PostHog vs Segment
PostHog shows up at 7 of the 252 companies we track, Segment at 5. None have both.
Counts come from DNS, response headers, page source and public job posts; a tool named in a single job post is not counted. They show adoption among companies developers look up, not market share. There is no signed verdict for this pair yet.
PostHog
7
companies (3% of those tracked)
Only PostHog
7 companies
Usually paired with
Cloudflare (4), React (3), Stripe (3)