UTM Editor - efficient tagging of campaign links
You can evaluate the effectiveness of an advertising campaign as a whole. But in order to optimize it on an ongoing basis and get the most out of its budget, you need detailed data on the effectiveness of individual channels, creations, and locations. This is what UTM tags (or UTM codes) are for – parameters added to the landing page URL that don’t affect its display but allow the analytical package (e.g. Google Analytics) to record additional information about traffic sources.