1. Search engine optimization (SEO): optimizing website content and structure to improve organic search engine rankings and visibility.

2. Pay-per-click (PPC) advertising: using platforms like Google AdWords to place ads and pay for clicks on those ads.

3. Social media marketing: using social media platforms to promote products or services and engage with customers.

4. Email marketing: sending promotional or informational emails to a list of subscribers.

5. Content marketing: creating and distributing valuable, relevant, and consistent content to attract and retain a clearly defined audience, ultimately leading to profitable customer action.

6. Influencer marketing: partnering with individuals or organizations that have a large following on social media or other platforms to promote products or services.

7. Affiliate marketing: earning a commission by promoting other people's or companies' products.

8. Video marketing: using video to promote products or services, either on platforms like YouTube or through video ads on other websites.

9. Mobile marketing: targeting and reaching customers through mobile devices, such as smartphones and tablets.

10. Marketing automation: using software to automate marketing tasks, such as email campaigns and social media posts.

11. Local SEO: optimizing a website for local search results, such as by including the location and phone number on the website and encouraging customer reviews.

12. Voice search optimization: optimizing content for voice search queries, which are often more conversational and longer-tail than typed searches.

13. Online reputation management: monitoring and improving a company's online reputation, including responding to customer reviews and managing the spread of negative information.

14. Conversion rate optimization (CRO): optimizing a website to increase the percentage of visitors who take a desired action, such as making a purchase or filling out a form.

15. Web design and development: creating and maintaining a professional and functional website.