Steps to remove  Remove ?m=1 From Blogger Link 


Step-1: Go to Blogger dashboard and select the theme option


Step-2: Now click on the “Edit HTML” option from the drop-down menu.


Step-3: Now you have to add the below script just below the <head> tag.


<script type="text/javascript">
//<![CDATA[
var uri = window.location.toString();
if (uri.indexOf("%3D","%3D") > 0) {
var clean_uri = uri.substring(0, uri.indexOf("%3D"));
window.history.replaceState({}, document.title, clean_uri);
}
var uri = window.location.toString();
if (uri.indexOf("%3D%3D","%3D%3D") > 0) {
var clean_uri = uri.substring(0, uri.indexOf("%3D%3D"));
window.history.replaceState({}, document.title, clean_uri);
}
var uri = window.location.toString();
if (uri.indexOf("&m=1","&m=1") > 0) {
var clean_uri = uri.substring(0, uri.indexOf("&m=1"));
window.history.replaceState({}, document.title, clean_uri);
}
var uri = window.location.toString();
if (uri.indexOf("?m=1","?m=1") > 0) {
var clean_uri = uri.substring(0, uri.indexOf("?m=1"));
window.history.replaceState({}, document.title, clean_uri);
}
//]]>
</script>