This specific string is a relic of early 2000s search engine tricks. Back in the day, appending intitle: to a search was a clever hack to force Google to only show pages where "webcam" and "Windows XP" were actually in the title of the webpage, filtering out the spam. The "5" likely refers to a specific version of a driver, a Lifecam VX-5000, or a Logitech QuickCam 5000.

When selecting a webcam for Windows XP, look for models that are specifically designed for the operating system. Some popular webcam brands that offer Windows XP-compatible models include:

: This operator tells Google to restrict results to pages containing the exact phrase in their HTML tag.