no-obsolete-attr
Warns when there is an attribute the HTML Living Standard marks as a non-conforming, obsolete feature — authors must not use it.
An attribute merely marked deprecated (not yet removed from the spec) is no-deprecated-attr's concern.
❌ Examples of incorrect code for this rule
<link rel="alternate" href="/feed" charset="utf-8" />
✅ Examples of correct code for this rule
<link rel="alternate" href="/feed" />
Interface
{
"no-obsolete-attr": boolean
}
Default Severity
error