How to setup ecommerce tracking in Google Analytics if ecommerce platform is setup on subdomain?

I've done a lot of complex analytics installations, usually cross-domain and including AdWords and manual tagging with conversion tracking of ecommerce transactions. The gclid by default will override the manual UTM values in Analytics so that is what you are looking for. If you are just grabbing the manual tags from the URL for your own purpose, this should be OK. However, if you at some point want to import conversions (say) connected to your manual tag, then you would want to enable UTM overriding the gclid: https://support.google.com/analytics/answer/1033981?hl=en. Do you have AdWords and Analytics accounts linked? Where and how are you tracking commerce conversions, if you are? Do you feel you are getting the insights you need from your current custom reporting? Let me know if I can help with a call about those or further optimization of your analytics capture. Best - Michael

Google Analytics is the best free tool out there for this. Make sure that you are focusing your report on conversions - how many/what percentage of website visitors are taking action (filling out a form, buying a product, etc.). If you're interested in paying for help, you should check out Moz or HubSpot, but Google Analytics is your best free option for web reporting. They also provide some social reporting - which social networks are driving traffic to the site and which network referrals are leading to the most conversions. Good luck!

Yes, it will track. They're pretty good at parsing partial data. The more you provide, the better you can slice the data later but anything pretty much goes in.

It's isn't just you. Adobe reported that "over $21.8 billion in global ad revenues have been blocked/lost so far in 2015." largely thanks to mass adoption with the AdBlocking software :) 21 million users in 2009, to 198 million active global users as of June 2014-likely overtaking the other comps entirely.

Make sure you've setup advanced analytics. You'll get a better picture of which conversions were direct, and which ones were assisted by another channel. Use tags and make sure your urls include all the detailed parameters - note that savvy users might truncate that link, so use a link shortener (like bit.ly) to mask it.