HTML
Advantages:
1. Flexibility: Complete control over every aspect of your website’s design and functionality. You’re not limited by any templates or themes.
2. Lightweight: HTML websites tend to load faster because they don’t rely on heavy CMS structures.
3. Customization: You can create highly customized websites with unique features and designs without being restricted by the capabilities of a CMS.
4. Learning Opportunity: Building a site from scratch using HTML (and often CSS and JavaScript) provides a deep understanding of web development.

Disadvantages:
1. Time-Consuming: Building a site from scratch can be very time-intensive.
2. Complexity: Requires knowledge of HTML, CSS, JavaScript, and possibly other programming languages.
3. Maintenance: Updates, changes, and content additions need to be coded manually, which can be cumbersome.

WordPress
Advantages:
1. User-Friendly: Designed for people with little to no coding experience. The Divi visual builder makes it easy to create and update content.
2. Themes and Plugins: Thousands of themes and plugins are available, allowing you to easily add features and change the look of your site.
3. Community Support: Large community of developers and users who can offer help and advice.
4. Integrated SEO: Built-in tools and plugins for SEO, allowing additional traffic to be directed towards your site.

Disadvantages:
1. Less Control: Limited by the themes and plugins available. Customizations outside of these may require coding knowledge.
2. Performance: Can be slower than HTML sites due to the added complexity of the integrated CMS.
3. Security: More prone to security issues if not properly maintained or updated if using WordPress.org.

In summary, if you prefer complete control and customization, and have the technical knowledge, HTML might be the way to go. If you want an easier and faster way to build a website with lots of features and support, WordPress is a great choice.