Operator
Ask
Ask runs 2 bots across 2 agent types. Each one is a separate user-agent so you can allow or block them independently.
Bot
BloglinesLink Unfurler · Link preview
Link Unfurler
Link preview
Bloglines is operated by Ask. Single-page fetch triggered by a user action, link previews, social unfurlers, RSS readers. Volume tracks shares and clicks rather than crawl schedules.
TeomaSearch Engine · Search index
Search Engine
Search index
Teoma is operated by Ask. Traditional search-engine crawler that indexes pages for organic-search results. Blocking this almost always reduces visibility in the corresponding search engine.