The blog bits.

Posts on Performance

1. 

   Aug 12, 2026 ThoughtsTutorial

   Off the Main Thread, Part 2: Comlink, OffscreenCanvas & The Fat Pipe

   Part 1 moved one task off the main thread with raw postMessage. Part 2 is the architecture: ergonomic workers, off-thread rendering, and a streaming data pipe that never touches the frame.

   

   Kevin Dench

   Sr. Software Engineer

2. 

   Aug 12, 2026 ThoughtsTutorial

   Off the Main Thread, Part 1: The First Worker Win

   The main thread runs your JS, your layout, your paint, and every click—all on one thread. The highest-leverage performance move most apps never make is getting heavy work off it.

   

   Kevin Dench

   Sr. Software Engineer