Yes, email marketing can be effective even if you have low traffic on your website when you follow the best email marketing practices. Email marketing allows you to reach out to your subscribers and customers directly in their inboxes, regardless of how much traffic your website is receiving. By crafting targeted and relevant messages, you can engage with your audience and encourage them to take action, such as making a purchase or sharing your content with their own network. Additionally, email marketing can help you build your audience and drive more traffic to your website over time.