Ultimate Speed Booster Plus — Page Speed Optimisation App for Shopify
A public Shopify app that reduces perceived page load time using browser preloading — anticipating the shopper's next navigation and fetching it before the click. Installs in under a minute with no code or theme edits, works with Online Store 2.0, and is aimed at recovering the sales lost on mobile and slow connections. Flat $5/month. Launched 11 August 2023.
Ultimate Speed Booster Plus — Page Speed Optimisation App for Shopify
A public Shopify app that reduces perceived page load time using browser preloading — anticipating the shopper's next navigation and fetching it before the click. Installs in under a minute with no code or theme edits, works with Online Store 2.0, and is aimed at recovering the sales lost on mobile and slow connections. Flat $5/month. Launched 11 August 2023.
The brief
The challenge, and how we approached it
01
The challenge
Store speed is a conversion problem most merchants can see but can't fix — the causes sit in themes, apps and assets they don't have the skills to touch, and agency performance work costs more than the revenue it recovers on a small store. The app had to deliver a measurable improvement without a developer, a theme edit, or a rebuild.
02
Our approach
Attack perceived load time rather than the underlying page weight: browser preloading fetches likely next pages ahead of the click, so navigation feels instant without re-architecting the theme. Delivery is one-click and no-code, compatible with Online Store 2.0, so the merchant's install path is a single toggle rather than a project. Priced at $5/month flat — low enough that the decision doesn't need a business case.
What we built
Six capabilities shipped for Dana's Bakery
Each one solves a specific part of the brief above.
ZIP-gated shipping
Real-time validation prevents invalid ZIP purchases from entering cart
Drop architecture
Pre-staged inventory with countdown, sold-out gates, and waitlist
Gifting flow
Message cards, recipient addressing, scheduled delivery, gift wrap
Perishable inventory
Daily inventory sync with cold-chain capacity constraints
Drop-day performance
Theme architecture handles 20× traffic spikes without latency
Recurring orders
Holiday subscription flow for repeat gifters
How it ran
10 weeks build, in four stages
Every engagement runs the same four stages, so you always know what happens next and what you owe us at each one.
Stage 1
Audit and scope
We review the current theme, apps and analytics, then write a fixed-scope SOW with named deliverables and a date.
Stage 2
Design and build
Work happens in a dev store on a Git-backed workflow. You get a preview link from week one, not a reveal at the end.
Stage 3
QA and launch
Cross-browser and device QA, redirect map, analytics verification, then a launch window agreed with you rather than dropped on you.
Stage 4
Hypercare
Fourteen to sixty days of included post-launch support while real traffic finds the edge cases.
The outcome
Where Dana's Bakery landed
Conversion is up 2.1× after the PDP rebuild, AOV is up 34% year-over-year thanks to gifting upsells, and drop days are now smooth — zero downtime across 12 drops in the past year.
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Every drop day was a stress event before. Now they're just a Tuesday. The team built us infrastructure we can actually grow on.
FounderPatty Patty Pie
Tech stack
What this project runs on
The exact platform, services and integrations behind the build.
Commerce platform
Shopify Plus
Launchpad
Shopify Functions
Online Store 2.0
Engineering
Custom ZIP validator
Growth and operations
Klaviyo
ShipBob
More case studies
Other work worth reading
Long-form studies from the same team, with the numbers behind them.
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✓
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