Similarweb
Similarweb is a digital intelligence platform that estimates website and app traffic, keyword demand, and competitor performance for SEO and market research.
Key takeaways
- Similarweb estimates traffic and keywords for any website — ideal for competitive benchmarking.
- Data is modeled, not exact; always cross-check with first-party tools like Google Analytics.
- Use the Chrome extension for quick on-the-fly analysis of any URL.
- Focus on trends and multiple competitors rather than single data points.
- Combine Similarweb with dedicated SEO tools (Semrush, Ahrefs) for deeper keyword and backlink insights.
Similarweb helps you see beyond your own analytics by estimating traffic and keywords for any website.
What people use Similarweb for
- Competitor traffic analysis – Estimate how much traffic competitors get and from which channels (search, social, direct, referral, display).
- Keyword research – Discover keywords driving traffic to any domain, view estimated volume and trend, and compare keyword groups.
- Market intelligence – Analyze industry trends, audience demographics, and market share.
- Content gap analysis – Identify keywords competitors rank for that you don’t.
- Chrome extension quick checks – Get instant traffic and SEO metrics for any URL while browsing.
- Site auditing – Review site health and technical SEO issues (limited in free version).
Quick start: First competitor audit
- Go to Similarweb and enter a competitor’s domain.
- Review the Traffic Overview – See total visits, bounce rate, pages per visit, and average visit duration.
- Check Traffic Sources – Understand the split between direct, referral, search, social, mail, and display.
- Explore Top Keywords – Scroll to the Search section to see estimated organic and paid keywords.
- Compare with your domain – Use the “Compare” feature to benchmark against your own site or other competitors.
- Export data – Download reports for further analysis or presentations.
When not to start here
- If you need exact traffic numbers – Similarweb provides estimates, not first-party data. Use Google Analytics for your own site.
- For detailed backlink analysis – Similarweb has limited backlink data compared to dedicated tools like Ahrefs or Majestic.
- For real-time rank tracking – Similarweb keyword data is not real-time; use a rank tracker for daily position updates.
- If you rely on one snapshot – Always check trends over time and compare multiple competitors to avoid misleading conclusions.
Alternatives to Similarweb
| Tool | Best for | Pricing |
|---|---|---|
| Semrush | All-in-one SEO: keyword research, backlinks, rank tracking, site audit | Paid, limited free trial |
| Ahrefs | Backlink analysis, keyword research, content gap | Paid, limited free tools |
| Google Analytics | Your own site’s exact traffic data | Free |
| Google Search Console | Your own site’s search performance | Free |
| Ubersuggest | Budget-friendly keyword and traffic estimates | Freemium |
Next step
FAQ
Is Similarweb accurate?
Similarweb provides estimated data based on modeling from multiple signals. It is useful for benchmarking and trends but not for exact measurements. Always compare with first-party analytics like Google Analytics.
Can I use Similarweb for free?
Yes, Similarweb offers a free version with limited features, including basic website traffic estimates and the Chrome extension. Pro plans unlock more data and features.
How does Similarweb compare to Google Analytics?
Google Analytics shows your own site’s exact data. Similarweb estimates traffic for any site, including competitors. They serve different purposes: GA for internal analysis, Similarweb for external benchmarking.
Related topics
Sources
- Similarweb Keyword Analysis — Primary source for Similarweb’s keyword analysis feature set.
- Similarweb Chrome Web Store Listing — Primary source for the extension’s website traffic and SEO checker capabilities.
- Similarweb SEO Tools Page — Primary source showing Similarweb’s SEO positioning and feature scope.
- Google Search Central — Authoritative SEO reference for grounding Similarweb use against first-party search guidance.
- Google Search Console Help — Authoritative source for first-party search performance data and measurement context.
Reviewed by Lucía Marín, Founding editor.