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Umar Hansa
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@umaar

Umar Hansa

@umaar
• I tweet developer tips and tricks • Made ModernDevtools.com • Developer tips umaar.com/dev-tips/
London
umaar.com
Joined November 2008
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  • @umaar
    Umar Hansa
    @umaar
    Mar 6, 2025
    📢 The Chrome DevTools flame chart has just become *much* easier to use. I wrote about these new features (for DebugBear), and other new DevTools features you probably didn't know about.
    Our Favorite DevTools Features of 2025 | DebugBear
    From debugbear.com
    1
  • @umaar
    Umar Hansa
    @umaar
    Feb 24, 2025
    Claude 3.7 drawing pelicans with SVG Noticeable improvements with each new model > Generate an SVG of a pelican riding a bicycle. Make it look like the pelican is riding the bike with an animation. Also make the bike do a wheelie every few seconds x.com/simonw/status/…
    GIF
    Claude 3.5 Sonnet (2024-06-20) - it's clearly a bicycle but the pelican has a pretty small beak
    Claude 3.5 Sonnet (2024-10-22)

The pelican here has a better sized beak and is also colored an off-white
    @simonw
    Simon Willison
    @simonw
    Oct 25, 2024
    Playing with a new LLM benchmark: how good are they at drawing an SVG of a pelican on a bicycle? Here's the difference between Claude 3.5 Sonnet new and Claude 3.5 Sonnet previous
    1
  • @umaar
    Umar Hansa
    @umaar
    Nov 14, 2024
    🆕 Made a quick video that teaches you how to add in View Transitions on your website via @ChromeDevTools, so you can prototype it locally Takes less than a minute! ⬇️ youtube.com/watch?v=L-TZPD…
    1
  • @umaar
    Umar Hansa
    @umaar
    Oct 11, 2024
    🆕 Enabling SSR in your JavaScript framework can make your web performance worse I discuss JavaScript hydration, amongst other topics, in this new blog post In case you're wondering, no, the solution is not to ditch SSR
    The MDN logo
    developer.mozilla.org
    Fixing your website's JavaScript performance | MDN Blog
    Learn about lesser-known web performance bottlenecks connected to excessive JavaScript usage, like long tasks, large bundle sizes, and hydration issues.
  • @umaar
    Umar Hansa
    @umaar
    Oct 2, 2024
    I've been using Ruby on Rails recently, everything's server-side by default, minimal JS. Got me thinking about the govuk guidance: > If you use a JavaScript framework you should be able to justify with evidence, how using JavaScript would benefit users gov.uk/service-manual…
    Useful information from gov.uk on factors to consider when using a JavaScript framework