Hitesh Shetty's Blog https://hiteshshetty.com/blogs Articles on web development, performance, and software engineering by Hitesh Shetty. en-us Thu, 25 Jun 2026 00:00:00 GMT The Waiting Tax on Every PR: How Sharding Vitest Cut CI From 15 Minutes to 4.5 https://hiteshshetty.com/blogs/test-sharding-cut-our-ci-wait-from-15-minutes-to-4 https://hiteshshetty.com/blogs/test-sharding-cut-our-ci-wait-from-15-minutes-to-4 Every pull request sat for about 15 minutes behind one long unit-test job, and the team felt it. Splitting Vitest across parallel shards in GitHub Actions cut that to roughly 4 minutes, and it only took changing four files. Thu, 25 Jun 2026 00:00:00 GMT hitesh.shetty2011@gmail.com (Hitesh Shetty) CI/CD GitHub Actions Vitest Testing Developer Experience My Site's SEO Score Was 82. Here's How I Got it to 100 https://hiteshshetty.com/blogs/how-i-improved-seo-score-from-82-to-100 https://hiteshshetty.com/blogs/how-i-improved-seo-score-from-82-to-100 My portfolio's Lighthouse SEO score was stuck at 82. See the exact steps I took with meta tags, sitemaps, open graph, and structured data to get a perfect 100 score. Sun, 26 Oct 2025 00:00:00 GMT hitesh.shetty2011@gmail.com (Hitesh Shetty) SEO Lighthouse Guides & Tutorials Open Graph & Twitter Cards Next.js Deploying a Next.js Static Site on GitHub Pages with a Custom Domain https://hiteshshetty.com/blogs/deploying-a-next-js-static-site-on-github-pages-with-a-custom-domain https://hiteshshetty.com/blogs/deploying-a-next-js-static-site-on-github-pages-with-a-custom-domain A step‑by‑step guide to hosting a Next.js site on GitHub Pages with a custom domain Sun, 19 Oct 2025 00:00:00 GMT hitesh.shetty2011@gmail.com (Hitesh Shetty) Next.js GitHub Pages Custom Domain Guides & Tutorials The Transaction That Never Ended: How Duplicate IDs Turned My Backend Into a CPU-Hungry Monster https://hiteshshetty.com/blogs/the-transaction-that-never-ended-how-duplicate-ids-turned-my-backend-into-a-cpu-hungry-monster https://hiteshshetty.com/blogs/the-transaction-that-never-ended-how-duplicate-ids-turned-my-backend-into-a-cpu-hungry-monster It was 3 PM, and my server was screaming. CPU usage at 99%, database connections maxed out, and my load testing had just turned into a load shedding nightmare. All because of a transaction that refused to give up… Sun, 21 Sep 2025 00:00:00 GMT hitesh.shetty2011@gmail.com (Hitesh Shetty) Mongodb Performance Load Testing Observability How Two-Factor Authentication (2FA) Works: A Deep Dive into Enhanced Security https://hiteshshetty.com/blogs/how-two-factor-authentication-works-deep-dive https://hiteshshetty.com/blogs/how-two-factor-authentication-works-deep-dive In this blog post, we'll delve into what 2FA is, why it's essential, and how it functions, using practical examples to guide you through the process. Sun, 25 Aug 2024 00:00:00 GMT hitesh.shetty2011@gmail.com (Hitesh Shetty) 2fa Authentication Security TOTP