Instantly measure website bloat — see what’s really slowing you down.

Modern websites average 68% waste: ads, trackers, and unnecessary JavaScript. Junkometer reveals the real content-to-bloat ratio on any page in seconds.

Avg Waste 68% Scripts 20-30+ Content ~32%

Get Started in 30 Seconds

Choose your format: Copy the bookmarklet URL or download the JavaScript file. Either way, you’ll be measuring web bloat in under a minute.

Get the Tool

Copy the bookmarklet URL or download the .js file. Both are free, open source, and work identically.

Install in Browser

Add as a bookmark (paste URL) or drag .js to bookmarks bar. Works in Chrome, Firefox, Safari, Edge.

Analyze Any Page

Click the bookmark on any website. Get instant results showing JavaScript, CSS/HTML, and content ratios.

🔒 Privacy First

Runs entirely in your browser — no data leaves the page you’re analyzing. No cookies, no analytics, no tracking.

100% client-side analysis
No external requests
Complete anonymity

⚡ Instant Results

Get detailed insights in seconds. See exactly how much of each page is real content versus bloat.

JavaScript vs. content ratio
File-by-file breakdown
Visual progress indicators

🌐 Universal Compatibility

Works on any website, in any modern browser. No installation required, just drag and drop.

Chrome, Firefox, Safari, Edge
Desktop and mobile browsers
Works on any domain

Our Mission: Make Web Waste Visible

Modern websites have become bloated with ads, trackers, and unnecessary JavaScript. The average webpage is now 68% waste — only 32% is actual content that users came to see.

Junkometer makes this invisible problem visible. When we can see the waste, we can start building a faster, more respectful web.

Goal: Faster Web Method: Transparency Result: Better UX

Open Source & Transparent

The complete Junkometer source code is below. Zero hidden functionality. Review every line before using.

Loading source code...