How to fix meta viewport large on Shopify Plus

Steps for Shopify Plus

1. Follow the same steps as Shopify above.
2. If you use a custom checkout (Checkout Extensibility), also check any checkout-specific liquid files such as checkout.liquid under the Layout folder and apply the same viewport fix there.

What is meta viewport large?

Every webpage can include a small HTML tag called the "meta viewport" tag that tells mobile browsers how to display the page. One option inside that tag, `maximum-scale`, sets an upper limit on how far a user can zoom in. When `maximum-scale` is set to a value less than 5 (for example, `maximum-scale=1` or `user-scalable=no`), it physically prevents visitors from pinching to zoom — meaning they cannot make text or images larger, no matter how hard they try. This is the issue your scanner flagged.

Blocking zoom is a significant accessibility barrier for the roughly 2.2 billion people worldwide who have some form of vision impairment. Many low-vision users rely entirely on browser or OS zoom to read product descriptions, prices, and checkout instructions — locking zoom means they simply cannot use your store. Under WCAG 2.1 Success Criterion 1.4.4 (Resize Text), text must be resizable up to 200% without loss of content or functionality; a zoom-blocking viewport tag directly violates this criterion. This matters legally too: the ADA, EN 301 549 (EU), and equivalent accessibility laws increasingly cite WCAG conformance, so non-compliance creates real litigation and regulatory risk. Fixing it costs almost nothing (a one-line HTML change) and immediately improves usability for every visitor on a mobile device.

See the complete Meta viewport large guide for every platform and the full background.