A website annotation tool lets you click on any element of a live website and leave a comment, note, or pin right on it. Instead of taking screenshots and circling things in red, you (and your clients or team) can mark up the actual page. The main options are proxy-based tools like WebsiteFeedback.ca (no install needed — just paste a URL), browser extensions like Markup.io, and JavaScript snippet tools like BugHerd. If you want the simplest setup with zero friction, a proxy-based tool is your best bet.
What Is a Website Annotation Tool?
It's basically a way to leave sticky notes on a website. You click somewhere on the page, type your note, and it stays attached to that spot. Other people can see it, respond to it, and you can mark it as resolved when it's fixed.
Think of it like Google Docs comments, but for a website instead of a document.
Why People Use Them
The short version: because describing visual problems in words is terrible. Here's what usually happens without an annotation tool:
- Someone takes a screenshot
- They circle something in red using their phone's photo editor
- They email it with "this looks wrong"
- The developer asks "which page is this? what browser? what screen size?"
- Three days later, you're still going back and forth
An annotation tool skips all of that. You point at the thing, say what's wrong, and move on.
The Three Types of Website Annotation Tools
1. Proxy-Based Tools (Easiest Setup)
These work by loading your website through a proxy that adds a comment layer on top. You paste a URL, get a review link, and share it. Nobody needs to install anything.
WebsiteFeedback.ca works this way. You paste any public URL, and it loads the site with a pin-comment overlay. Your clients just click and type. That's it.
Best for: freelancers, agencies sending review links to clients, quick one-off reviews.
2. Browser Extension Tools
These add a toolbar to your browser that lets you annotate pages. The advantage is that they can work on password-protected or staging sites since you're browsing directly. The downside is that everyone who wants to leave feedback needs to install the extension.
Markup.io uses this approach for its live site annotations.
Best for: internal teams where everyone can install the same extension.
3. JavaScript Snippet Tools
These require you to add a small piece of code to your website. Once it's there, a feedback widget appears on the page. The advantage is that it can work on staging environments and behind logins. The downside is you need developer access to add the code.
BugHerd works this way.
Best for: development teams who own the codebase and want always-on feedback collection.
How to Choose the Right One
Ask yourself one question: who needs to leave feedback?
- Clients who aren't technical? Use a proxy-based tool. Zero setup on their end.
- Your internal team? A browser extension or JS snippet works fine since everyone can set it up once.
- A mix of both? Go with a proxy-based tool for client reviews and an internal tool for your team.
Getting Started in 30 Seconds
Skip the setup. Paste any URL below and you'll be annotating a live website in about 10 seconds.
Annotate any website — no install needed
Paste a URL, click anywhere on the page, and leave your first comment.
