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!
Through the use of a clean hacked wordpress site backup plugin, the best way to make sure your is in my view. This is a relatively inexpensive, easy and elegant to use way to make sure your website is available to you in case of a disaster.
Everything you have worked for will proceed with this should your website's server go down. You will make no sales, get no visitors or signups to your site, until you get the website and in short, you are out of business.
A snap to my site move - If, for some reason, you need to relocate your website, like a domain name change or a new web host, having your files at your fingertips can save you oodles of time, hassle, and the demand for tech help.
What if you go to WP-Content/plugins, can you view that folder? If so, upload that blank Index.html file into that folder as well so people can't see what plugins you have. Because even if your version of WordPress is current, if you are using a plugin or an old plugin using a security hole, then someone can use this to get access.
Don't use wp_. Most web hosting providers are currently removing that default now but if yours does not, adjust wp_ to anything but that.