. Then it hands you a ranked inbox of every opportunity, sorted by revenue impact.

The Spar pipeline

Run every audit step automatically.

Profiling website
Crawling pages by funnel
Auditing UX & code
Analyzing user behavior
Evaluating site performance
Mining customer feedback
Tracing buyer journey
Generating ideas
Designing mockups
Writing code
Building variations

Triage inbox

Meaningful opportunities sorted by revenue impact.

Embed a monthly-payment financing calculator near the price on $3k+ sectional PDPs

$184k/yr

ConfidencePDP · Financing· Confidence rule + monthly-payment intent

Auto-route interior-designer + trade-program referrals into a VIP welcome flow

$1.64M/yr

LoyaltyAudience routing· Loyalty rule + trade-referral lift

Surface 'Arrives by' dates + white-glove delivery guarantees inside the sectional configurator, not at checkout

$97k/yr

ConfidencePDP · Configurator· Confidence rule + post-config drop

Repair the automated shipping + duty API for international sectional checkouts

$1.42M/yr

PerformanceCheckout · Intl· Performance rule + duty calc errors

Track zero-result searches on the sectional collection to surface unmet fabric + size demand

$204k/yr

DiscoverySearch · Analytics· Discovery rule + null-result spikes

Add ARIA-live regions for live price totals + validation errors in the sectional configurator

$73k/yr

PerformancePDP · Configurator· Performance rule + a11y audit gap

Browse-abandon email sequence for non-subscribers who configured a sectional but didn't add to cart

$396k/yr

LoyaltyEmail · Onsite· Loyalty rule + ID-stitch coverage

Promote 'Book a free design consultation' to a sticky primary CTA in the top nav

$1.81M/yr

FrictionNav· Friction rule + CTA tap-through gap

'Total Landed Cost' calculator on PDP for international shoppers (tax + duties + white-glove)

$462k/yr

ConfidencePDP · Intl· Confidence rule + intl checkout abandon

'Recently Viewed' shelf across PDP + collection grid so shoppers can re-find configurations

$251k/yr

DiscoveryCross-page· Discovery rule + return-nav loop

Verify in-app browser checkout compatibility for IG + Facebook traffic

$2.92M/yr

PerformanceCheckout · Meta· Performance rule + in-app drop-off

Deploy 360° product views for modular sectionals over $3,000

$108k/yr

DesirePDP · High-ticket· Desire rule + zoom-tap loop

Sticky mobile sub-nav to jump between Details, Fabric, Dimensions

$2.64M/yr

UnderstandingPDP · Mobile· Understanding rule + 41% scroll drop

Quick-View on product cards — secondary images + key specs without leaving the grid

$341k/yr

DiscoveryCollection· Discovery rule + 22% PLP bounce

Turn the tracking page into a retention hub with 'Ready for Assembly?' prompts + accessory cross-sells

$9.4k/yr

LoyaltyOrder tracking· Loyalty rule + post-purchase gap

Compare tool on sectional collection pages — fabric grade + dimensions side-by-side

$287k/yr

DiscoveryCollection · Compare· Discovery rule + PLP-PDP toggles

Embed a monthly-payment financing calculator near the price on $3k+ sectional PDPs

$184k/yr

ConfidencePDP · Financing· Confidence rule + monthly-payment intent

Auto-route interior-designer + trade-program referrals into a VIP welcome flow

$1.64M/yr

LoyaltyAudience routing· Loyalty rule + trade-referral lift

Surface 'Arrives by' dates + white-glove delivery guarantees inside the sectional configurator, not at checkout

$97k/yr

ConfidencePDP · Configurator· Confidence rule + post-config drop

Repair the automated shipping + duty API for international sectional checkouts

$1.42M/yr

PerformanceCheckout · Intl· Performance rule + duty calc errors

Track zero-result searches on the sectional collection to surface unmet fabric + size demand

$204k/yr

DiscoverySearch · Analytics· Discovery rule + null-result spikes

Add ARIA-live regions for live price totals + validation errors in the sectional configurator

$73k/yr

PerformancePDP · Configurator· Performance rule + a11y audit gap

Browse-abandon email sequence for non-subscribers who configured a sectional but didn't add to cart

$396k/yr

LoyaltyEmail · Onsite· Loyalty rule + ID-stitch coverage

Promote 'Book a free design consultation' to a sticky primary CTA in the top nav

$1.81M/yr

FrictionNav· Friction rule + CTA tap-through gap

'Total Landed Cost' calculator on PDP for international shoppers (tax + duties + white-glove)

$462k/yr

ConfidencePDP · Intl· Confidence rule + intl checkout abandon

'Recently Viewed' shelf across PDP + collection grid so shoppers can re-find configurations

$251k/yr

DiscoveryCross-page· Discovery rule + return-nav loop

Verify in-app browser checkout compatibility for IG + Facebook traffic

$2.92M/yr

PerformanceCheckout · Meta· Performance rule + in-app drop-off

Deploy 360° product views for modular sectionals over $3,000

$108k/yr

DesirePDP · High-ticket· Desire rule + zoom-tap loop

Sticky mobile sub-nav to jump between Details, Fabric, Dimensions

$2.64M/yr

UnderstandingPDP · Mobile· Understanding rule + 41% scroll drop

Quick-View on product cards — secondary images + key specs without leaving the grid

$341k/yr

DiscoveryCollection· Discovery rule + 22% PLP bounce

Turn the tracking page into a retention hub with 'Ready for Assembly?' prompts + accessory cross-sells

$9.4k/yr

LoyaltyOrder tracking· Loyalty rule + post-purchase gap

Compare tool on sectional collection pages — fabric grade + dimensions side-by-side

$287k/yr

DiscoveryCollection · Compare· Discovery rule + PLP-PDP toggles

See what Spar runs out of the box

Audit a new store in 5–10 minTriage your first auditRun an A/B test end-to-endSend a test to your stackHand off a report

Drill into every opportunity, segment, and test

From opportunity to winner, in one platform.

