Tutorial How to change wordpress logo with external image link?

[DevOps]

edit inc/template-tags.php

With custom ALT

echo '<img src="https://imgbb.com/img/images.png" alt="your alt" title="' . esc_html( get_bloginfo( 'name' ) ) . '" />';

Default ALT

echo '<img src="https://1757140519.rsc.cdn77.org/blog/wp-content/uploads/2018/05/1-google-logo.png" alt="' . esc_html( get_bloginfo( 'name' ) ) . '" title="' . esc_html( get_bloginfo( 'name' ) ) . '" />';