Rana Sarkar

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@ranasarkar·SDE2 · S&P Global·S&P Global

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SDE2 at S&P Global, experienced in Java, Spring Boot, Node.js, SQL, NoSQL, React, and AWS development.

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1 Published Essay

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Published by Rana Sarkar

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Frontend3 min read

Virtual DOM Internals and React's Internal Flow

After I began working with React, I discovered that it is significantly faster than traditional HTML, CSS, and JavaScript-based web pages. I was curious about how React achieves this speed. It's fascinating how Facebook (now Meta) developed such an architecture to address issues like ghost notification updates and slow page loading.

Rana Sarkar

SDE2 · S&P Global·May 9, 2026