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!
You can buy security plugins to your WordPress blog. There are many security plugins out there that guarantees security for your own blog. One is called fix wordpress malware fix Scan. The system is continuously scanned by this plugin . That new hackers can't penetrate the system, Additionally, it updates the security.
The one I recommend, and the approach, is to use one of the password creation and YOURURL.com storage plugins available on your browser. I think after a trial period, you need to pay for it, although Lots of people like RoboForm. I use the free version of Lastpass, and I recommend it for those of you who use Internet Explorer or Firefox. That will generate passwords for you.
I don't think there is a person out there that after learning just how much of a problem WordPress hacking is that it is a fantastic idea to enhance the security of their blogs. However, something I've noticed over the years is that when it comes to securing their sites, bloggers seem to be stuck in this state.
Upgrade now, if you're not running the latest version of WordPress. Like keeping your door unlocked when you leave for vacation leaving your website on an old version is.
Of course you can set up plugins to make your shop like backup plugin or share buttons. That's all. Your shop is great post to read up and running!