Time causes differences in results For example, we regularly add new content from the web soon after it's published. Those who search a few hours or even a few minutes apart may find variations because of newly available content. There are data centers around the world that Search uses.

Have you noticed lately that some of your Google searches have steered you wrong? There's a reason for that. Spammers are using artificial-intelligence tools to create an ocean of content, and Google's algorithms are ranking some of those robot-generated pages ahead of the information you actually need.