white hat SEO
The use of accepted SEO practices in order to get higher rankings, more traffic, etc. (as opposed to black hat SEO).

whois
The owner on record for a particular domain. Some domain registrars allow you to hide the ownership data of your site.

wiki
Software which allows information to be published using collaborative editing. The term ’wiki’ comes from the Hawaiian phrase ’wiki wiki’ which means ’super fast.’

WYSIWYG
What You See Is What You Get: An editor that allows you to format text and insert images for your website content.