Can a WordPress site scale to 180M users?

Re:Can a WordPress site scale to 180M users? by fairpx on Saturday September 16, 2017 @02:46PM (#15266005)

If starting with WP is faster, do so. Assuming you'll have some form of business model way before you get to 180M users, you'll probably want to switch at some point. It won't be an issue, focus on scaling to 100k users first ;)

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Re:Can a WordPress site scale to 180M users? by le-mark on Tuesday September 19, 2017 @08:51AM (#15284152)

Otherwise, the math is pretty easy. The key questions are: how many requests per user per session, how many request per user per minute, and how many request per second can the hardware serve?

Supposing an even distribution of 180M visits per day and 1 requests per visit:

  125,000 visitors per minute

  125,000 http request per minute

  2,083 requests per second

That should be doable on a large vps of some sort, even for wordpress.

Now the question is, how complex is the workflow? Certainly a visit will consist of more than one request. Also, visitor frequency will most likely peak during certain periods of the day/week.

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