Two lots of Analytics - one not Universal

[Houses]

Hi,

We have been using two lots of GA code on our website - one was the old code and we added the new GA code under a different property too.

Now that the old code is redundant do I:

1. update the old code on property 1 to the Universal version and keep running the two properties (not sure this is the one I should do)

2. remove the old code from property 1 and don't replace it with Universal version (but what happens to historical data?)

3. remove the new code in property 2 and update the old code to the latest Universal version (but what happens to the historical data in property 2 or doesn't it matter?)

The current code on the site is:

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I've clearly got a bit confused so help would be appreciated.

Thanks

[Houses]

Thanks Peter

[Mobilio]

Upgrading from Classic GA to UA GA is one way, but you didn't loose counted historical data. You just can't go back.

[Houses]

Thanks.

I had added the second property code because at the time I think was the only way to get the Universal Analytics without losing historical data. I looked at https://blog.kissmetrics.com/universal-analytics/ which said:

"Setting up Universal Analytics
You need to set up a whole new property for Universal Analytics. This will send all of your site data to a new location. You won’t lose your old data. It will just get split up between two different properties. However, you will be starting over from scratch with your new “Universal” data."

I was leaning more towards the option you suggested so now feel more confident removing the second property code and I'll upgrade the first property code to Universal.

[Mobilio]

In mine experience there are very rare needs for two GA codes in same site. And also they can be headache over time - counting twice, buggy bounce rate, slow loading, etc. I've seen site with bounce as less than 1% in world...

So i will keep old GA code and will remove new one. I also can update old GA code to UA. Why? Old code store historical data and when you make analysis you need to go back in 2008/2009 for example. You can't make in GA analysis crossing assets (different tracking properties). Also you can't make in GA changing assets (i.e. export data from old asset and import it on new asset or move between them).

As i said before there is rare needs. But company can be sold partially, sites can be sold too. Also two teams need to make different analysis of sites.