Set ga_ expiration date

That looks like the correct way to me, unless I am missing something. If you know the Google docs for what you are trying to do, I would be glad to take a look and double-check one way or another.

Found this page: https://www.optimizesmart.com/google-analytics-cookies-ultimate-guide/
Tried in seconds first. Then minutes.

But the scan keeps returning two years.

Yeah it may not be possible to set up then. Btw that is not the official Google docs, it’s just a tutorial on some site. Reading the actual Google docs would help in determining how to set it up, and/or if it’s even possible.

Here’s Google’s own: https://developers.google.com/analytics/devguides/collection/analyticsjs/cookie-usage

Are you using Gtag or Universal analytics?

Universal

I’m not sure where in the docs they explain how the resulting tracking code should look? An example or steps are needed but I can’t seem to find anything similar.

Perhaps this can help?

https://developers.google.com/analytics/devguides/collection/analyticsjs/field-reference#cookieExpires

Cookie Expiration
Optional. This may only be set in the create method.

Specifies the cookie expiration, in seconds.

Example usage:
ga(‘create’, ‘UA-XXXX-Y’, {‘cookieExpires’: 86400});

That really helps, thanks. So it *is* possible to output your example usage:

ga('create', 'UA-XXXX-Y', {'cookieExpires': 86400});

Setting it up does require adding two lines of code to your theme (or child theme) functions.php file (or can be added via simple plugin). Here are the steps:

1) Add the following code snippet:

function ga_google_analytics_enable_auto($enable_auto) { return false; }
add_filter('ga_google_analytics_enable_auto', 'ga_google_analytics_enable_auto');

2) Then add {'cookieExpires': 86400} to the GA setting, “Custom Tracker Objects”.

Save changes and done.

Tip: Make sure that any quotes (single or double) that you want to include are straight quotes and not curly quotes. If you look at your pasted example, the quotes are curly not straight, so the code will not work. Compare with the quotes in the above example.

Cool. I’ll let you know if it worked, when they rescan my site.
Thanks for awesome support!