23. Web design and development services

 Web design and development services involve creating and maintaining websites for businesses or individuals. The services may include designing the website layout and graphics, developing website functionality, and ensuring the website is optimized for search engines. Some of the required skills for offering web design and development services include:

1. HTML/CSS: Knowledge of HTML and CSS is essential for creating website structures and styles.

2. JavaScript: JavaScript is used for creating interactive elements on a website, such as drop-down menus, pop-up windows, and more.

3. Graphic Design: Graphic design skills are required for creating website layouts and graphics that are visually appealing and user-friendly.

4. Content Management Systems (CMS): Knowledge of CMS platforms like WordPress, Joomla, and Drupal is required for managing and updating websites.

5. Search Engine Optimization (SEO): SEO skills are required for optimizing websites for search engines, making it easier for users to find the website through search results.

6. User Experience (UX): UX skills are necessary for creating a user-friendly website that provides a seamless experience for visitors.

7. Project Management: Project management skills are required for managing multiple clients and projects, and ensuring projects are completed on time and within budget.

Examples of web design and development services include:

1. Upwork (upwork.com)
2. Fiverr (fiverr.com)
3. 99designs (99designs.com)
4. Toptal (toptal.com)
5. Hirable (hirable.com)
6. Dribbble (dribbble.com)
7. W3Schools (w3schools.com)
8. Codecademy (codecademy.com)
9. Skillcrush (skillcrush.com)
10. Treehouse (teamtreehouse.com)