This digital marketing portfolio outlines key performance indicators (KPIs) for various websites and marketing campaigns. For discount-london.com, marketing costs decreased 35% while net profit increased 71% due to a responsive redesign. Hospitalitylinechristmas.co.uk saw a 49% increase in unique users and 331% increase in product inquiries after becoming responsive. E-marketing campaigns had high open rates up to 25% and retargeting campaigns converted at 7%. Social media engagement was highest on Instagram while Facebook competitions drove brand reach. Landing page optimizations increased conversion rates from 2.49% to over 4%.