Here are 10 key components that should be included in an effective online marketing plan:

1. Define your target audience: Determine who your ideal customers are and what their interests, needs, and pain points are.

2. Set measurable goals: Establish specific, achievable objectives for your online marketing efforts, such as increasing website traffic or improving conversion rates.

3. Conduct market research: Understand your competition, industry trends, and customer behavior to identify opportunities for growth.

4. Develop a content marketing strategy: Create valuable, relevant content that resonates with your target audience and helps to establish your brand as an industry leader.

5. Optimize your website: Ensure that your website is easy to navigate, mobile-friendly, and optimized for search engines to improve your online visibility.

6. Use search engine optimization (SEO): Optimize your website's content, structure, and keywords to improve your search engine rankings and attract more organic traffic.

7. Use pay-per-click (PPC) advertising: Invest in targeted ads that appear at the top of search engine results pages or on social media platforms to reach new audiences and drive conversions.

8. Use social media marketing: Use social media platforms to engage with your target audience, build relationships, and promote your brand.

9. Use email marketing: Develop targeted email campaigns to nurture leads, promote your brand, and drive conversions.

10. Measure and analyze your results: Use analytics tools to track your online marketing performance and make data-driven decisions to improve your results over time.