What is a search index? | Algolia

Search indexing is a process that organizes and structures data so that search engines can generate relevant results from user queries. It works similarly to the index in a reference book, where topics are organized alphabetically with their respective page numbers. Search engine algorithms use web crawlers (or spiders) to collect content from web pages and organize it by keywords. This process helps make searching fast, accurate, and relevant for users. In business applications, search functionality works in a similar way, helping employees find information quickly and efficiently. Good search indexing is crucial for providing excellent user experiences, improving employee productivity, and staying compliant with data protection standards.