Google is the biggest search engine, then 2nd largest of these choices is Bing, as would be the 2nd choice if not for being developed by Microsoft and to be used primarily for web searches. In that same respect, MSN is actually a web portal, while Yahoo uses what Bing has developed instead of operating independently. Therefore, Opera is also not a search engine but a web browser; hence, Bing would be your correct answer.
Google has almost all of the search engine market share at around 90 percent. However, Bing has been relatively consistent as the second most popular search engine, with a market share of around 4-5 percent. In addition to Bing’s strong desktop presence, Copilot has provided an additional boost to Bing's position in the market.