A/B Testing
Sticky variants + statistical confidence
Key takeaways
4- Test blocks, CTAs or whole pages with sticky visitor assignment
- Frequentist z-test + Wilson confidence interval
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- Won't call a winner under 30 conversions per variant
- Auto-concludes at statistical confidence
About this app
Run experiments on blocks, page-level CTAs, or whole pages. Visitors stay bucketed to the same variant via signed cookies. Two-proportion z-test confidence; refuses to call a winner under 30 conversions per variant.
How it works
- 1
Pick what to test, a single block, a page-level CTA, or a whole page variant
- 2
Visitors are bucketed to one variant via a signed cookie and stay there, so the test stays clean
- 3
Conversions are tracked per variant with a two-proportion z-test and Wilson confidence interval
- 4
The test refuses to call a winner under 30 conversions per variant, no false positives on thin data
- 5
Auto-conclude flips the winner live once it hits statistical confidence
Who it's for
- Site owners guessing which headline or CTA converts better
- Anyone wanting statistically honest results, not a 3-visitor 'winner'
- Marketers testing a whole landing-page variant against the control
- Teams wanting a holdout group to measure true lift
Features included
- Block / page / CTA scope
- Sticky visitor assignment
- Frequentist + Wilson CI
- Auto-conclude at confidence
- Holdout group
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Related apps
Often installed alongside A/B Testing.
About OneBookPlus apps
How A/B Testing fits into the rest of OneBookPlus
Most OneBookPlus apps are not external integrations wired up between separate products. They are native modules installed inside the same platform you already use for invoicing, bookings, CRM, and accounting. That means A/B Testing reads from and writes to the same customer records, financial entries, and calendar events as every other module, with no scheduled sync delays and no risk of data drift between systems.
Because the marketplace runs inside OneBookPlus, billing is consolidated. A/B Testing is included free with every plan, so installation just enables the feature in your dashboard. Cancellation is one click and never reaches into your data. Uninstalling an app removes the feature from the UI but preserves the underlying customer, invoice, and booking records, so reinstalling later picks up exactly where you left off.
Every app in the marketplace is built specifically for the Australian small and medium business context: GST and ABN handling are first-class concerns, dates render as DD/MM/YYYY, currency defaults to AUD, and the underlying compliance plumbing (BAS summaries, ATO-friendly records, AHPRA / NDIS / Fair Work checkpoints where relevant) is shared across modules.
For a side-by-side of which features ship as core modules versus which require an installed app, see the features page. For pricing across plans and which apps are bundled at each tier, see the pricing page.
Frequently asked questions
Common questions about A/B Testing and the OneBookPlus app marketplace.
How do I install A/B Testing?
Open your OneBookPlus dashboard, go to App Marketplace, and click Install on A/B Testing. It appears in your dashboard straight away, with no separate account to create and nothing to pay twice for.
What does A/B Testing cost?
Yes, this app is included free with every OneBookPlus plan.
Will A/B Testing work with the rest of my OneBookPlus setup?
Every app in the marketplace is built into the same platform, so A/B Testing reads and writes the same contacts, invoices, bookings, and accounting data as the rest of OneBookPlus. No separate logins, no manual sync, no double-entry.
Every app in the marketplace
These answers are the same whichever app you install.
- Can I cancel anytime?
- Yes. There are no lock-in contracts on any OneBookPlus app. Uninstall from your dashboard at any time and billing stops at the end of the current period.
- Is my data secure?
- Yes. Encrypted in transit (TLS) and at rest (AES-256), with each business's data isolated at the database layer, hosted in Australia in line with the Privacy Act 1988. We never sell or share your business data with third parties, and the full practices are documented on the OneBookPlus security page at onebookplus.com.au/security.
- Is OneBookPlus built for Australian businesses?
- Yes. OneBookPlus is Australian-owned, built in Melbourne, with GST, ABN validation and ATO-ready BAS reporting as the foundation, not an afterthought.
Australian Owned
Built in Melbourne, AU
GST Compliant
ATO-ready from day one
Encrypted & Isolated
TLS in transit, AES-256 at rest, tenant isolation at the database layer, read the security page
Free Plan Available
No credit card needed
About the author
Bishal Shrestha
Founder & CEO, OneBookPlus
Bishal spent a decade running digital projects for Australian small businesses before founding OneBookPlus. This app sits inside the OneBookPlus marketplace, designed and maintained for Australian small to medium businesses. A/B Testing is part of a single platform that connects invoicing, bookings, CRM, accounting, and marketing, so installing apps adds capability without adding logins.
Read the founder bioReady to add A/B Testing?
It's free, install it in one click and start using it today.
Reviewed by Bishal Shrestha
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