Getting started with Celero takes less then 5 minutes
Login to Celero by following this link: Celero microsites
Click to add a new microsite:
Once complete, you can click into it, preview the result and Make any adjustment to the look and feel.
Once you're done, click on Share and copy the link.
You can always update your Microsite later without the link changing. Just click on the current version above the preview window and add your new version. Your Microsite will automatically update.