// HACKER NEWS — CYBERSECURITY

Improving site performance by shipping more CSS

Published: 09/26/2026, 01:10 PM

Josh Black is a Software Engineer based in Austin, Texas. He loves working on Design Systems, creating accessible experiences, and eating chilaquiles. Marie is an Atlanta-based Software Engineer on GitHub Primer. If she's not pushing pixels, she's probably pushing a carry-on into an overhead bin somewhere over the Atlantic. If you can write down how you do your work, you can automate it. Here’s what I did to support GitHub’s APAC marketing team. We built a plugin for the GitHub Accessibility Scanner to make sure your alt text is actually accessible. Here’s how it works. How we rebuilt the diff surface in the GitHub Copilot app to open a million-line pull request with hundreds of inline review comments. Why shorter outputs can cost more, and how GitHub Copilot reduces wasted work across the complete coding task. We built a plugin for the GitHub Accessibility Scanner to make sure your alt text is actually accessible. Here’s how it works.