CODE EXAMPLE FOR HTML

favicon text/html / Redirect uses bandwith

# REDIRECT FAVICON.ICO
<ifmodule mod_rewrite.c>
RewriteCond %{REQUEST_URI} !^/favicon.ico [NC]
RewriteCond %{REQUEST_URI} favicon.ico    [NC]
RewriteRule (.*) https://css-tricks.com/favicon.ico [R=301,L]
</ifmodule>