Add UTM to Googlebot

googlebot-utm.js

const userAgent = navigator.userAgent; 
const googleBotRegex = /Google/i; 
if (googleBotRegex.test(userAgent)) { 
    const url = new URL(window.location.href); 
    url.searchParams.set('utm_source', 'googlebot'); 
    url.searchParams.set('utm_medium', 'crawler'); 
    url.searchParams.set('utm_campaign', 'bot_campaign'); 
    // Update the URL without reloading the page 
    window.history.replaceState(null, '', url.toString()); 
    console.log("UTM CHECK", url.toString())
}