Providing on-line non-downloadable software for in-page searching, retrieving, analyzing, and summarizing content from webpages using artificial intelligence and large language models; Providing online non-downloadable computer software platforms for executing virtual research assistant tasks that deliver on-demand answers for any public uniform resource locator (URL); Providing temporary use of on-line non-downloadable software for generating concise summaries of long-form online content into brief snapshots; Software as a service (SAAS) services featuring software for summarizing complex articles, extracting relevant information, and responding to user queries by analyzing web content