To be successful as a freelance web developer, you should have strong technical skills in web development, including proficiency in programming languages such as HTML, CSS, JavaScript, and PHP. You should also have experience with web development tools and platforms, such as content management systems like WordPress or Drupal.
In addition to technical skills, you should also possess strong communication and project management skills, as you will be working with clients directly to understand their needs and requirements, and to deliver projects on time and within budget. A strong portfolio of past web development projects can help you demonstrate your skills and experience to potential clients and build a strong reputation as a freelance web developer.