An anonymous reader writes: An industry insider has told Business Insider [http://www.businessinsider.com/conspiracy-web-pages-load-slowly-because-they-make-more-money-that-way-2015-7] of his conviction that ad-serving companies deliberately prolong the 'auctioning' process for ad spots when a web-page loads in order to maximise revenue by allowing automated 'late-comers' to participate beyond the 100ms limit placed on the decision-making process. The unnamed source, a principal engineer at a global news company (whose identity and credentials were confirmed by Business Insider), concluded with the comment "My entire team of devs and testers mostly used Adblock when developing sites, just because it was so painful otherwise,". Publishers use 'daisy-chaining' [http://www.masternewmedia.org/online-advertising-management-ad-network-defaulting-and-daisy-chaining-for-ad-revenue-optimization/#ixzz2bKLfDIU9] to solicit bids from the most profitable placement providers down to the 'B-list' placements, and the longer the process is run, the more likely that the web-page will be shown with profitable advertising in place.