# posthog.com > AI-optimized mirror of posthog.com containing 50 pages totalling 60,750 words of clean markdown content, structured data, and semantic HTML. Original source: https://posthog.com. Last updated: 2026-09-02T04:17:42.931Z. Each page is available as HTML (with JSON-LD structured data) and Markdown (text-only, ideal for LLMs and RAG). ## Homepage - [PostHog – We make your product self-driving](/content/site-root.html): PostHog automatically diagnoses problems, fixes bugs, and generates pull requests – all without you having to prompt it. (685 words) ## Articles & Blog Posts - [New business sales - Handbook - PostHog](/content/handbook/growth/sales/new-sales/index.html): We build PostHog for product engineers . While many non-technical folks use PostHog successfully every day, our sales process is built with technical… (5,220 words) - [FAQ - PostHog](/content/faq/index.html): About PostHog What is PostHog? PostHog is the leading platform for building self-driving products. With a full suite of developer tools – AI… (1,723 words) - [How to seed, grow, and scale Developer Relations (and how we're doing it at PostHog) - PostHog](/content/blog/seed-grow-scale-devrel/index.html): Developer Relations exists and is executed in different ways at almost every company. Our Developer Relations journey at PostHog has just begun, and… (4,069 words) - [In-depth: ClickHouse vs PostgreSQL - PostHog](/content/blog/clickhouse-vs-postgres/index.html): Honestly, it is a bit ridiculous to compare Postgres and ClickHouse. The two database solutions are as similar as grapes and grapefruit. ClickHouse… (2,343 words) - [How we got our first 1,000 users - PostHog](/content/founders/first-1000-users/index.html): This post is the first in a series where I’ll break down how we reached important milestones at PostHog. Part 1: How we got our first 1,000 users… (2,432 words) - [Deploy a reverse proxy - Docs - PostHog](/content/docs/advanced/proxy/index.html): A reverse proxy helps you capture more complete usage data. Ad blockers maintain lists of known analytics domains and block requests to them. A… (1,824 words) - [docs/feature-flags/creating-feature-flags-md.html](/content/docs/feature-flags/creating-feature-flags-md.html) (3,463 words) - [Implementing custom surveys - Docs - PostHog](/content/docs/surveys/implementing-custom-surveys/index.html): Custom surveys are currently supported only with the JavaScript Web SDK . You aren't limited to the surveys PostHog renders for you, though. Because… (2,250 words) - [Filters - Docs - PostHog](/content/docs/product-analytics/trends/filters/index.html): Trends support two types of filters : Inline filters – only apply to a specific series in your insight. Filter groups – global filters that apply… (1,194 words) - [ClickHouse Operations Engineer - PostHog](/content/careers/clickhouse-operations-engineer/index.html): The single platform for engineers to analyze, test, observe, and deploy new features. Product analytics, session replay, feature flags, experiments, CDP, and more. (1,739 words) - [The secrets of PostHog query performance - PostHog](/content/blog/secrets-of-posthog-query-performance/index.html): We want PostHog to become the first choice for product analytics at any scale. To do that, users should have a smooth experience exploring their… (1,323 words) - [How to sync and query Supabase data in PostHog - PostHog](/content/tutorials/supabase-query/index.html): Combining your database and analytics data is a powerful way to understand your users. Supabase is a popular choice for handling that app data, as… (868 words) - [The behind the scenes of writing a data study](/content/blog/turning-data-into-content/index.html): How we went from a mountain of first-party data to a published article in a few days. (929 words) - [Technical Content Writer - PostHog](/content/careers/technical-content-writer/index.html): The single platform for engineers to analyze, test, observe, and deploy new features. Product analytics, session replay, feature flags, experiments, CDP, and more. (1,611 words) - [Calculating average session duration, time on site, and other session-based metrics - PostHog](/content/tutorials/session-metrics/index.html): A session is a set of events grouped to capture a "single use" of your product. If you use the snippet , JavaScript Web SDK , or mobile SDKs… (651 words) - [Estimating usage & costs - Docs - PostHog](/content/docs/billing/estimating-usage-costs/index.html): It can be daunting to figure out how much a usage-based platform like PostHog will cost, but there are simple ways to estimate your usage and costs… (1,311 words) - [pricing-md.html](/content/pricing-md.html) (1,547 words) - [Building a world-class engineering environment - Handbook - PostHog](/content/handbook/world-class-engineering/index.html): We know we've got to be quick to build all the tools in one. So we better have a world-class engineering environment that lets us build everything… (525 words) - [Install OpenTelemetry logging - Docs - PostHog](/content/docs/logs/installation/index.html): PostHog Logs works with any OpenTelemetry-compatible client. You don't need any PostHog-specific packages - just use standard OpenTelemetry libraries… (79 words) - [WTF is loop engineering and why is everyone talking about it?](/content/newsletter/loops/index.html): We're bullish on loops. Here's what they are, why they're taking off now, and what they mean for product engineers. (985 words) - [OAuth integration - Docs - PostHog](/content/docs/api/oauth/index.html): PostHog supports OAuth 2.0 for third-party applications to access PostHog on behalf of users. This page explains how to integrate with PostHog's… (1,213 words) - [Use experiments over PostHog MCP - Docs - PostHog](/content/docs/experiments/surfaces/mcp/index.html): The PostHog MCP server exposes experiments as function calling tools, so an AI agent can create an experiment, launch it, read its results, and end… (392 words) - [docs/feature-flags/bootstrapping-md.html](/content/docs/feature-flags/bootstrapping-md.html) (754 words) - [MCP servers - Docs - PostHog](/content/docs/posthog-desktop/mcp-servers/index.html): MCP servers give the agent access to tools outside your codebase, such as issue trackers, error trackers, design tools, and internal APIs. PostHog… (486 words) - [Send PostHog event