Read about Million Lint 1.0-rc

Speed up your
website by 70

Identify and fix slow code–in minutes, not months.

Identify
Analyze
Fix
⚠️Poor INP(-ms)
function SearchInput({ messages }) {
  const [filter, setFilter] = useState("");
  return (
    <>
      <input value={filter} onChange={(e) => setFilter(e.target.value)} />
      {messages
        .filter((message) => message.includes(filter))
        .map((message, idx) => (
          <div key={idx}>{message}</div>
        ))}
    </>
  );
}
49
INP
78
FCP
89
LCP
UserList×2437(116ms)
ProductPanel×84(41ms)
Chat×90(26ms)
StockPanel×62(4ms)
Typography×10
Dialog×4
Button×12
Accordion×2
Switch×5
Tooltip×10

Trusted by companies that ship to 3M+ users

What's in Million?

Everything you need to optimize your React website.

Find slow code, fast

Quickly find the slowest components in your app.

Inline renders

View components, hooks, and more inside your IDE.

Lightweight

Best in class performance: <4kB gzipped and <1% of JS execution time.

Optimizing Compiler

Use the Million.js compiler to optimize DOM-heavy operations by up to 70%.

Replay

Investigate and reproduce performance issues.

Production observability

Collect production application data (errors, performance) and see it in your IDE.

24/7 support

Can't solve a problem? We're here to help.

Ready for a speed up?

Start building with a free account. Speak to an expert for your Enterprise needs.