shouldiuse.io

Comparison

PostHog vs Google Analytics

PostHog and Google Analytics both land on Depends.

PostHog versus Google Analytics
ComparePostHogGoogle Analytics
VerdictDependsDepends
Best forProduct-engineering teamsMarketing teams tracking site traffic
Who it's not forMarketing teams wanting only simple web analyticsSmall sites that only need basic visitor counts
PrivacyOpen source with a public security page; one NVD-listed CVE (2025) surfaced in vulnerability feeds.⁴No known public vulnerabilities found in the sources reviewed.11
Support qualityNo credible support-quality evidence foundNo support evidence in sources
Public sentimentIndependent sentiment is sparse but positive . engineers name PostHog their first pick for instrumenting analytics from scratch.⁶No user reviews or community discussions were found in the sources reviewed.
Biggest gotchaUsage-based bills scale with events and replays; monthly free allowances only cover early-stage volumes.⁸No security page found at.com/security during review; verify before procurement11

Pick PostHog when

  • Product-engineering teams
  • Startups consolidating analytics, replay, and flags
  • Teams leaving GA4
  • Open-source buyers

When PostHog is not a fit

  • Marketing teams wanting only simple web analytics
  • Non-technical buyers . it is built for product engineers
  • Anyone needing flat, predictable monthly bills
  • Buyers sold on proven auto-fix AI . it is new

Pick Google Analytics when

  • Marketing teams tracking site traffic
  • E-commerce funnel and conversion analysis
  • Content site owners wanting free analytics

When Google Analytics is not a fit

  • Small sites that only need basic visitor counts
  • Privacy-first teams uncomfortable sending data to Google
  • EU-heavy sites wary of data-protection rulings against GA
  • Anyone unwilling to learn GA4's steep interface

Sources

  1. PostHog homepageposthog.com
    official
  2. PostHog on GitHub (open source)github.com
    official
  3. PostHog product security pageposthog.com
    security
  4. CVE-2025-1521 . NVDnvd.nist.gov
    security
  5. Easiest to Set Up Product Analytics . Coopercooperaiq.com
    review
  6. Threads . instrumentation from scratchthreads.com
    review
  7. PostHog Repositions Itself as Self-Driving Product Enablerlinkedin.com
    news
  8. PostHog: Product Analytics and AI Development Tools . ai.engineerai.engineer
    official
  9. How PostHog got its users . howtodistributehowtodistribute.com
    news
  10. PostHog LinkedIn . free tier / not GA4linkedin.com
    official
  11. Security pageanalytics.google.com
    security
  12. posthog.composthog.com
    review