
Counting the number of users who visit a website accurately requires recording visitor IDs and eliminating duplicates. However, using the algorithm "HyperLogLog" published in 2007, it is possible to estimate the number of users on the scale of hundreds of millions with just a few KB of memory. Scientific American, a science magazine, explains the mechanism of HyperLogLog. The coin-flipping trick that counts the Internet | Scientific American https://www.sc


















