If you're looking for a CodingDrills alternative, SkillReactor is worth a look. It's a project-based learning site geared for software engineers looking to develop skills and a portfolio. It covers a variety of technologies and AI tools, including OpenAI and HTML, and offers just-in-time learning materials and industry-level feedback through code reviews.
Another top contender is Codeium, an AI-powered coding assistant that works with more than 70 programming languages. It can help with advanced code completion, search and AI chat for generating boilerplate code, refactoring code and suggesting bug fixes. It's designed to help you work more efficiently and can be used by individuals or teams, with different pricing levels depending on your needs.
If you want to try interactive code review and optimization, AI Code Mentor is worth a look. It can simplify complex code, refactor code for better readability and provide explanations to help developers understand what's going on. It supports JavaScript, HTML/CSS and Python programming languages, and offers tiered pricing plans for different customers.