Opportunities

Spar bundles related opportunities into a single thing you can ship.

Every opportunity comes with an idea, mockup preview, ICE/PIE/PXL scores, and a $ projected gain you can defend. Approve to run as a test or ship as a fix.

FrictionPDP · Mobile

Add to cart hidden below the fold on mobile PDP

Projected gain

+$304k/yr

Hypothesis

If we surface Add to Cart above the fold on mobile PDP, then mobile add-to-cart rate will rise, because the current CTA sits 1.4 screens below the hero image on iOS Safari.

Design mockup

Before

After

Spar just generated 4 opportunity drafts from your overnight audit refresh.

Explore

Segment-by-segment comparison your full-site audit would average out.

Slice by device, audience, traffic source, or geography. Spar generates per-segment cards and draft opportunities you can approve into your main list.

Explore

Mobile vs. desktop checkout friction

DeviceAudienceTraffic sourceGeography

Checkout conversion by device

Mobile · iOS1.8%−42%

Mobile · Android2.1%−31%

Desktop · Chrome3.1%baseline

Tablet · iPad4.6%+48%

Draft opportunities

Simplify mobile checkout to single column on iOS
Pre-fill address from Apple Pay on first step

Draft opportunities don't enter your main list until you approve.

Statistical significance

Spar calls the winner. You don't pick a duration.

Sequential statistical testing means winners get flagged at 95% confidence without a fixed runtime. No fudging the math, no premature stops.

Test analytics

Sticky add-to-cart on mobile PDP

10 days · 38,200 sessions

Winner · 95% confidence

Control CR

2.5%

Variant CR

3.5%

Lift

+40%

Statistical significance

Control Variant

Statistical significance reached on day 8. Spar flagged the winner automatically.

Fits the stack you already use

Spar slots into the stack you already trust.

Bring your data

Spar reads your real funnel, and compares with industry averages.

GA4 powers Metrics, Data observations, and revenue impact scoring. Clarity adds heatmaps and session replay on top. Shopify is optional, but enriches the crawl with the live theme, products, and checkout flow.

Google Analytics 4

Connected

Funnel, traffic source, and page-level metrics. Powers Metrics, Data observations, and revenue impact scoring on every opportunity.

Sessions

184k

Conv rate

2.41%

AOV

$92

Microsoft Clarity

Connected

Heatmaps + session replay. Confirms friction points on specific pages and enriches behavioral observations.

Recordings

12.4k

Rage clicks

318

Dead clicks

742

Ship anywhere

Deploy through the platform your team already runs.

Sticky add-to-cart on mobile PDP

Draft · Ready to ship

Variant ready

Variant code

<div class="cuped-sticky-atc">
  <button class="atc-cta">Add to cart · $84</button>
</div>

Spar writes the diff. You review in the Content tab.

Execution target

GrowthBook
Feature flag rollout
Intelligems
Pricing tests
Convert
Visual editor + URL redirect

File the ticket

Your engineering backlog stays in your engineering tool.

Fixes

3 columns · 55 cards

Backlog

Fix oversized hero on iOS

Replace stock badges with reviews

Prioritized

Sticky add-to-cart on mobile

JIRA-481

Shipped

Inline shipping calculator

Filed in your stack

JiraJIRA-481

Sticky add-to-cart on mobile

AsanaA-2891

Sticky add-to-cart on mobile

Spar creates, your team updates.

Start your first audit.

Paste a URL. Spar profiles the store, ranks every opportunity, and hands you a prioritized backlog complete with mockups and Javascript code.

Get started

Paste a URL. Get a prioritized backlog in 10 minutes.

Your own store, a client's store, or a competitor's. No integrations needed for the first audit.

Spar Reports

Frozen, shareable snapshots.

Six default sections: intro, executive summary, health score, what changed, key learnings, CRO priorities. Recipients don't need a Spar account.

Spar Research

A searchable library of inspiration.

Exact matches and near-misses across the patterns you're considering for every idea Spar drafts.

Spar Data

Behavioral observations from GA4 + Clarity.

What's spiking, what's dropping, what's worth a closer look. Pulled them and rank them.

Still got questions?

Walk through a live audit with the team. We'll show you the opportunities Spar finds on your site and how the test pipeline works end-to-end.

The AI growth team behind brands that WinWinConvertLearnCompoundExperiment

A full CRO team, running while you sleep.

Run every audit step automatically.

Meaningful opportunities sorted by revenue impact.

From opportunity to winner, in one platform.

Spar bundles related opportunities into a single thing you can ship.

Segment-by-segment comparison your full-site audit would average out.

Spar calls the winner. You don't pick a duration.

Spar slots into the stack you already trust.

Spar reads your real funnel, and compares with industry averages.

Deploy through the platform your team already runs.

Your engineering backlog stays in your engineering tool.

Start your first audit.

Paste a URL. Get a prioritized backlog in 10 minutes.

Frozen, shareable snapshots.

A searchable library of inspiration.

Behavioral observations from GA4 + Clarity.

Still got questions?

The AI growth team behind brands that Win