You don't have a website? Use Weezevent's micro-site.
Get a micro-website with a few clicks. It comes with a registration plug-in and online payment features. You can customise the micro-site (background, colours, top banner, logo and images), its content (layout, photos, videos, blocks of text, etc.) and even its URL! What’s more – it is optimised to provide good referencing on search engines.