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OpenSEO vs PostHog
Provides product analytics and session replay, not SEO tools
OpenSEOOpen-source Ahrefs and SEMrush alternative you can self-host.
PostHogProduct analytics, session replay and feature flagsWhich to pick
Pick OpenSEO if you want…
- Self-hosted SEO suite with AI agent integration
- A free, open-source tool
- Integrations with ChatGPT, Claude or Claude Code (on OpenSEO's list, not PostHog's)
Pick PostHog if you want…
- Unified product analytics with AI assistance
- Product analytics with session replay
- Integrations with Stripe, GitHub or Google Ads (on PostHog's list, not OpenSEO's)
Side by side
- What it is
- OpenSEO:OpenSEO is an open-source, self-hostable SEO suite offering keyword research, rank tracking, backlinks, site audits and AI visibility.
- PostHog:PostHog is an all-in-one product analytics platform with session replay, error tracking, feature flags and AI-driven insights.
- Best for
- OpenSEO:Self-hosted SEO suite with AI agent integration
- PostHog:Unified product analytics with AI assistance
- Who it’s for
- OpenSEO:Developers and SEO professionals who want full control over SEO data and tooling
- PostHog:Product teams and engineers who need analytics, monitoring and automated issue resolution.
- Pricing
- OpenSEO:Free
- PostHog:Freemium
- Plans
- OpenSEO:Hosted $0 · Self-hosted $0
- PostHog:Free $0 · Pay-as-you-go $0 per month · Platform packages $0
- Open source
- OpenSEO:Yes, 25 GitHub stars
- PostHog:Yes, 40,071 GitHub stars
- Works with
- OpenSEO:ChatGPT, Claude, Claude Code, Cursor, VS Code, Codex, Gemini CLI, OpenCode
- PostHog:Stripe, GitHub, Google Ads, Postgres, HubSpot, Zendesk, Linear, Slack
OpenSEO features
- Keyword research. Provides difficulty, volume, traffic potential, country data and live top-10 results in a single search.
- Rank tracking. Tracks Google positions on desktop and mobile by country, city or coordinates with customizable schedules.
- Backlink checker. Shows total backlinks, monthly history, strongest links and link intersect with competitors.
- Site audit. Free crawler with 117 technical checks, scheduled audits and Lighthouse reports.
- AI visibility checker. Queries multiple AI models (ChatGPT, Gemini, Claude, Perplexity) with web search and shows citations and site mentions.
- MCP server & REST API. Open-source server exposing 76 SEO tools for AI agents like Claude, ChatGPT, Cursor and any MCP client.
PostHog features
- Product Analytics. Capture, store and query events with a free tier of 1 M events per month.
- Session Replay. Record user sessions (5 K free recordings) and surface dead clicks or crashes.
- Error Tracking. Collect exceptions and stack traces, grouped into actionable issues.
- Feature Flags & Experiments. Toggle features and run A/B tests with 1 M free flag requests per month.
- AI Observability. Ask natural-language questions; AI generates diagnostics and pull-request suggestions.
- Managed Data Warehouse. Store raw events, rows and logs; query via SQL or BI tools.
- Workflows & Inbox. Automated agents create PRs, prioritize findings and route tickets to GitHub, Zendesk, etc.
- Integrations. Ingest data from 120+ sources like Stripe, Postgres, HubSpot, Google Ads and more.
OpenSEO vs PostHog FAQ
Is OpenSEO or PostHog free?+
OpenSEO is free. PostHog has a free plan and paid plans.
Is OpenSEO or PostHog open source?+
Yes, both are open source: OpenSEO (duckduckdeploy/openseo on GitHub, MIT license) and PostHog (PostHog/posthog on GitHub).
Do OpenSEO and PostHog integrate with the same tools?+
Their integration lists don't overlap: OpenSEO lists ChatGPT, Claude, Claude Code, Cursor and 5 more; PostHog lists Stripe, GitHub, Google Ads, Postgres and 4 more.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.