data to Salesforce - Docs - PostHog](/content/docs/cdp/destinations/salesforce/index.html): This destination connects to your Salesforce instance, sending events from PostHog to Salesforce as they are ingested. You'll also need access to the… (334 words) - [Support options - Docs - PostHog](/content/docs/support-options/index.html): Have a question? Ask anything PostHog-related at posthog.com/questions . PostHog provides a free basic level of support to everyone via the… (923 words) - [Getting started with Logs - Docs - PostHog](/content/docs/logs/start-here/index.html): PostHog Logs works with any OpenTelemetry client. No PostHog-specific packages required. Use the OTel SDKs you already have, point them at PostHog's… (764 words) - [Sharing and embedding insights and dashboards - Docs - PostHog](/content/docs/product-analytics/sharing/index.html): For any dashboard or insight, you can share a public link and/or embed it using an iframe. This is useful if you want to share your data with… (577 words) - [JavaScript web persistence and cookies - Docs - PostHog](/content/docs/libraries/js/persistence/index.html): If you want to change how PostHog stores this information, you can do so with the persistence configuration option: persistence: "localStorage… (1,374 words) - [PostHog raises $15 million Series B for open source product analytics - PostHog](/content/blog/15-million-series-b/index.html): Jun 10th, 2021 – PostHog , the open source product analytics company, today announced $15 million in fresh funding and major new free features for… (769 words) - [A/B testing mistakes I learned the hard way - PostHog](/content/product-engineers/ab-testing-mistakes/index.html): Running experiments is equal parts powerful and terrifying. Powerful because you can validate changes that will transform your product for the better… (1,630 words) - [Experiments - Docs - PostHog](/content/docs/experiments/index.html): Experiments let you test a change against a control and find out whether it actually worked. You define variants, pick the metrics you care about, and… (540 words) - [Signal sources - Docs - PostHog](/content/docs/self-driving/inbox/sources/index.html): Self-driving is in open beta. It's improving quickly – expect rough edges, and expect them to disappear fast. Signal sources are what fill your inbox… (691 words) - [Web Product Analytics installation - Docs - PostHog](/content/docs/product-analytics/installation/web/index.html): The single platform for engineers to analyze, test, observe, and deploy new features. Product analytics, session replay, feature flags, experiments, CDP, and more. (302 words) - [PostHog CLI - Docs - PostHog](/content/docs/cli/index.html): The PostHog CLI lets you use PostHog from your terminal, your coding agents, local scripts, and CI/CD pipelines. API : Use posthog-cli api to access… (1,057 words) - [Testing and launching an experiment - Docs - PostHog](/content/docs/experiments/testing-and-launching/index.html): Once you've written your code, it's a good idea to test that each variant behaves as you'd expect. If you find out your implementation had a bug after… (190 words) - [Group analytics - Docs - PostHog](/content/docs/product-analytics/group-analytics/index.html): Group analytics is getting a makeover! Sign up for the customer analytics feature preview to get a sneak peek, and share your feedback . Overview… (1,024 words) - [PostHog pricing – Start free, scale when you need](/content/pricing/index.html): 97% of companies use PostHog for free. Generous monthly free tiers on every product, usage-based pricing after that, and no surprise bills. (684 words) - [Running time and sample size - Docs - PostHog](/content/docs/experiments/sample-size-running-time/index.html): Before running an experiment, you'll want to know how long it needs to run to get reliable results. The running time calculator helps you estimate… (997 words) - [Media & press - PostHog](/content/media/index.html): Media resources, press information, and brand assets for PostHog (430 words) - [Vercel - Docs - PostHog](/content/docs/libraries/vercel/index.html): This doc focuses on features unique to the Vercel platform like Vercel Functions, the AI SDK, and the Flags SDK. If you're looking for details on… (633 words) - [Data management - Docs - PostHog](/content/docs/data/index.html): Looking to get third-party data in or out of PostHog? Check out the data pipelines docs . PostHog has many tools to manage all your data. These… (395 words) - [docs/product-analytics/trends/charts-md.html](/content/docs/product-analytics/trends/charts-md.html) (1,140 words) - [Incoming webhooks - Docs - PostHog](/content/docs/cdp/sources/incoming-webhooks/index.html): Incoming webhook sources are experimental and available behind a feature preview . For most use cases, we recommend using a workflow with a webhook… (675 words) - [Securing PostHog - Docs - PostHog](/content/docs/self-host/configure/securing-posthog/index.html): Restrict access by IP You can restrict access to PostHog by IP by passing ALLOWED_IP_BLOCKS . This is a comma separated list, and can either be… (708 words) - [We’re partnering with Stripe to solve the most annoying problem for product builders - PostHog](/content/blog/stripe-projects/index.html): No, it’s not coming up with a company name. And it’s not trying to find a technical co-founder. It’s the initial pain of installing, configuring… (553 words) - [CUPED variance reduction - Docs - PostHog](/content/docs/experiments/cuped/index.html): CUPED (Controlled-experiment Using Pre-Experiment Data) is an optional variance reduction method for experiment metrics. It uses participants… (386 words) - [Careers - PostHog](/content/careers/index.html): We're working to increase the number of successful products in the world. Adventurers needed. (3,242 words) ## About Pages - [About PostHog](/content/about/index.html): All about PostHog (1,116 words) ## Resources - [Full Page Index](/index.html): Browse all cached pages with rich metadata - [About This Cache](/about.html): Methodology, technical details, and usage guidelines - [XML Sitemap](/sitemap.xml): Machine-readable sitemap for crawler discovery - [Robots.txt](/robots.txt): Crawler directives - [AgentSite Network](https://agentsite.network/network.html): Public index of AgentSites and their machine-readable resources