Google Search Engine is a powerful tool used to search the internet for information. It uses a variety of technologies to provide users with highly relevant, accurate, and up-to-date results. The technology stack that powers Google Search includes web crawling, indexing, ranking algorithms, machine learning, natural language processing, and other technologies. Web crawling enables Google to quickly index webpages across the web. Indexing enables Google to store and sort information to quickly provide relevant results to users. Ranking algorithms are used to determine which webpages are the most relevant and should appear first in search results. Machine learning and natural language processing help Google understand the context of queries and provide the best results to users. Together, these technologies power the Google Search engine and make it a powerful tool for internet users.