Long-form technical writing about how the web actually works, with the demos running on the page instead of described in prose.https://gcweb.pages.deven-us© 2026 Gaurav Chavhanhttps://gcweb.pages.dev/blog/jwt-authenticationhttps://gcweb.pages.dev/blog/jwt-authenticationSession tokens need a database lookup on every request. JWTs avoid it—but trading one cost for another. How to choose between them.Sat, 22 Aug 2026 00:00:00 GMTauthjwtcookieshttps://gcweb.pages.dev/blog/measuring-color-contrasthttps://gcweb.pages.dev/blog/measuring-color-contrast#767676 on white passes at 4.54:1 and #777777 fails at 4.47:1. Contrast as a number instead of a judgment, and the criterion covering borders and focus rings.Sun, 16 Aug 2026 00:00:00 GMTcsstutorialhttps://gcweb.pages.dev/blog/retrofitting-accessibilityhttps://gcweb.pages.dev/blog/retrofitting-accessibilityWAVE, axe, NVDA, VoiceOver, 400% zoom and a codebase scanner, run against an app that already thought it was accessible. What each one caught.Sun, 16 Aug 2026 00:00:00 GMThtmlkeyboardariahttps://gcweb.pages.dev/blog/div-instead-of-buttonhttps://gcweb.pages.dev/blog/div-instead-of-buttonA clickable div and a real button look identical. Here is every behavior the browser stops handing you, and what it costs to write back.Mon, 03 Aug 2026 00:00:00 GMThtmlkeyboardaria