# Similarweb

Canonical: https://altdataatlas.com/provider/similarweb
JSON: https://altdataatlas.com/api/providers/similarweb.json
As of: 2026-09-29 (register 2026-09-24; coverage record 2026-09-29)
Licence: AltData Atlas Data Licence v1 (https://altdataatlas.com/agents#licence) — attribution required; no bulk redistribution. Not investment advice.

> Web and app traffic, engagement, and digital market-share estimates across millions of sites.

## Register row

- Category: [Web & Pricing Data](https://altdataatlas.com/category/web-pricing)
- Website: https://www.similarweb.com
- Geography (provider's home market): Global
- Since: 2007
- Delivery: API, Dashboard
- Price band (indicative): $50–150k
- Free sample: yes
- DDQ: not stated
- Verified listing: yes

## Coverage

- Tier: stated — Quoted from the provider's own public page, with the URL and the crawl date.
- Source: https://www.similarweb.com/ (2026-09-29)
- Quote: "We've got you covered with the largest digital data repository in the world 100M+ Website 4M+ Apps 235M+ Product SKUs 10Y Historical Data 20M+ Companies"
- Signals: Web & Pricing Data
- Asset classes: Public equities
- Regions: Global
- Sectors (stated): Consumer Discretionary, Information Technology, Communication Services
- Approx. companies: 20,000,000
- Index universes: not stated
- Ticker-mapped: yes
- History since (stated): not stated
- Named examples: Google, Facebook, Tesla

## Coverage cells

- web-pricing × Consumer Discretionary (stated): https://altdataatlas.com/coverage/web-pricing/consumer-discretionary
- web-pricing × Information Technology (stated): https://altdataatlas.com/coverage/web-pricing/information-technology
- web-pricing × Communication Services (stated): https://altdataatlas.com/coverage/web-pricing/communication-services

Corrections: hello@altdataatlas.com — subject: [Coverage] Similarweb.

Cite as: AltData Atlas, Similarweb (https://altdataatlas.com/provider/similarweb), as of 2026-09-29. AltData Atlas Data Licence v1.