The latest articles on DEV Community by matteo Marinazzo (@matteo_marinazzo_f95488a1). https://dev.to/matteo_marinazzo_f95488a1 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3792389%2Fc8daf306-0724-484f-a959-33c4da61380c.png https://dev.to/matteo_marinazzo_f95488a1 en matteo Marinazzo Wed, 25 Feb 2026 18:26:57 +0000 https://dev.to/matteo_marinazzo_f95488a1/i-built-a-mini-games-platform-with-pure-javascript-no-framework-and-firebase-1pid https://dev.to/matteo_marinazzo_f95488a1/i-built-a-mini-games-platform-with-pure-javascript-no-framework-and-firebase-1pid <p>I challenged myself to build a browser-based mini games platform without using any heavy frameworks.</p> <p>The goal was simple:</p> <ul> <li>Instant play</li> <li>No downloads</li> <li>Clean architecture</li> <li>100/100 Lighthouse performance</li> </ul> <p>Here’s what I learned building it from scratch.</p> <p>Instead of relying on React or Vue, I structured the platform using modular vanilla JavaScript.</p> <p>Each game is dynamically loaded, keeping the main bundle lightweight and fast.</p> <p>Performance was a top priority.</p> <p>By minimizing render-blocking resources and keeping the DOM clean, the platform currently scores 92 in Performance, Best Practices and SEO on Lighthouse.</p> <p>One interesting challenge was balancing dynamic JavaScript rendering with SEO.</p> <p>While most of the interface is JS-driven, adding structured semantic HTML content helped search engines better understand the site.</p> <p>Actually I am creating a multiplayer game using Firebase RealTime database.</p> <p>The result is a lightweight browser-based mini games platform that runs instantly without installation.</p> <p>You can try it here:<br> <a href="https://mini-games.ch" rel="noopener noreferrer">https://mini-games.ch</a></p> <p>Feedback from fellow developers is welcome.</p> webdev javascript seo firebase