CodePen: Online Code Editor and Front End Web Developer Community
An online code editor, learning environment, and community for front-end web development using HTML, CSS and JavaScript code snippets, projects, and web applications.
CodePen is an online community for testing and showcasing user-created HTML, CSS, and JavaScript code snippets. It functions as an online code editor and open-source learning environment, where developers can create code snippets, called 'pens', and test them. It was founded in 2012 by Chris Coyier, Alex Vazquez, and Tim Sabat and is one of the largest communities for web designers and developers to showcase their coding skills.
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3.5 page per visit
40%
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Domain Rating
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Domain Authority
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Citation Level
2012
English, etc
Key Features of the Site
Live View
See the result of your code in real-time as you type.
Collaboration
Work together with others on the same code in real-time.
Preprocessors
Support for HTML, CSS, and JavaScript preprocessors including SCSS, LESS, and Babel.
Asset Hosting
Easily include external libraries and assets in your projects.
Code Templates
Start your projects with pre-made templates for various frameworks and libraries.
Community
A large community of developers to share, learn, and get inspired from.
Embeddable Pens
Easily embed your code snippets on blogs, websites, and forums.
Private Pens
Keep your work private and share only with those you choose.
Profile Customization
Customize your profile to showcase your skills and projects.
Challenges
Participate in coding challenges to test your skills and learn new techniques.
Similar Sites and Competitors to codepen.io
Additional information
Ownership
CodePen is owned by CodePen LLC.
Headquarters
Based in the United States.
Community Size
Millions of developers and designers worldwide.
Subscription Plans
Offers free and premium subscription plans with additional features.
API
Provides an API for developers to integrate CodePen functionality into their own applications.
Education
Used by educators and students as a learning tool for web development.
Sponsorships
Supports the community through sponsorships and partnerships with tech companies.
HTTP headers
Security headers report is a very important part of user data protection. Learn more about http headers for codepen.io