Google has updated GTM and Simo Ahava has covered this so thoroughly that there is not really much point for me in writing an article myself. More importantly Google has adopted the new European privacy framework.
Google does not just offer a search engine, or a browser, or an Analytics package; it offers an ecosystem where you can connect various parts easily using just standard web technology. I needed a simple way to keep notes on individual tags, triggers and variables within the Google Tag Manager, since via the interface I can keep notes only per container version, and I’ve come up with a basic solution that might be expanded into something that’s useful for others, too.
Cookie Settings And Subdomain Tracking In Universal Analytics
Just a quick thing that came up in a linkedin post. If you are working on a website and want to exclude yourself from Google Analytics tracking you have a number of options – exclude filters in the GA interface, various ways of blocking your own calls via the Google Tag Manager (the extremely worthwhile Lunametrics blog has an article on this), using Ghostery or similar or installing the official opt-out browser extension.