1. Compelling Subject Line: Make sure your subject line captures attention immediately. Phrases like "Limited Spots Available" or "Exclusive Access" can pique interest. 2. Clear Value Proposition: Clearly state the benefits of registering. Highlight what the recipient will gain by taking action today. 3. Strong Visuals: Use engaging images or videos to make your email visually appealing and to reinforce your message. 4. Simple and Direct Language: Keep the language straightforward. Avoid jargon and be clear about what you want the recipient to do. 5. Prominent CTA Button: Make sure your "register today" button is easily visible and clickable. Use contrasting colors to make it stand out.