This paper compares React, Astro and Eleventy technologies by developing a web application for analyzing Loto 6/49 and Joker draws. The application includes displaying results, statistics and numerical frequencies. The study evaluates the performance, SEO optimization, ease of development and scalability of each framework. The results show that Astro offers an optimal balance between performance and flexibility, React stands out for its interactivity, and Eleventy for its simplicity and speed. The conclusions emphasize the importance of choosing the technology according to the specific requirements of the application.
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