Optimal Workshop is a user research platform with a suite of usability tools to improve website navigation, define information architecture, understand first-clicks and capture qualitative research.
Research activities include tree testing, first-click testing, card sorting, surveys, and qualitative research. In-built participant recruitment brings access to 10 million participants and over 70 languages. Analysis and collaboration features are also built into the tools.
Free plan has limited functionality; monthly oricing for full suite is US$199 per month