In the late 90s-early 00s, at a corporate job, several of us used a script to have the browser load a random page every few minutes. (I didn't write the script... I think the pages were just random links from search results based on random words.) Anyway, the thousands of pages loaded masked the NSFW pages. We figured we'd have plausible deniability. "You say I visited Xxx.com? I don't know... I think my computer has a virus or something. It's always loading up random stuff. Let me see the log... Yep... Just as I thought... It says I visited 24,239 pages on Tuesday. Heck, that's not even possible!"