If we are using a template by Blogger, then by default there is an Attribution gadget that says “Powered by Blogger” which appear in the blog's footer. Below are the steps to remove it.
1 1.
Login to your Blog Dashboard.
2 2.
Go to Template option, and click on the “Edit
HTML”.
<b:widget id='Attribution1' locked='true' title='' type='Attribution'>....</b:widget>
5. Now replace ‘true’ with ‘false’ as you can see in
below image..
<b:widget id='Attribution1' locked='false' title='' type='Attribution'>....</b:widget>
6. Once done click on ‘Save template’ and Go to
Blogger Dashboard >> Layout option, and click on Attribution gadget, and
now you can see the remove option. Click on remove, and save your settings.
Now "Powered by Blogger" attribution has been
removed.