CodePen

{{unreliable sources|date=July 2021}}

{{Short description|Webpage development and presentation tool}}{{Infobox website

| name = CodePen

| logo = CodePen_Logo.svg

| commercial = Yes

| type =

| registration = Optional

| language = English

| num_users = 339,000

| launch_date = {{start date and age|2012}}

| revenue =

| ip =

| current_status =

| footnotes =

| founder = {{unbulleted list|Alex Vazquez|Tim Sabat|Chris Coyier}}

| programming_language =

| employees =

| homepage = {{URL|https://codepen.io}}

}}

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 full-stack developers Alex Vazquez and Tim Sabat and front-end designer Chris Coyier.{{cite web|url=https://thattech.show/episodes/33-codepen-css-tricks-and-other-nerdery-with-chris-coyier|title=That Tech Show Podcast - EPISODE 33 - CODEPEN, CSS TRICKS AND OTHER NERDERY WITH CHRIS COYIER| date=2021-09-28}}CodePen [https://web.archive.org/web/20120325042104/http://codepen.io/about "About page"], Codepen.io, 17 March 2016.{{primary source inline|date=July 2021}} Its employees work remotely, rarely all meeting together in person. CodePen is a large community for web designers and developers to showcase their coding skills,{{Cite web|last=Silva|first=Patrícia|date=10 July 2020|title=What is CodePen, and how to use it?|url=https://www.imaginarycloud.com/blog/how-to-use-codepen-to-speed-up-your-front-end-development/|url-status=live|access-date=5 January 2022|website=imaginarycloud.com|archive-url=https://web.archive.org/web/20200812233058/https://www.imaginarycloud.com/blog/how-to-use-codepen-to-speed-up-your-front-end-development/ |archive-date=2020-08-12 }} with an estimated 330,000{{cite web|url=https://startupbend.com/articles/50startups-update-how-codepen-raised-1-million-in-five-minutes/|title=#50startups Update: How CodePen Raised $1 Million (in Five Minutes)|date=14 September 2015|author=Kelly Kearsley|work=Startupbend|access-date=17 March 2017|archive-date=11 July 2018|archive-url=https://web.archive.org/web/20180711095011/https://startupbend.com/articles/50startups-update-how-codepen-raised-1-million-in-five-minutes/|url-status=dead}}{{unreliable source?|date=July 2021}} registered users and 14.16 million monthly visitors.{{Cite web|url=https://www.similarweb.com/website/codepen.io#overview|title=codepen.io Traffic Statistics|website=SimilarWeb|language=en|access-date=2019-11-16}}{{unreliable source|date=July 2021}}