Using Similarweb Extension

Why should I use it?

The Similarweb Extension puts comprehensive website intelligence directly in your browser. In seconds, you can see how any website is performing, from total monthly visits and traffic sources to referrals from LLMs and any relevant prompts. Use it for on-the-go competitive research, SEO strategy, and market analysis, without ever leaving the page.

AI Traffic

Find out which LLMs are sending traffic to any website.

See how much of any site's traffic comes from ChatGPT, Gemini, Claude, Perplexity, and other AI chatbots. Plus, track AI traffic over time to understand how shifts in AI search are affecting your category and where you're gaining or losing ground.

Key metrics and insights:

• AI traffic distribution: The percentage of a site's total traffic attributed to each AI chatbot.
• AI traffic over time: A view of AI-referred traffic over time, showing how generative AI's influence on a site's visits is trending month over month.

Top Prompts

See the exact questions users ask AI about any brand.

Discover the real prompts users type into ChatGPT, Gemini, Perplexity, and other AI platforms when they're directed to any site. Use this intelligence to create content that answers the questions that matter most. And to understand how your brand and your competitors' brands are being surfaced in AI-generated responses.

Key metrics and insights:

• Top prompts: The highest-volume queries users are submitting to AI chatbots that result in visits to a given domain.
• Month-over-month trends: Track how prompt patterns evolve over time to identify emerging topics and shifts in user intent.

Visits Over Time

See exactly how any website is growing or losing ground.

Track total monthly visits, bounce rate, pages per session, and average visit duration for any domain. Use these metrics to benchmark your own performance, monitor competitor momentum, and spot emerging threats before they become significant.

Key metrics and insights:

• Total visits: The total number of visits to the domain for the selected time period.
• Bounce rate: The percentage of visitors who land on a page and leave without navigating further.
• Pages per visit: The average number of pages viewed per session. Higher values generally indicate a more engaged audience.
• Visit duration: The average time users spend on the site per session, including bounced visits.

Top Keywords

Uncover the keywords any site ranks for and what they pay.

Explore the top-performing organic and paid search terms driving traffic to any website. Each keyword comes with estimated click volume and cost-per-click (CPC) data, so you know exactly where competitors are investing and where opportunities exist to improve your own search strategy.

Key metrics and insights:

• Top keywords: The search terms generating the most traffic to the domain.
• Estimated click volume: The approximate number of monthly clicks attributed to each keyword.
• Cost-per-click (CPC): The estimated market rate for each keyword in paid search, indicating commercial value and competitive intensity.

Ranking

Know any website's position in the digital universe.

See where any website stands globally as well as within its country and category. Monitor how rankings shift over time to measure competitive momentum and evaluate markets or niches before making strategic investments.

Key metrics and insights:

• Global rank: Determined by the highest combined sum of monthly unique visitors and pageviews worldwide.
• Country rank: The site's ranking within the country that sends it the most traffic, based on the same unique visitors and pageviews methodology.
• Category rank: The site's ranking within its primary website category, using the same ranking methodology.

Traffic Sources

Find any competitor's channel mix in seconds.

See the complete traffic source breakdown for any website, including direct, organic search, paid search, social media, email, referrals, and display advertising. Understanding where competitors get their traffic helps you make smarter decisions about where to invest your own marketing budget.

Key metrics and insights:

• Direct: Visitors who arrive by typing the URL, using a bookmark, or following a saved link. A strong direct traffic share is often a signal of brand awareness and loyal demand.
• Organic search: Traffic from unpaid search results. A high organic share, especially when correlated with strong direct traffic, typically indicates a well-optimized site with strong brand recognition.
• Paid search: Traffic driven by search advertising spend. A high paid search share suggests active investment in visibility or audience acquisition.
• Social: Traffic from social networks, including Facebook Ad Network traffic, which is counted here.
• Email: A significant email traffic share often indicates a large, engaged subscriber base and a strong owned-channel strategy.
• Referrals: Traffic arriving from other websites. A high referrals share may indicate a strong affiliate program, PR strategy, or media coverage.
• Display: Traffic from banner and display ad placements, typically used for brand awareness or audience retargeting campaigns.

Geography

See which markets are powering any website's traffic.

Identify the top countries sending visitors to any domain, along with each country's percentage share of total traffic. This is essential context for evaluating international expansion opportunities, planning localization efforts, and understanding where competitors are strongest geographically.

Key metrics and insights:

• Top countries: The five countries sending the most traffic to the domain during the selected time period.
• Traffic share by country: Each country's percentage contribution to the site's total visits, helping you quickly identify where a site's audience is concentrated.

FAQs

Is the Similarweb Extension available for all browsers?

The extension is currently available for Google Chrome. To get started, install it directly from the Chrome Web Store and activate it on any website you want to analyze.

Which AI chatbots are tracked in the AI Traffic feature?

The extension currently tracks traffic referrals from ChatGPT, Gemini, Claude, Perplexity, and other major platforms. Coverage may expand as new AI chatbots grow in prominence.

How often is the data updated?

Data is updated monthly. The extension reflects the most recently available data for each metric.

Do I need a Similarweb account to use the extension?

You can install and use the extension without a paid Similarweb account. However, a subscription unlocks deeper data, longer date ranges, and additional metrics beyond what the free version provides. 

Can I use the extension to analyze my own website?

Yes. The extension works on any domain, including your own. This makes it easy to quickly check your site's key metrics, benchmark your performance against competitors, and monitor changes month over month without logging into a separate dashboard. 

Can I compare multiple websites at once using the extension?

The extension analyzes one domain at a time as you browse. For side-by-side multi-site comparisons, you can use the full Similarweb platform, which offers dedicated competitive analysis and benchmarking tools.