Mobile View for Responsive web design optimization (UX design) + Mobile Friendly Test

Missing $domain parameter in function call to __().

Missing "License" in Plugin Header. Please update your Plugin Header with a valid GPLv2 (or later) compatible license.

A function call to esc_html__() with texts containing placeholders was found, but was not accompanied by a "translators:" comment on the line above to clarify the meaning of the placeholders.

All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found '__'.

All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found '__'.

All output should be run through an escaping function (see the Security sections in the WordPress Developer Handbooks), found '$this'.

Use placeholders and $wpdb->prepare(); found $placeholders

The use of function get_post_type_labels() is forbidden

Scripts must be registered/enqueued via wp_enqueue_script()

Global variables defined by a theme/plugin should start with the theme/plugin prefix. Found: "$FrontendController".