Which type of result block is considered very helpful for many queries?

Web Search Result Blocks are considered very helpful for many queries because they directly provide users with relevant and informative content. This type of result block aggregates web pages that match the user's search intent, presenting them in an organized manner that allows for quick access to information. Users can easily scan through the titles and snippets to determine which links are likely to answer their question or fulfill their needs.

These result blocks are designed to prioritize quality, relevance, and authority, ensuring that the most pertinent information is readily available at the top of the search results. They also often include additional features like ratings, site links, or summary information that enhance the user experience by enabling them to make informed decisions about which links to follow.

In contrast, promotional result blocks often aim to fulfill marketing objectives rather than directly answering user queries, and image result blocks focus on visual content, which may not always provide comprehensive answers. Document result blocks, while useful for specific types of queries (like research or academic inquiries), may not have the same broad applicability and effectiveness across a wide range of search intents as web search result blocks do.