Search engine optimization (SEO) is a complex field that involves a variety of techniques and strategies to improve a website’s visibility and ranking on search engine results pages (SERPs). Here are 12 different types of SEO that businesses can use to improve their online presence:

1. On-page SEO: This involves optimizing a website’s structure and content to make it more search engine-friendly. This includes optimizing title tags, meta descriptions, headers, images, and internal links.

2. Off-page SEO: This involves optimizing a website’s external factors, such as backlinks, social media engagement, and other off-page factors that can influence a website’s ranking on SERPs.

3. Technical SEO: This involves optimizing a website’s technical aspects, such as website speed, mobile-friendliness, and website architecture.

4. Local SEO: This involves optimizing a website’s presence for local searches, such as “near me” searches. This includes optimizing Google My Business listings, local citations, and other local ranking factors.

5. E-commerce SEO: This involves optimizing a website’s product pages, descriptions, and other e-commerce related content to improve rankings and drive sales.

6. Video SEO: This involves optimizing a website’s video content to improve rankings on video platforms like YouTube.

7. Image SEO: This involves optimizing a website’s image content to improve visibility on search engines and image search platforms.

8. Voice SEO: This involves optimizing a website’s content to be more voice search-friendly, as voice searches continue to increase in popularity.

9. Content SEO: This involves creating high-quality, engaging, and informative content that attracts links and shares and helps to improve a website’s ranking.

10. Mobile SEO: This involves optimizing a website for mobile devices, including optimizing for mobile page speed, mobile usability, and mobile-first indexing.

11. International SEO: This involves optimizing a website for international audiences and for different languages and cultures.

12. Enterprise SEO: This involves optimizing a website for large enterprise-level organizations, including optimizing large-scale websites, managing multiple domains, and creating global SEO strategies.

In conclusion, these are just some of the different types of SEO that businesses can use to improve their online presence and attract more traffic and customers to their website. It’s important to work with experienced SEO professionals who can help you navigate the complexities of SEO and implement effective strategies that yield long-term results.