Topic
Shopify, WooCommerce, checkout, and conversion for online stores.
Jan 10, 2026 · 12 min read
WitsCode's internal pre-engagement Shopify checkout audit, released in full. Twenty-three questions covering payments, shipping, forms, trust, and mobile ergonomics.
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Jan 7, 2026 · 10 min read
The math behind the ideal Shopify free shipping threshold for your AOV, data from twelve stores we tested, and the cart-drawer Liquid implementation WitsCode uses to show live progress.
Jan 5, 2026 · 9 min read
We tested the seven most-installed Shopify upsell apps for JavaScript weight, LCP impact, and attribution accuracy. Here is the ranking, the one we use on every store, and the three we refuse to...
Jan 3, 2026 · 10 min read
The default wisdom says always offer guest checkout. That is wrong for three specific merchant types. Here is the honest LTV math that tells you which one you are.
Jan 1, 2026 · 11 min read
The four post-purchase offer types that actually convert on Shopify, mapped to product category, with real conversion math and the UI Extension build WitsCode uses.
Dec 29, 2025 · 10 min read
A real six-email Klaviyo sequence we built into a Shopify client's flow. Exact timing, subject lines, offers, and why email three does most of the work.
Dec 26, 2025 · 11 min read
Post-purchase vs in-checkout upsells on Shopify Plus, realistic AOV lift data, the three upsell patterns that quietly destroy conversion, and the exact Shopify Functions plus UI extension code for a...
Dec 24, 2025 · 10 min read
A side by side on the four mobile accelerated checkouts, the markets where each one converts best, and the order we stack them on the product page. Includes the one order we never use and why.
Dec 22, 2025 · 9 min read
Shop Pay wins on returning shoppers but hurts first-time mobile users in specific conditions. Here's the breakdown by traffic source, device, and AOV band, with the theme conditional we use to hide...
Dec 20, 2025 · 10 min read
Most one-page checkout apps trade Core Web Vitals for a minor psychological win. Here is the field data from thirty stores, the segments where one-page beats the default, and the segments where it...
Dec 18, 2025 · 12 min read
A veteran walkthrough of the checkout.liquid to Checkout Extensibility migration, what actually breaks, and the three patterns WitsCode rebuilds on every store.
Dec 15, 2025 · 10 min read
You scored 95 in PageSpeed Insights but Search Console says your Core Web Vitals are failing. Here is exactly why the numbers disagree, which one Google actually uses for ranking, and how to fix the...
Dec 12, 2025 · 10 min read
Build the honest math from Amazon, Portent, and Deloitte data applied to DTC AOVs of $40, $80, and $150. Traffic mix, nonlinearity, and reproducible sources.
Dec 10, 2025 · 11 min read
The nuance most Shopify lazy loading guides miss. Why your LCP image must never be lazy, the forloop.first pattern for product grids, and the fetchpriority plus preload gotcha that silently...
Dec 8, 2025 · 10 min read
Shopify mobile performance hinges on CrUX field data from mid-range Android, not desktop Lighthouse. Real INP tests, device picks, and what Google sees.
Dec 6, 2025 · 12 min read
A sequenced 12-step Shopify Core Web Vitals playbook from the WitsCode engineering bench. Trigger conditions, expected lift, and honest time budgets for LCP, INP, and CLS fixes that actually move...
Dec 4, 2025 · 10 min read
We audited 12 of the most-installed Shopify speed apps on a controlled Dawn store. Most add more JavaScript than they remove. Here is the methodology, the numbers, and the three that actually help.
Dec 1, 2025 · 10 min read
A technical teardown of the three Liquid anti-patterns we find on almost every Shopify audit: nested metafield loops, uncached linklist iterations, and unchecked product-tag filters. With...
Nov 28, 2025 · 10 min read
A real anonymised Shopify performance case study. The audit, the four fixes that did 80 percent of the work, the measurements between each change, and a frank note on what we refused to do.
Nov 26, 2025 · 10 min read
We pulled ThemeVitals and Shopify's own CrUX table for the top themes. On mobile, Dawn's free baseline out-runs most $380 premium themes. Here is the data, the reasons, and the four moments custom is...
Nov 24, 2025 · 10 min read
A working Shopify app audit method from an agency that has taken over 250 plus stores. Four axis scoring, DevTools workflow, staging and rollback.
Nov 22, 2025 · 11 min read
Shopify INP fails where LCP passes. A field guide to variant pickers, cart drawers, predictive search, and the jQuery app handlers dragging your 75th percentile past 200ms.
Nov 19, 2025 · 10 min read
Shopify Core Web Vitals 2026: only 48% of stores pass on mobile. The three app categories killing LCP, exact KB weights, and fixes from 250+ builds.
