GiveWP loads ALL scripts and styles, regardless if a form is present on the page. This script removes them, unless a GiveWP form iframe is present, speeding up your site and reducing load times, etc.

deregister_GiveWP_scripts_styles.php

/**
 * Deregister and dequeue all GiveWP scripts and styles, unless we're loading them for a GiveWP forms iframe.
**/
function give_deregister_script() {

	$deregister = false;
	
    /** 
    * example gleaned from https://www.boilingpotmedia.com/education/wordpress-conditional-tag-if-url-contains-a-string/
    * though that example uses split() [deprecated]
    **/
    $uri = $_SERVER["REQUEST_URI"]; // get the URL
    $uri_array = explode("/",$uri); // explode the URL at each slash to get an array
    $uri_first = $uri_array[1]; // select the FIRST part, which is 'give' for iframed forms

    if (!$uri_first == 'give'){ // Dequeue GiveWP for ALL pages that don't match the iframe's URL structure
		$deregister = true;
	}

	// Check if the conditions are met to register.
	if ( $deregister ) {
		wp_deregister_script( 'give' );
		wp_dequeue_script( 'give' );

		wp_deregister_script( 'give_ffm_frontend' );
		wp_dequeue_script( 'give_ffm_frontend' );

		wp_deregister_script( 'give_recurring_script' );
		wp_dequeue_script( 'give_recurring_script' );

		wp_deregister_script( 'give-donation-summary-script-frontend' );
		wp_dequeue_script( 'give-donation-summary-script-frontend' );

		wp_deregister_script( 'give-stripe-js' );
		wp_dequeue_script( 'give-stripe-js' );

		wp_deregister_script( 'give-stripe-onpage-js' );
		wp_dequeue_script( 'give-stripe-onpage-js' );

		wp_deregister_script( 'give-fee-recovery' );
		wp_dequeue_script( 'give-fee-recovery' );

		wp_deregister_script( 'give-funds-script-frontend' );
		wp_dequeue_script( 'give-funds-script-frontend' );

		wp_deregister_script( 'give-stripe-payment-request-js' );
		wp_dequeue_script( 'give-stripe-payment-request-js' );

		    wp_deregister_style( 'give-styles' );
			wp_dequeue_style( 'give-styles' );

			wp_deregister_style( 'give-donation-summary-style-frontend' );
			wp_dequeue_style( 'give-donation-summary-style-frontend' );

			wp_deregister_style( 'give-funds-style-frontend' );
			wp_dequeue_style( 'give-funds-style-frontend' );

			wp_deregister_style( 'give-fee-recovery' );
			wp_dequeue_style( 'give-fee-recovery' );

			wp_deregister_style( 'give_ffm_frontend_styles' );
			wp_dequeue_style( 'give_ffm_frontend_styles' );

			wp_deregister_style( 'give_ffm_datepicker_styles' );
			wp_dequeue_style( 'give_ffm_datepicker_styles' );

			wp_deregister_style( 'give_recurring_css' );
			wp_dequeue_style( 'give_recurring_css' );
	}

}
add_action( 'wp_enqueue_scripts', 'give_deregister_script', 999 );
add_action( 'wp_print_scripts', 'give_deregister_script', 999 );