# PostHog on YC, Inc. 5000, unicorn and Fortune 500 homepages

Installmap, homepages crawled in September 2026.

- `group_counts.csv`: for each company list, the number of homepages scored and how many load PostHog, Google Analytics 4, Microsoft Clarity, Mixpanel, Amplitude and Heap.
- `yc_by_batch_year.csv`: YC homepages by batch year, with PostHog and Google Analytics 4 counts and shares.

Post: https://installmap.com/research/posthog-yc-vs-inc-5000