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Here is my experience, https://twitter.com/FrantzMiccoli/status/476242261102329856 https://twitter.com/FrantzMiccoli/status/476242261102329856 "After 15h on HN
by frantzmiccoli 10y ago
Here is my experience, https://twitter.com/FrantzMiccoli/status/476242261102329856 https://twitter.com/FrantzMiccoli/status/476242261102329856 "After 15h on HN front page: 14k views from 4k visitors on my GitHub and 3k visitors to the linked article"
You can see similar figures when traffic comes from some important Reddit subchannels.
I don't have any answers for the rest of your questions.