Web Page Size Checker is a free Chrome extension designed for developers and SEO professionals to easily assess the size of any webpage. This tool provides an instant visual indicator of a page's total payload size right in your toolbar, allowing users to quickly determine if a webpage is optimized for performance. The extension's color-coded system helps in identifying whether a page is too heavy or well-optimized, making it user-friendly for anyone looking to enhance their web experience.

The extension features a detailed breakdown of resources, including HTML, CSS, JavaScript, images, and web fonts, presented in an easy-to-read chart. It also offers actionable SEO insights by analyzing page payload sizes and providing recommendations for improvement. Users can customize their experience by choosing between automatic calculations in the background or manual checks when needed, making Web Page Size Checker a versatile tool for managing webpage performance.