Shopify Field Notes

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Problems we run into on real Shopify stores, and how we solve them.

Bug fixes, Horizon features built without an app, theme updates, and SEO findings.

What we learn, we share.

Latest Field Notes

Cover titled WhatsApp Button, No App Needed, showing a simplified store page with WhatsApp in the menu, a Chat on WhatsApp button, a text link, a contact box, and a floating WhatsApp button, beside a chat message bubble.
Shopify Horizon WhatsApp Button: 6 Copy-and-Paste Code Snippets
Paste one snippet, change the phone number, and Horizon gets a WhatsApp link, product button, contact box, or floating button. Product versions send the selected variant.
Cover titled Let Shoppers Copy Your Code in One Tap, with the code WELCOME10 shown in a bar at the top of a Shopify Horizon page and in a product page card with a check mark and a Copied label.
Shopify Horizon: Show a Discount Code on the Product Page Without an App
Horizon has no block that shows a discount code on the product page. Add a click-to-copy code box that follows your theme's fonts and colors.
Cover titled Show How Much Shoppers Save, with a magnifying glass over a green Shopify Horizon product card showing a $29.00 price and enlarging a 25% OFF badge.
Shopify Horizon: Show a Sale Percentage Badge Without an App
Horizon's Sale badge cannot show a percentage. Add one that follows the largest variant discount, with a theme setting to switch it on or off.
Cover reading "Variant Sold Out? Hidden." beside a product page sketch: a crossed-out size M leaves the size row, which keeps XS, S, L, and XL.
Shopify Horizon: Hide Unavailable or Sold-Out Variants Without an App
Horizon crosses out variants shoppers cannot buy and has no setting to hide them. Two ways to hide them without an app.
Cover reading "Right Variant, Right Image" beside two product page mockups: one marked "Wrong image" shows a beige T-shirt while green is selected, and one marked "Fixed" shows the green T-shirt for the green swatch.
Shopify Variant Image Not Changing When Selecting Options? How to Fix It
Product image not changing when a shopper picks a variant? The cause is a missing variant image, a setting or app, or a section without the feature.
Cover titled Inches or CM, by Country, showing a Bella+Canvas 3001 size guide in inches with United States and Germany country labels.
How to Add a Size Chart to Print-on-Demand Products on Shopify
Print-on-demand blanks share size labels but not measurements. Give each blank its own size chart popup, in inches or centimeters by country, without an app.
Cover reading “MISSING COMPARE-AT PRICE” beside a Shopify product price showing $88.00 CAD with no crossed-out compare-at price.
Shopify Compare-at Price Not Showing: How to Find the Cause
Sale price showing with no crossed-out original? Check whether the theme, the product data, or a Markets catalog is dropping the compare-at price.
Cover titled Variant Button Badges Without an App, showing Badge Text values in the Shopify bulk editor above Horizon variant buttons labeled Start here, Save 19%, and Save 26%.
Shopify Horizon: Add Custom Badges to Variant Buttons Without an App
Show a short badge such as Save 19% on each Horizon variant button. The text lives in a variant metafield, and the theme needs one new snippet.
Cover reading “SOLD OUT BUT IN STOCK?” beside a Shopify admin list showing 3 available for size M and a product page showing size M as sold out.
Shopify Product Shows Sold Out but Has Inventory: How to Find the Cause
Storefront says Sold out while admin lists stock? Check Available inventory, locations, shipping zones, bundles, syncing apps, and the theme.
Cover reading “ADD TO CART NOT WORKING?” beside an illustrated product page, simulated Console error, and empty cart.
Add to Cart Button Not Working on Shopify? Causes and Fixes
Add to cart button does nothing or shows an error? Find out whether the product, browser, theme, an app, or the cart display is the cause.
Country-aware size chart in Shopify Horizon showing inches for the United States and centimeters for Germany.
Shopify Horizon: Add a Country-Aware Size Chart Without an App
Build a size chart in Horizon’s built-in popup with Custom Liquid. It defaults to CM or inches by country, and shoppers can switch.
Shopify Horizon product galleries comparing all images with color-specific image groups when Black is selected.
Shopify Horizon: How to Show Multiple Images Per Color Without an App
Show only the selected color's photos on a Horizon product page. Group images with alt text and a theme code change, with no app.

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