Why is my works website's ranking in Google, different on different computers at my work?

Our websites ranking is different on the different computers at work in Google, we don't know why. On some computers its number 2 while on others it's number 27?

Why is my works website's ranking in Google, different on different computers at my work?noton

If you mean Google PR it can't be higher then 10. How you check you site rank?

Why is my works website's ranking in Google, different on different computers at my work?stinger

cos it's so
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