I want to add my website name in wordpress source code like this

[![RankMath Like it show in rankmath.com wordpress source code i want to add like this to in my website ][1]][1]

Hello guys can NYONE HELP ME ,
I WANT TO DD MY WEBSITE NAME IN Y WORDPRESS WEBSITE SOURCE CODE LIKE IN THIS SEO PLUGIN WEBSITE I SEARCH SO MUCH BUT DON’T FIND THE ANSWER PLEASE HELP ME
[1]: https://i.stack.imgur.com/1lnCX.png