No, it is not expected to place the Google Analytics Jewelry Retouching Service code on every page of your website. All you need to do is put a code between the start <head> and end </ head> tags of your website.
To keep track of your data accurately, we always recommend placing it as soon as the headtag opens.
Is Google Analytics a plugin?
Google Analytics is a free web and app analysis tool available to everyone. It's not provided as a WordPress plugin, but you can easily install Google Analytics on WordPress using plugins such as Analytify.
Can I set up Google Analytics for multiple websites with the same Google account?
Yes, you can set up Google Analytics for multiple websites by going to the Google Analytics administration section. You have the option to add a new account that will be your new site.