https://sanjivsutar.in/blog Writing on frontend architecture and engineering leadership by Sanjiv Sutar. en Wed, 07 Oct 2026 06:59:39 GMT https://sanjivsutar.in/blog/where-ai-agents-break-on-frontend-work https://sanjivsutar.in/blog/where-ai-agents-break-on-frontend-work Thu, 24 Sep 2026 20:00:55 GMT Agents are brilliant at frontend boilerplate and quietly bad at the parts users actually feel: design-system fidelity, accessibility, missing states and layout. Here's where they shine, where they break, and the guardrails I put around them. https://sanjivsutar.in/blog/importance-of-semantic-html https://sanjivsutar.in/blog/importance-of-semantic-html Thu, 18 Jan 2024 00:00:00 GMT Semantic HTML isn't just a 'nice to have' — it's the backbone of accessible, SEO-friendly, and maintainable web applications. Here's why div-soup is quietly hurting your projects, and how a handful of meaningful tags can fix it. https://sanjivsutar.in/blog/window-not-defined-error-nextjs-13 https://sanjivsutar.in/blog/window-not-defined-error-nextjs-13 Fri, 05 May 2023 00:00:00 GMT Getting "window is not defined" in your Next.js 13 app? Here's why it happens with server-side rendering and four reliable ways to fix it, with code examples. https://sanjivsutar.in/blog/create-a-video-player-with-react-player-which-supports-mp4-youtube-and-vimeo-videos-with-reactjs https://sanjivsutar.in/blog/create-a-video-player-with-react-player-which-supports-mp4-youtube-and-vimeo-videos-with-reactjs Thu, 27 Apr 2023 00:00:00 GMT Here’s an example of a video player in React that supports MP4, YouTube, and Vimeo videos. We’ll be using the react-player library to handle playing the videos, and we'll render different components based on the type of video we're playing.