We all want to make sure that when we're posting content or updates on social networks, it's actually being acknowledged. Depending on which of these sites you are using, the best (and worst) time zones vary as online traffic changes. Social Caffeine have compiled a list of these times in the infographic below, focussing on the most popular social media channels. The results are based on Internet users as a whole, not a specific demographic. To really ensure that you're making an online impact, measurement is key; you can find out more about evaluating your campaign efforts at our PR Analytics conference.