In general, the Top 3 Classes should be a reasonable choice if you're looking for optimal Tanking performance. You can decide for yourself by looking at the list above.
Although these metrics have always been rather general trends than the rule of thumb, you can still use them to understand who is the Top Tank in WoW right now. Current statistics from many reputable sources, which include Warcraft Logs and Simulationcraft, support the information displayed here. We rank Tanks by their overall performance and survivability in Raids. Each day we check the data to verify it is accurate and up to date.
