February 2026
Create an account to continue using Similarweb
View website metrics, keywords, top marketing channels, market research tools, and more.
Create your free accountcodepen.io
Global Rank
#9,168
1,390Showing Similarweb estimated data.
Publicly validate your site’s metrics by connecting your GA4
Reflect your success
Verify your website's traffic and engagement metrics by connecting to Google Analytics
Bounce Rate
46.97%
Pages per Visit
5.75
Avg Visit Duration
00:03:42
- Company
- - -
- Industry
- - -
Top 10 codepen.io Competitors
The Top 10 Sites Like codepen.io in February 2026 are ranked by their affinity to codepen.io in terms of keyword traffic, audience targeting, and market overlap
Curated list of quality monospace fonts for coders.
Global Rank
#60,856
8,239Bounce Rate
60.59%
Pages per Visit
2.48
Avg Visit Duration
00:02:52
Similarity Score
100%Answers to frequently asked questions.
- Company
- - -
- Industry
- - -
Global Rank
#9,542
117Bounce Rate
23.57%
Pages per Visit
24.72
Avg Visit Duration
00:06:44
Similarity Score
96%Replit is an AI-driven software creation platform where everyone can build, share, and ship apps and websites, fast.
- Company
- Replit
- Industry
- AI Chatbots and Tools
Global Rank
#3,666
397Bounce Rate
40.39%
Pages per Visit
5.69
Avg Visit Duration
00:06:26
Similarity Score
92%PlayCode Privacy Policy - Learn how we collect, use, and protect your personal information when you use our online JavaScript playground.
- Company
- - -
- Industry
- - -
Global Rank
#75,267
5,240Bounce Rate
41.81%
Pages per Visit
2.71
Avg Visit Duration
00:01:42
Similarity Score
90%Terms of Services | CodeChef
- Company
- - -
- Industry
- - -
Global Rank
#21,796
1,561Bounce Rate
38.81%
Pages per Visit
6.12
Avg Visit Duration
00:06:38
Similarity Score
85%You’d think that publishing a VS Code extension is an easy process, but it’s not. You have to publish your theme in at least two places.
Global Rank
#76,048
520Bounce Rate
64.98%
Pages per Visit
1.66
Avg Visit Duration
00:00:58
Similarity Score
83%In this carefully curated compilation, we have gathered a wide range of code snippets that demonstrate the versatility and power of the Bootstrap framework.
- Company
- - -
- Industry
- - -
Global Rank
#123,014
7,682Bounce Rate
47.99%
Pages per Visit
2.76
Avg Visit Duration
00:01:26
Similarity Score
80%Generate web designs instantly with Liveweave's AI coding assistant. The ultimate real-time editor for HTML, CSS, and JavaScript.
- Company
- - -
- Industry
- - -
Global Rank
#313,370
33,701Bounce Rate
47.84%
Pages per Visit
1.70
Avg Visit Duration
00:00:48
Similarity Score
78%The MDN Web Docs site provides information about Open Web technologies including HTML, CSS, and APIs for both Web sites and progressive web apps.
- Company
- - -
- Industry
- - -
Global Rank
- -
Country Rank
- -
Category Rank
- -
Bounce Rate
68.12%
Pages per Visit
1.98
Avg Visit Duration
00:02:38
Similarity Score
75%W3Schools has created an animated HTML Tutorial like you have never seen before! The video contains 23 chapters, covering the basics of how to create a web page using HTML. The animated teacher will guide you through the subjects in a fun new format!
- Company
- - -
- Industry
- - -
Global Rank
#1,710
146Bounce Rate
44.35%
Pages per Visit
5.60
Avg Visit Duration
00:06:23
Similarity Score
73%codepen.io's top 5 competitors in February 2026 are: jsfiddle.net, codesandbox.io, replit.com, playcode.io, and more.
According to Similarweb data of monthly visits, codepen.io’s top competitor in February 2026 is jsfiddle.net. codepen.io 2nd most similar site is codesandbox.io, and closing off the top 3 is replit.com.
playcode.io ranks as the 4th most similar website to codepen.io and codechef.com ranks fifth in February 2026.
The other five competitors in the top 10 list are css-tricks.com, freefrontend.com, liveweave.com, developer.mozilla.org, and w3schools.com.