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script with a data type must not have blocking Web Standard

Description

A script element with a type attribute whose value is neither a JavaScript MIME type, module, importmap, nor speculationrules (i.e., a data block) must not have a blocking attribute.

Applicable standards

Change history

  • 2026.60 Apr 2026 Added.

This page describes a web site issue detected in HTML documents by SortSite Desktop and OnDemand Suite.

Rule ID: W3cHtml5ScriptForbidden-datablock–blocking