What Similarweb measures

Similarweb provides an external view of website traffic and engagement. Its Website Performance documentation covers visits over time, geography, device distribution and marketing channels. Extcorp uses the available Similarweb views to configure work for the client’s domain and goal.

Similarweb project settings

  • DOMAIN

    Website

    Confirm the domain or web property that should be observed.

  • GEOGRAPHY

    Market

    Set the country or regional focus where Similarweb filters support it.

  • DEVICES

    Device view

    Choose desktop, mobile web or a combined view.

  • SOURCES

    Traffic sources

    Specify the source or channel direction that matters to the project.

  • PERIOD

    Observation period

    Set the starting point and the follow-up review date.

  • REVIEW

    Similarweb view

    Use the available traffic and engagement data for the agreed period.

Who this service is for

  • Companies and website owners who want an external view of traffic visibility.
  • Agencies that need a Similarweb-specific campaign path for a client domain.
  • Teams comparing market presence across countries, devices or sources.
  • Independent owners testing whether the service fits one established website.

Similarweb, Semrush and GA4 use different data

Similarweb and Semrush both provide external estimates, but their methods and results remain separate. GA4 is first-party measurement generated by the website’s own tagging and consent configuration. Extcorp supports all three as separate services without presenting one platform’s number as another’s.

Platform note: Extcorp is an independent service provider and is not affiliated with Similarweb. Similarweb controls its data coverage, calculations, filters and update behavior.

Free test process

  1. Send the domain. Add the website URL and your preferred GEO.
  2. Choose the view. Confirm device, source and period inputs where relevant.
  3. Check availability. Extcorp replies with the feasible setup and whether a free test is available.
  4. Review in Similarweb. Assess the agreed view and discuss the next campaign step.