You've probably started to notice retail campaigns for Halloween, Thanksgiving, and even Christmas! Online campaigns are pricey, so the landing page should be the MOST scrutinized page of your site — but too often it's an afterthought. I tracked the rendering times of campaign landing pages for leading retailers to see how they compare — who's fast, who's slow, and what's causing their page speed bottlenecks. As you can see in this competitive benchmarking leaderboard, rendering speeds ...