These 4 Websites Will Improve Your Web Development Efficiency

Jan 2 · 2 min read
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Photo by Jefferson Santos on Unsplash

I want to recommend four websites to improve the efficiency of web development. As a programmer with many years of web development experience, I know the importance of tools for efficiency. These four websites are all used very frequently.

Let’s start!


As the project becomes more and more complex, the number of variables and functions increases, It’s difficult to distinguish the naming rules of each programming language, CODELF is a tool to help you, you can install plugins in the editor, this tool supports VS Code, Atom, Sublime Text and Chrome.


According to the language type or platform type input by the user, the corresponding gitignore file is automatically generated.

For example, input Vue, React and click “Create”.

3. CodeSandbox

CodeSandbox is an online code editor that focuses on creating web application projects.

Support files: JavaScript, TypeScript, CSS, Less, Sass, Scss, HTML, PNG, etc.

Support automatic code prompt

4. RegExr

RegExr is an online tool based on HTML/JS to create, test and learn regular expressions.


  • Supports JavaScript & PHP/PCRE RegEx.
  • Results update in real-time as you type.
  • Roll over a match or expression for details.
  • Validate patterns with suites of Tests.
  • Save & share expressions with others.
  • Use Tools to explore your results.
  • Full RegEx Reference with help & examples.
  • Undo & Redo with cmd-Z / Y in editors.
  • Search for & rate Community Patterns.

Hope these 4 websites can help you!

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