For auto-tagging, Google Adverts contains gclid= parameter within the vacation spot URL.
The right reply is: gclid=
Once you allow auto–tagging, a parameter referred to as gclid is added to your touchdown web page URL when a consumer clicks over to your website from an advert. For instance, in case your website is www.instance.com, when a consumer clicks in your advert it seems within the tackle bar as: www.instance.com/?gclid=123xyz.
For those who don’t see the gclid parameter appended to your URLs after the web page is totally loaded, then it’s doubtless that your web site isn’t configured to deal with question parameters in a approach that lets auto-tagging work.
Learn extra right here: https://help.google.com/analytics/reply/2938246