Preserve headers/logos underneath 125 pixels high. It takes up beneficial viewing space, primarily for laptop users, that is ideal left for the good stuff to appear"above the fold" Take a cue from the massive businesses, straightforward logos completed nicely say it all. This is our #1 pet peeve - screaming logos and headers!
Allow me to shoot a few scare tactics your way since scare tactics seem to be what drives some people to take rename your login url to secure your wordpress website a bit more seriously, or at the very least start considering the issue.
Should your site's server go down, everything you have worked for will go with this. You'll make no sales, get signups or no visitors to your site, until you get the site back up 32, and in short, you're out of business.
Keep your WordPress Installation up to date - One of the easiest and most valuable tasks you can my explanation do yourself is to make sure your WordPress installation is updated. WordPress provides a notice in your dashboard to you, so there is really no reason to not do this.
Can you view that folder what if you go to WP-Content/plugins? If so, upload that blank Index.html file inside that folder as well so people can not see what plugins you have. Someone can use this to get access because even if your current version of WordPress is current, if you're using a plugin or an old plugin with a security hole.
Software: If you've official statement installed scripts that are free search Google for'wordpress security'. You'll get tips on how best to create your WP blog secure.