What are five free resources to learn digital marketing without expensive courses?

The five free resources include the Neil Patel Training Center, which offers comprehensive lessons on SEO, social media platforms, and email marketing with actionable worksheets and assignments. HubSpot Academy provides free certifications in digital marketing disciplines that can enhance your LinkedIn profile and job prospects. Backlinko delivers data-driven guides based on analysis of billions of articles, providing insights on evolving Google algorithms and effective content strategies. Search Engine Roundtable compiles major algorithm updates by analyzing patterns across websites, helping marketers adapt to Google's frequent changes. Finally, the Mailchimp Marketing Library covers all essential marketing aspects including email strategies, which remain highly effective with over 306 billion emails sent daily.