问题
What's difference values(1,2,3) of google_conversion_format?
回答1:
google_conversion_format: tells Google whether you want to display their little bug on your thank you page and how it will appear.
回答2:
1: shows a 1-line notification to visitors
2: shows a 2-line notification to visitors
3: no notification to visitors
The notification is
Google Site Stats
_learn more_
There are also parameters for color and language.
Google recommends 1 or 2 for this reason:
Add Google Site Stats to earn your customers' trust and help them to make informed decisions.
What it means: A small message will appear on your site telling customers that their visits on your site are being tracked. We recommend you use it.
Why it matters: Honesty lets customers make informed decisions about their visits, and it reflects positively on your business.
What to do: Add your own message or privacy policy to your website or select the "Google Site Stats" option to have a message added automatically.
来源：https://stackoverflow.com/questions/13162495/whats-difference-values1-2-3-of-google-conversion-format