I am having the same problem on my Samsung Galaxy Nexus with AOKP Milestone 4 and on my Acer A500 with flexreaper r9. I used my Bookmark to the A500 Development Forum wich works fine on my Desktop PC. I am using WiFi (Provider T-Online Germany). The Forum Page is loading completely but after a few seconds i am redirected to
Had the same experience today with Opera Mobile on the "Cyanide & Happiness" page (webcomic). Looked at the latest strip and redirected as soon as the page was fully loaded. Didn't happen on the built-in browser though.
Tried setting the user agent from mobile to desktop and it seems to have fixed it. Switched back to mobile for testing and didn't get the ad again yet. Hopefully that helps.
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