Follow these steps only if _internal/xsl/Template has been localized.
Changes in XSLT template
Step 1
Go to _internal/xsl/Template
and edit.

Step 2
Find <main role="main">
and replace it with <main>
.
Step 3
Add landmarks after body class as shown below:
<xsl:variable name="landmarks" select=".//element[@action='hide'][@name='landmarks']/text()"/>
<xsl:value-of select="$landmarks"/>

Step 4
Submit to save changes.