Bolt is powered by WebContainers, the first WebAssembly-based micro operating system which boots entire development environments in milliseconds, securely within your browser tab.
Legacy cloud-based IDEs run on remote servers andstream the results back to your browser. This approach yieldsfew security benefits and provides aworse experience than your local machine in nearly every way.
With StackBlitz, all compute occurs inside your browser, making use of decades of speed and security innovations.
 | Legacy Online IDEs | |
|---|---|---|
| Boot time | Milliseconds | Minutes |
| Zero network latency | ||
| Work offline | ||
| Easily debug broken containers | ||
| Reset broken containers | Page refresh | Not possible |