What about Bing?
It’s a good question, Bing converts well. Here are market shares of Search Engines:
Google Global Market Share
Bing Global Market Share
“Other” Global Market Share
With 5% Global Market Share…
Bing is a small traffic source.
Do we run Bing PPC? Yes, absolutely
Does it work? Yes, conversion is great.
Should you be doing it? Yes.
Especially in the US, where their market share is much greater.
And we run other Search Engines as applicable by geography too.