E-commerce Conversion Engineering Playbooks
Hard analysis, engineering teardowns and proven standards for optimising online stores. No marketing fluff — just the psychology of purchase decisions, code architecture and profit mathematics.
10 Usability Heuristics in E-commerce: A Buyer Journey Teardown
A complete analysis of the 10 international interface ergonomics principles, translated into the reality of online stores. See screenshots from PUSH production deployments, how we remove cognitive friction and how we plug cash leaks on product pages and at checkout.
Why Does Your GA4 Misreport ROAS from Ads? 6 Tracking Configuration Errors
Measurement engineering without losing data. We expose attribution thieves (payment gateways), critical Consent Mode v2 implementation errors, Server-Side GTM architecture and the Enhanced Conversions mechanism in Google Ads.
One-Step Checkout in Practice: Anatomy of 7 Errors That Leak 45% of Transactions
Checkout architecture without unnecessary steps. Cutting attention-leak points, screenshots from silent guest checkout deployments, B2B VAT-ID data automation and friction-free BLIK payment integration.
Why Are Customers Afraid to Buy Expensive Products Online? 6 Product Page Changes
How to sell technical equipment, machinery and wholesale orders without decision paralysis. See parameter breakdowns, B2B volume discounts, transparent bundle contents and direct engineer support.
Why Does Your Mobile Store Annoy Customers? Thumb Zone Ergonomics and 5 Mobile Rules
More than 75% of traffic comes from smartphones. Learn what the thumb zone is, how to implement a bottom bar and a sticky buy bar, and how to eliminate fat-finger errors on a small screen.
Prefer to test your store instead of reading?
Use our interactive auditors. In 60 seconds, check the critical points of your product page, checkout process and analytics setup — or calculate your lost profit.
More engineering playbooks in preparation
PUSH technical and architectural standards, published soon.Search and Filters: Why 30% of Customers Cannot Find the Product
Search architecture with typo tolerance (fuzzy search), asynchronous filtering without resetting the view and elimination of empty results in large catalogues.
Core Web Vitals vs Margin: Why a 1.2 s LCP Delay Destroys ROAS from Ads
Critical rendering path optimisation, preloading of main product images and safe deferral of heavy analytics scripts in WooCommerce and PrestaShop.
Anatomy of Trust: Designing Reviews and Certificates Without the “Fake” Effect
Moving beyond empty yellow stars. Implementing reviews with photos of real installations, Omnibus directive compliance and exposure of security certificates.
Contact
Request a free audit of your store.
Fill in the form. Dawid, Lead Architect at PUSH, will analyse your store and get back to you within 24 hours with an actionable plan.
“Instead of hunting for random freelancers for every fix, we handed them full control over technology and campaigns. The store finally runs without issues, our customer acquisition costs dropped drastically, and we can focus solely on logistics and order fulfilment.”
Martyna – Co-owner, Rolexpress.pl