WordPress: Track a visitor referrer URL on an Elementor Form or contact form 7

				
					<script>
document.addEventListener('DOMContentLoaded', () => {

    // Function to get the referrer URL and save it to local storage with an expiry
    function saveInitialReferrer() {
        if (!localStorage.getItem('initial_referrer')) {
            const referrer = document.referrer || "direct";
            const referrerData = {
                url: referrer,
                expiry: new Date().getTime() + 30 * 24 * 60 * 60 * 1000 // 30 days in milliseconds
            };
            localStorage.setItem('initial_referrer', JSON.stringify(referrerData));
        }
    }

    // Function to get the saved referrer from local storage if it's not expired
    function getSavedReferrer() {
        const referrerData = JSON.parse(localStorage.getItem('initial_referrer'));
        if (referrerData) {
            if (new Date().getTime() < referrerData.expiry) {
                return referrerData.url;
            } else {
                localStorage.removeItem('initial_referrer');
            }
        }
        return null;
    }

    // Function to set the referrer URL to the hidden input field
    function setReferrerInFormField() {
        const referrer = getSavedReferrer();

        if (referrer) {
            // Set the referrer value in the form field if it exists
            const referrerField = document.querySelector('input[name="form_fields[referrer_url]"]');
            if (referrerField) {
                referrerField.value = referrer;
            }
        }
    }

    // Call the function to save the referrer when the script runs
    saveInitialReferrer();

    // Specify the specific pages where you want to set the referrer in the form field
    const specificPages = ['/contact/', '/other-page/']; // Add more paths as needed

    // Check if the current page is one of the specific pages
    if (specificPages.includes(window.location.pathname)) {
        setReferrerInFormField();
    }
});
</script>