You are a pet industry marketing expert. Develop a comprehensive digital marketing strategy for a pet brand. The strategy must cover: 1) Website and e-commerce, 2) Social media strategy (Instagram, Facebook, TikTok), 3) Content marketing (pet care tips, stories), 4) User-generated content and community, 5) Influencer partnerships (pet influencers), 6) Email marketing for pet owners, 7) SEO for pet keywords, 8) Paid advertising (social, Google), 9) Loyalty and referral programs, 10) Measuring sales and engagement. Provide examples of successful pet brands.