Spark NZ · 2019 · 4 min read
Redesigning Spark's broadband sign-up so more people finish
Spark's online broadband journey showed plans before checking the address, and mixed moving house with new connections. I changed the order of decisions so people only saw what they could actually get.

- My part
I led discovery and designed the new flows, after 73,834 people started and only 619 finished
- Key decision
Ask for the address first, and split the journey by what people want to do
- Result
Key changes shipped after I left: reordered pages and clear messages up front
01 · Overview
Almost nobody finished
In two months, 73,834 people started buying broadband on Spark’s website. Only 619 finished. Many of the people calling the contact centre had already tried online and given up.
In 2019 Spark had just renamed its broadband plans and was shifting focus to wireless broadband. It wanted to sell more broadband online, make moving house easier, and take pressure off the call centre, for both personal and business customers. The existing online journey wasn’t coping.
73,834
new customers started the online journey
619
made it to the end
02 · My role
What I owned, and who I worked with
I was the UX designer in the Broadband tribe, working with a service designer and with squads across Wireless, Fibre, Copper and Billing.
- I led discovery, journey mapping, personas and scenarios.
- I designed the new flows, from sketches to an interactive prototype, and tested them with customers.
- We planned the changes with the squads, because they touched billing, network and product at the same time.
03 · The problem
Why people gave up
- 10interviews with existing customers and prospects
- 6personas, like new movers and price-conscious shoppers
- 65%of traffic on mobile
Alongside the interviews, I looked at analytics and contact centre data, and listened to calls. The calls told the same story as the numbers.
The problems were less about any one screen and more about the order things happened in:
- Plans were shown before the address was checked, so price and availability often changed halfway through.
- Moving house and new connections shared one journey.
- The full price and technology details only appeared after signing in or signing up, which is exactly where many people left.
The language didn’t help. People searched for “unlimited” or “high-speed fibre”, which didn’t match the new plan names. And the business wanted to lead with wireless, a technology most customers didn’t know much about.


04 · Key decisions
Changing the order of things
We agreed four principles to guide every call: show clearly what’s available at the address, lead with the plans most relevant to each person, make choosing simple, and only reveal add-ons when they’re needed.
Challenge
Movers, new customers and people changing plans were all pushed through one complex journey.
Decision
Split the journey by intent at the start. The first question asks whether someone is joining Spark, moving house or changing plan, and each gets its own focused path.
Challenge
Plans and prices changed once people entered their address, which felt like a bait and switch.
Decision
Ask for the address first. People then only see plans they can actually get, with upfront costs and contract terms clear from the start.
Before
- See plans and prices
- Enter address
- Plans and prices change
- Sign in or sign up to see the full price
- Checkout
New connections and moving house share one journey.
After
- Join, move house, or change plan?
- Enter address
- Only plans available here
- One decision per screen
- Review with costs up front
Each intent gets its own focused path.
Challenge
Customers were asked to pick a technology they didn’t understand, like wireless or fibre.
Decision
Offer options based on how people use the internet, and cut plan cards down to speed, data, contract and price, with plain-language info icons for technical terms.
I also designed for the awkward cases: addresses with no coverage, wireless as a fallback, bringing your own modem, and switching paths halfway through. Each one got proper error states.


05 · Outcome
What happened
Usability testing and feedback from internal teams showed a clear improvement in how easy the journey was to follow. We iterated on anything that wasn’t clear, then planned the changes into sprints with the squads.
This was my last project at Spark. After I left, the team made the key changes to the existing journey: they reordered the pages and put clear messages up front to reduce drop-off. Later, Spark redesigned the whole journey as part of a wider brand and product change, and I was told my work was its starting point. I don’t have a conversion figure to share.

06 · Reflection
What I took from it
Plan names and steps need to be obvious, not branded. And working out what someone is trying to do at the very start saves a lot of complexity later on.