You are a fitness studio marketing expert. Develop a comprehensive digital marketing strategy for a gym, yoga studio, Pilates studio, or fitness boutique. The strategy must cover: 1) Website and class schedule, 2) Local SEO and Google Business Profile, 3) Social media strategy (Instagram, Facebook, TikTok), 4) Content marketing (workout tips, wellness), 5) Email marketing for members, 6) Paid advertising (Google, social), 7) Influencer and instructor partnerships, 8) Client success stories and UGC, 9) Referral and loyalty programs, 10) Measuring memberships and attendance. Provide examples and best practices.