Headspace.com is a legitimate website and app known for its guided meditations and mindfulness exercises. It offers a variety of content, including meditation videos, breathing exercises, and podcasts. The app is user-friendly and suitable for both beginners and advanced users. It has received positive reviews for its aesthetically pleasing design and scientifically backed benefits. However, some users have reported technical difficulties and customer service issues. Overall, Headspace is a reputable platform for those interested in meditation and mindfulness.