Oskar Krawczyk

JSFiddle creator

@oskar 4,724 X followerskrawczyk.io First product launched 12y ago

Total monthly visits: 622.2K; Down19.2%MoMSep 2026JSFiddle accounts for 89%
Public revenue: Undisclosed; No public revenue across products
Products: 2; Since Jun 2014
Latest launch: 11y ago; Headway69K visits/mo

100% full-depth creator dossier open: complete product portfolio, 12-month combined traffic & MRR curves, shipping cadence, and timeline events.

Traffic

Portfolio · Last 12 months

Monthly visits

Products

Products and research metrics
Product	Tagline	Category	Visits · Sep	MoM	Launched	Revenue	Actions
JSFiddlejsfiddle.netJSFiddle - React, Tailwind, and code Playground	JSFiddle - React, Tailwind, and code Playground	Developer Utilities	553.2K	Down19.8%	2014-06	Undisclosed
Headwayheadwayapp.coEasiest way to keep your customers in the loop about your product.	Easiest way to keep your customers in the loop about your product.	Feedback & Roadmaps	69K	Down14.1%	2015-08	Undisclosed

Timeline

Launches, marketing, revenue milestones, and pricing/plan/positioning changes across products

Nov 1 · 14d ago
- JSFiddle Homepage headline (H1) changed to “JSFiddle - Test your React, Tailwind, JavaScript, CSS, HTML online with JSFiddle.”Positioning
  JSFiddle - Test your JavaScript, CSS, HTML or CoffeeScript online with JSFiddle.→JSFiddle - Test your React, Tailwind, JavaScript, CSS, HTML online with JSFiddle.
- JSFiddle Adopted technology: Apple iCloud MailFeatures
  —→Apple iCloud Mail
- JSFiddle Removed technology: Google WorkspaceFeatures
  Google Workspace→—
- JSFiddle Adopted technology: Open GraphFeatures
  —→Open Graph
- JSFiddle Adopted technology: SentryFeatures
  —→Sentry