Goddag @PureTime !
Sorry to hear about your issue! Here’s what’s likely happening:
1. The error often comes from product description content
Shopify flags “Broken HTML” when there’s unclosed or mismatched tags in your product descriptions—not merely your theme files. Even if your .liquid code seems fine, the HTML inside the WYSIWYG product description editor can cause issues
What to try:
In Shopify Admin, go to your product page and open the “<>” source view in the rich‑text editor.
Remove or rewrite any suspicious HTML (e.g. unclosed <div>, <span>, <p> tags).
To be safe, Ctrl/Cmd + Shift + V–paste plain text.
Save and test again.
2. Validate your theme’s Liquid sections with HTMLHint
Even small typos in product-template.liquid—like an extra <div> or missing </li>—can trigger the error.
Pro tip:
Copy the code from sections/product-template.liquid and paste it into HTMLHint to catch mismatched tags.
Fix any issues reported, then re-save the file in Shopify.
3. Zoom in on newly added custom snippets
If you recently included snippets or added new markup, isolate them:
Temporarily comment out which blocks you’ve added.
Test until the error disappears.
Focus your fix on that snippet’s HTML structure.
Once you’ve fixed either the product description HTML or the theme section snippet, re-save both and retry. That’ll almost always clear the “Broken HTML” alert.
Held og lykke!
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