To keep your referrals and testimonials fresh and effective, you need to manage them regularly. This includes periodically reviewing and updating them, organizing them strategically, and tracking and measuring the impact they have on your network and reputation. Every few months, you should remove any outdated or irrelevant referrals and testimonials, while adding new ones that reflect your current skills, services, and achievements. Categorizing them by niche, industry, service, or outcome will help you tailor them to your target audience. To track and measure the traffic, conversions, and satisfaction generated by your referrals and testimonials, you can use tools like Google Analytics, CRM software, or feedback forms.