A. 1. Review the website content: Go through the website thoroughly and identify specific areas that are incomplete or contain errors. Make a list of these issues. 2. Use a website builder or editor: If you have access to the website's backend, use a website builder or editor to correct the errors and fill in the missing content. Ensure to save changes and preview the site before publishing.
B. 3. Utilize online validation tools: Use tools like W3C Validator to check for HTML/CSS errors. This can help identify specific issues that need fixing.