how to add H1 in title site?

based on SEO inspector said that my homepage doesnt cointain H1 heading...

this code from developer source i taken from mozilla browser

titleinteriordapur - Ahlinya Kitchen Set amp; Desain Interior/title

I check source my website no H1 detected. and I check my theme header.php that the code such below

?php

/** * Setting global variables for all theme options saved values * * @since Construction Field 1.0.0 * * @param null * @return void * */ if ( ! function_exists( 'construction_field_set_global' ) ) : function construction_field_set_global() { /Getting saved values start/ $construction_field_saved_theme_options = construction_field_get_theme_options(); $GLOBALS['construction_field_customizer_all_values'] = $construction_field_saved_theme_options; /Getting saved values end/ } endif; add_action( 'construction_field_action_before_head', 'construction_field_set_global', 0 );

/** * Doctype Declaration * * @since Construction Field 1.0.0 * * @param null * @return void * */ if ( ! function_exists( 'construction_field_doctype' ) ) : function construction_field_doctype() { ?> >

/** * Code inside head tage but before wp_head funtion * * @since Construction Field 1.0.0 * * @param null * @return void * */ if ( ! function_exists( 'construction_field_before_wp_head' ) ) :

function construction_field_before_wp_head() {
    ?
    meta charset="?php bloginfo( 'charset' ); ?"
    meta name="viewport" content="width=device-width, initial-scale=1"
    link rel="profile" href="//gmpg.org/xfn/11"
    ?php
}

endif; add_action( 'construction_field_action_before_wp_head', 'construction_field_before_wp_head', 10 );

/** * Add body class * * @since Construction Field 1.0.0 * * @param null * @return null * */ if ( ! function_exists( 'construction_field_body_class' ) ) :

function construction_field_body_class( $construction_field_body_classes ) {

    global $construction_field_customizer_all_values;
    $construction_field_enable_animation = $construction_field_customizer_all_values['construction-field-enable-animation'];
    $construction_field_feature_info_display_options = $construction_field_customizer_all_values['construction-field-feature-info-display-options'];

    /*wow animation*/
    if( 1 != $construction_field_enable_animation ){
        $construction_field_body_classes[] = 'acme-animate';
    }
    $construction_field_body_classes[] = construction_field_sidebar_selection();

    if( 'hide' != $construction_field_feature_info_display_options ){
        $construction_field_body_classes[] = esc_attr( $construction_field_feature_info_display_options );
    }
    return $construction_field_body_classes;
}

endif; add_action( 'body_class', 'construction_field_body_class', 10, 1 );

/** * Start site div * * @since Construction Field 1.0.0 * * @param null * @return null * */ if ( ! function_exists( 'construction_field_site_start' ) ) :

function construction_field_site_start() {
    ?
    div class="site" id="page"
    ?php
}

endif; add_action( 'construction_field_action_before', 'construction_field_site_start', 20 );

/** * Skip to content * * @since Construction Field 1.0.0 * * @param null * @return null * */ if ( ! function_exists( 'construction_field_skip_to_content' ) ) :

function construction_field_skip_to_content() {
    ?
    a class="skip-link screen-reader-text" href="#content"?php esc_html_e( 'Skip to content', 'construction-field' ); ?/a
    ?php
}

endif; add_action( 'construction_field_action_before_header', 'construction_field_skip_to_content', 10 );

/** * Main header * * @since Construction Field 1.0.0 * * @param null * @return null * */ if ( ! function_exists( 'construction_field_header' ) ) : function construction_field_header() { global $construction_field_customizer_all_values; $construction_field_enable_header_top = $construction_field_customizer_all_values['construction-field-enable-header-top']; $construction_field_nav_class = ''; $construction_field_enable_sticky = $construction_field_customizer_all_values['construction-field-enable-sticky']; if( 1 == $construction_field_enable_sticky ){ $construction_field_nav_class .= ' construction-field-sticky'; } $construction_field_feature_info_display_options = $construction_field_customizer_all_values['construction-field-feature-info-display-options']; if( 1 == $construction_field_enable_header_top ){ ?>

                            if( 'left' == $construction_field_header_top_menu_display_selection ){
                                do_action('construction_field_action_top_menu');
                            }
                            if( 'left' == $construction_field_header_top_social_display_selection ){
                                do_action('construction_field_action_social_links');
                            }
                            if( 'left' == $construction_field_header_top_news_display_selection ){
                                do_action('construction_field_action_newsnotice');
                            }
                        ?
                    /div
                    div class="col-sm-6 text-right"
                        ?php
                            if( 'right' == $construction_field_header_top_menu_display_selection ){
                                do_action('construction_field_action_top_menu');
                            }
                            if( 'right' == $construction_field_header_top_social_display_selection ){
                                do_action('construction_field_action_social_links');
                            }
                            if( 'right' == $construction_field_header_top_news_display_selection ){
                                do_action('construction_field_action_newsnotice');
                            }
                        ?
                    /div
                /div
            /div
        /div
        ?php
    }
    ?
    div class="navbar at-navbar ?php echo ('alternative-info-menu' != $construction_field_feature_info_display_options? esc_attr( $construction_field_nav_class ) : '' );?" id="navbar" role="navigation"
        div class="container"
            div class="navbar-header"
                ?php
                if( 'alternative-info-menu' != $construction_field_feature_info_display_options ){
                    ?
                    button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse"i class="fa fa-bars"/i/button
                    ?php
                }
                $construction_field_display_site_logo = $construction_field_customizer_all_values['construction-field-display-site-logo'];
                $construction_field_display_site_title = $construction_field_customizer_all_values['construction-field-display-site-title'];
                $construction_field_display_site_tagline = $construction_field_customizer_all_values['construction-field-display-site-tagline'];

                if( 1== $construction_field_display_site_logo || 1 == $construction_field_display_site_title || 1 == $construction_field_display_site_tagline ):
                    if ( 1 == $construction_field_display_site_logo  function_exists( 'the_custom_logo' ) ):
                        the_custom_logo();
                    endif;
                    if ( 1== $construction_field_display_site_title  ):
                        if ( is_front_page()  is_home() ) : ?
                            h1 class="site-title"
                                a href="?php echo home_url( '/' ); ?" title="?php echo esc_attr( get_bloginfo( 'name', 'display' ) ); ?" rel="home"?php bloginfo( 'name' ); ?/a
                            /h1
                        ?php else : ?
                            p class="site-title"
                                a href="?php echo esc_url( home_url( '/' ) ); ?" title="?php echo esc_attr( get_bloginfo( 'name', 'display' ) ); ?" rel="home"?php bloginfo( 'name' ); ?/a
                            /p
                        ?php endif;
                    endif;
                    if ( 1== $construction_field_display_site_tagline  ):
                        $description = get_bloginfo( 'description', 'display' );
                        if ( $description || is_customize_preview() ) : ?
                            p class="site-description"?php echo esc_html( $description ); ?/p
                        ?php endif;
                    endif;
                endif;
                ?
            /div
            div class="at-beside-navbar-header"
                ?php
                if( 'alternative-info-menu' == $construction_field_feature_info_display_options ){
                    do_action( 'construction_field_action_feature_info' );
                }
                else{
                    construction_field_primary_menu();
                }
                ?
            /div

can some one help how to fix it???