Regarding Theme Check Plugin Notice

https://github.com/popothemes/PoPoEstate
Please help or contribute to fixed this issue

RECOMMENDED: No reference to add_theme_support( “custom-header”, $args ) was found in the theme. It is recommended that the theme implement this functionality if using an image for the header.

RECOMMENDED: No reference to add_theme_support( “custom-background”, $args ) was found in the theme. If the theme uses background images or solid colors for the background, then it is recommended that the theme implement this functionality.

RECOMMENDED: Tags: is either empty or missing in style.css header.

INFO: Only one text-domain is being used in this theme. Make sure it matches the theme’s slug correctly so that the theme will be compatible with www.remarpro.com language packs.
The domain found is popo-real-estate

INFO: At least one hard coded date was found in the file posts-loop.php. Consider get_option( ‘date_format’ ) instead.

INFO: At least one hard coded date was found in the file posts-loop-index.php. Consider get_option( ‘date_format’ ) instead.

INFO: At least one hard coded date was found in the file posts-loop-home.php. Consider get_option( ‘date_format’ ) instead.

INFO: trending-properties.php The theme appears to use include or require. If these are being used to include separate sections of a template from independent files, then get_template_part() should be used instead.

Line 35: require(locate_template( ‘template-parts/properties-loop-carousel.php’));
INFO: template-search-listing.php The theme appears to use include or require. If these are being used to include separate sections of a template from independent files, then get_template_part() should be used instead.

Line 53: require(locate_template( ‘template-parts/properties-loop.php’));
INFO: template-listing.php The theme appears to use include or require. If these are being used to include separate sections of a template from independent files, then get_template_part() should be used instead.

Line 50: require(locate_template( ‘template-parts/properties-loop.php’));
INFO: template-featured-listing.php The theme appears to use include or require. If these are being used to include separate sections of a template from independent files, then get_template_part() should be used instead.

Line 61: require(locate_template( ‘template-parts/properties-loop.php’));
INFO: template-blog.php The theme appears to use include or require. If these are being used to include separate sections of a template from independent files, then get_template_part() should be used instead.

Line 50: require(locate_template(‘template-parts/posts-loop.php’));

Line 67: require(locate_template(‘template-parts/posts-loop.php’));

INFO: recent-properties.php The theme appears to use include or require. If these are being used to include separate sections of a template from independent files, then get_template_part() should be used instead.

Line 20: require(locate_template( ‘template-parts/properties-loop-three-col.php’));
INFO: recent-posts.php The theme appears to use include or require. If these are being used to include separate sections of a template from independent files, then get_template_part() should be used instead.

Line 23: require(locate_template( ‘template-parts/posts-loop-home.php’));
INFO: poporealestate-widgets.php The theme appears to use include or require. If these are being used to include separate sections of a template from independent files, then get_template_part() should be used instead.

Line 126: include(locate_template(‘template-parts/featured-properties-sidebar.php’));
INFO: author.php The theme appears to use include or require. If these are being used to include separate sections of a template from independent files, then get_template_part() should be used instead.

Line 40: require(locate_template( ‘template-parts/properties-loop.php’));