In Blogger's configuration you can choose what to show in the footer of your posts, but there are only global footer options for all views of your posts - view of one post, view of all posts list or archive. To hide blogger's post footer in all posts view and in archive view, use this JavaScript custom code. It is fast and super lightweight:
No matter what you need - add your custom adsense or analytics code or make some new feature, if you need to add your custom HTML/JavaScript code it is easy to do without changing your blog's theme. Follow these steps:
