Like a brand, a partner-quality stream will have consistent and easily found information across all platforms. A well written profile will describe what kind of caster you are, and how the viewers can help you achieve the sort of atmosphere you’re going for. It’s important to link to your social media from Mixer, and to Mixer from your social media. And while it's definitely not required, you might consider using a chat bot to make it easier for viewers to see your information on a regular basis.
For more information, see: How do I Become a Partner?