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!
If you don't have good protection on your website, Documents can easily get lost. A few of those files may be stored on your computer and easily replaceable, but what about the rest of them? If you lose them the first time, where will you get them from again? Especially fix wordpress malware attack is very important. Many times sites have created a number of files and have a good deal of data. Recreating all that are a nightmare, and not something any business owner would like to do.
No software system is resistant to vulnerabilities and bugs. Security holes will be found and bad guys will do their best to exploit them. Keeping your software up-to-date is a good way to stave off attacks, once security holes are found because their products will be fixed by software vendors that are reliable.
Yes, you want to do regular backups of your website. I recommend at least a weekly database backup and browse around here a monthly "full" backup. More. Definitely more, if you make changes and additions to your site. If you make changes multiple times a day, or have a community of people that are in there all the time, a daily backup should be a minimum.
Now we're getting into matters. You have to rename it to config.php and modify the document config-sample.php, when you install WordPress. You need to deploy the database facts there.
These are a few. Fantastic thing is they don't require much time to perform. These are easy options, which can be carried out easily.