Keep headers/logos under 125 pixels high. It takes up valuable viewing space, especially for laptop users, that is best left for the good stuff to appear"above the fold" Take a cue from the big companies, simple logos done well say it all. This is our #1 pet peeve - screaming logos and headers!
Since scare tactics seem to be what drives some people to take fix hacked wordpress site a bit more seriously, or at least start considering the problem, let me shoot a scare tactics your way.
I might find it a little harder to crack your password if you're one of the ones. But if you're one of those responsive ones, I might get you.
Keeping your WordPress site up-to-date is one of the simplest things you can do. For the past couple of versions, WordPress has included the ability to set up updates. A new update becomes available.
Another step to take to make WordPress more secure is to always upgrade WordPress. The main reason for this is that with every new update there also come fixes for older security holes which makes it essential to upgrade early.
The plugin should be updated play nice, to stay current with the latest WordPress release and have WordPress cloning and restore capabilities. The ability to clone your YOURURL.com website (along with regular copies ) can be useful if you ever want to do an offline home website redesign, among other things.