Stop Contact Form 7 from loading on all WordPress site pages but selected one or selected ones in array.

php

function wps_contact_form_7_check_dequeue() {
    //Set to false to be able to check against something
	$check_cf7 = false;
	// Page ID, title, slug, or array of such.
	// if ( is_page( array( 37, 'contact-us', 'Contact US' ) ) ) {
	// if ( is_page( 'contact-us' ) ) {
	if ( is_page( array( 213, 'contact', 'Sample Page' ) ) ) {
        	$check_cf7 = true;
    }
	//so therefore dequeue only if is false 
    if ( !$check_cf7 ) {
        wp_dequeue_script ( 'contact-form-7' );
        wp_dequeue_style ( 'contact-form-7' );
    }
}
add_action( 'wp_enqueue_scripts', 'wps_contact_form_7_check_dequeue', 77 );