Adding gtag.js code

I’m trying to add the gtag.js code to my website in order to link my Google analytics account.

What is the easiest way to implement this code into the website template header using the colorlib shapely theme?

My website is if needed.

Thank you for your assistance,

Hi There,

Thanks for the mail.

You could try to install this plugin, Simple Custom CSS and JS – WordPress plugin |
And then add this code in the Plugin either in header or footer,

Let us know,