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PostHog with Webflow

See what somebody did before they signed up, then connect that activity to who they become in your product. Events, campaign attribution, identity, session replay and feature flags, set up as one system rather than five installs.

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PostHog integrations like this usually take 2–4 days

How it works

How the handoff works.

  1. 01

    Event

    Named, fired deliberately on the Webflow page

  2. 02

    Anonymous ID

    The visitor before they are anybody

  3. 03

    Campaign

    Parameters carried through to signup

  4. 04

    Signup

    The anonymous history aliased to the account

    Key handoff

  5. 05

    One person

    Pre-signup activity joined to the user in the product

Why this is the key handoff

The join is the whole job. Somebody's anonymous marketing activity should still belong to them after they become a product user. Every step succeeds on its own either way, which is why I check the alias at the point of signup rather than taking the default: the failure is silent, and it only shows up when somebody asks which page produced an activated user.

Before you wire it

Three things that commonly go wrong.

  1. 01

    Feature flag flicker

    A flag resolving in the browser renders the default first and swaps afterward, which on a hero is a visible flash and a layout shift counted against the page. I test the initial resolution and the identity change.

  2. 02

    Brittle autocapture

    Events keyed to DOM structure change meaning when somebody restyles a section, so a small set of named events holds up better across a redesign.

  3. 03

    Broken identity joins

    Pre-signup activity can start a second history instead of joining the known user. I test that it joins, and check the expected volume against how the account is priced.

What you are buying

What is included.

  • Explicit marketing events for the actions that matter

  • Anonymous-to-known identity flow across Webflow and the product

  • Campaign parameters carried into signup

  • Session replay and feature flags scoped to where they are useful

  • Consent-aware loading and capture rules

Other integrations

Wire up something else?

Reach out and see if we are a good fit.

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Currently booking two to four weeks out.