About StumbleU

Rediscovering the internet as a place of accidental discovery.

The internet is vast, strange, and full of things worth knowing — but search engines give you what you asked for, and recommendation algorithms give you more of what kept you engaged last week. StumbleU does something different: it surfaces interesting, non-obvious pages from a hand-curated corpus and delivers one to you at random.

What it is

A browser extension. You click Stumble, and you land somewhere worth your time — an interactive science explainer, a historical deep-dive, a generative art toy, a map you didn't know existed. Every page in the corpus has been evaluated for quality and genuine interest. No clickbait, no paywalls, no company homepages.

Think

Every stumble comes with an optional AI analysis you can trigger on demand. Think reads the page you're on and gives you a quick take, the deeper questions it raises, and adjacent ideas worth exploring. It works on any page — not just the ones you stumbled to.

On This Day

Your first stumble of each day is connected to today's date in history — a Wikipedia event, an astronomy picture, or a historical moment that happened on this exact date. Every day starts with something anchored in time.

How the corpus works

The corpus is built and maintained by an automated ingestion system that follows curated sources, scores pages for quality, and tags them into categories. It grows over time, and pages are re-ranked based on how users engage with them. You can suggest pages from the extension if you find something worth adding.

Who built it

StumbleU is an independent project, currently in beta. It started from a simple question: what happened to the internet being a place of accidental discovery?

Questions or feedback? Get in touch.