codepen.io

CodePen

Who runs CodePen, what it tracks and what it costs, and the 20 closest online code editor alternatives.

Who’s behind it: Not stated
Online since: Unknown
Trackers: Couldn’t check
Prices: No pricing page
Last price change: –
Closest alternative: JSFiddle

Measured from CodePen’s own pages, the Internet Archive and public records. Hover a dotted value for its source and date.

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01 · Who’s behind it

Who runs CodePen

CodePen codepen.io

Wikidata: website for testing and showcasing HTML, CSS and JavaScript

Company: No imprint we could read
Online since: Not in the Internet Archive
Audience: In English

02 · Privacy

What CodePen tracks

We couldn’t read codepen.io’s homepage (bot protection page), so we can’t say what it loads.

03 · Alternatives

Alternatives to CodePen

Thumbs up if it’s a real alternative to CodePen, thumbs down if it isn’t.

No ad trackers Registered in the EU Free plan Only in English

1 of the 60 sites closest to CodePen matches.

We can’t read codepen.io’s homepage (bot protection page), so it’s compared on what Wikidata and Wikipedia say about it.

01
StrawPoll strawpoll.com English EU-registered No trackers

StrawPoll - Create a Poll in Seconds

StrawPoll offers a simple way to create instant, real-time polls and surveys for free.
Compare StrawPoll with CodePen →
Close

Closest first, by how much each site’s offer resembles CodePen’s. Trackers are counted the same way as above. Highlighted technologies are ones CodePen uses too. Votes and comments come from visitors and don’t change the order.

04 · History

What changed

Price and policy history →

No changes yet. Each new crawl is compared with the last one, and what CodePen adds, drops or rewrites shows up here.

05 · Details

How we measure

Alternatives are matched by what sites actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Trackers and the rest of the stack come from the homepage’s code and DNS records.

The full technology stack and search numbers · 4 technologies

Neighbours: k = 60
Sites searched: 9,216
Vector: 384-d
Query: 31 ms

Built with

CDN: Cloudflare header cf-ray: a5631b3a6a94873e-HAM
Email hosting: Google Workspace MX aspmx.l.google.com
DNS hosting: Cloudflare DNS NS kristin.ns.cloudflare.com
SaaS tools (verified in DNS): Google Search Console TXT google-site-verification=ee6yZSYLRMH7NdG8DSox4-fH0btH7GdMbMyY7zHenxY

What competitors use

Across the 20 closest sites.