In the search engine world, there's

Google

(GOOG) - Get Report

-- and then there's everybody else.

But while Google continues to

make its moves into other worlds, such as smartphones, Jim Cramer raised the specter of competition coming out of Redmond on Google's search home turf.

On last night's "Mad Money," Cramer said Google would have a good showing this quarter, but added that its dominance might be threatened by

Microsoft's

(MSFT) - Get Report

newest search offering, Bing.

And the latest report from

comScore

(SCOR) - Get Report

backs Cramer up.

Since Bing hit the market on June 3 -- trumpeted by a massive ad blitz -- the search engine has built up more than a few users. Last week comScore said average daily U.S. search penetration on Bing jumped in a week from 15.8% to 16.7% for the week of June 8th. More interesting, Bing's share of search result pages in the U.S. also jumped from 11.3% to 12.1%.

"It appears that Microsoft Bing has continued to generate interest from the market for the second consecutive week," comScore senior vice president Mike Hurt said in a press release. "These early data reflect a continued positive market reaction to Bing in the initial stages of its launch."

Google might be looking over its shoulder -- but the charred efforts of Microsoft's earlier forays into the search market are still smoldering, so it will be more telling how Bing is doing months from now when the ad campaign quiets down.

Yet, as Cramer said, it is interesting to see Bing making inroads into mindshare. As a result, he said Google's stock is hurting. Shares of Google have slipped 2.7% over the last five days and were changing hands in negative territory today down $2.45 to come to $404.90. Microsoft gained 1.5% by the early afternoon.

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