The All Time Most Popular Minecraft Servers page 241 of list is based on the total number of votes received over time. Each month, the votes are accumulated to create a comprehensive list of the best servers of all time. The vote reset (once a month) is added to the overall tally, so you can be sure that this list is always up-to-date.
If you're searching for the most popular servers at the moment, check out the Best Minecraft Servers list instead. This list is based on the current number of votes and is updated monthly to provide a real-time overview of the most in-demand servers. Get gaming!