Cloud-based testing performance service Soasta has closed $12 million in a funding round led by The Entrepreneurs' Fund, with participation from prior investors including Canaan Partners, Formative Ventures, and Pelion Venture Partners. The financing brings the company’s total raised to $33 million. Soasta’s platform is used for testing the performance of Web and mobile applications on a large scale. It said it will use proceeds from its latest round to accelerate international expansion and make further investments in its cloud technology.