Similarweb alternatives

Looking for a Similarweb alternative that fits a small product site. Here is what Similarweb gets right, why it can miss for small traffic, and what to use instead by job. You will leave with a short plan you can run today.

By , founder of Porteur · Updated 14 September 2026 · Markdown

Pick the right tool for the job

Do not swap Similarweb for one tool. Match the job to the tool.

  • Estimate a rival’s search traffic and keywords: Semrush or Ahrefs
  • See which keywords a rival ranked or bought over years: SpyFu
  • See the truth for your own site: Google Search Console
  • Name who takes each search on your market and what to do: a focused report

Similarweb estimates total visits, sources and audiences. The numbers are modelled. For small sites, the variance is high. Use it for direction on larger domains, not budgets for your tinyapp.co.uk.

When Similarweb helps and when it misleads

Use it to size big markets fast. Check if bigco.com skews to search, direct or referrals. Compare geographies and seasonality. That is its shape of traffic job.

Avoid reading its small numbers as truth. Panels, partners and public data feed a model. On a site under tens of thousands of monthly visits, the sample is sparse, so the model guesses more. Your 4,300 visits might be shown as 1,000 or much higher. Plan with cushions or switch to tools built for search data.

Similarweb is not a keyword research tool and not an audit tool for your own site. It has a limited free version, but you will still face the same caveat on small sites.

Estimate rivals’ search traffic and keywords: Semrush or Ahrefs

Pick one suite and learn it well. Both estimate organic traffic from rankings and volumes, then surface the keywords and pages. You get closer to the search picture than a general traffic panel can give.

JobSemrushAhrefs
Find many related keywordsKeyword Magic ToolKeywords Explorer
See a domain’s ranking pagesOrganic ResearchSite Explorer
Track positions over timePosition TrackingRank Tracker
Audit crawl issuesSite AuditSite Audit
Link data and strength scoreBacklink Analytics, Authority ScoreBacklink index, Domain Rating
  1. Start with a domain

    Enter rivalsite.com in Organic Research or Site Explorer. Export the top pages and keywords.

  2. Map the gap

    Run a keyword gap against yourproduct.com. List terms they rank for where you have no page.

  3. Pick quick wins

    Filter for positions 11 to 20 on your own site. Update those pages first. For example, move "/guides/getting-started" from position 14 to 7 by matching intent and adding internal links.

  4. Avoid vanity totals

    Treat “estimated traffic” as directional. Plan against the page and query list, not the headline number.

A fixed page looks like this: a clear target query in the title, concise meta description, on-page headings that answer the search, and links in from related pages like "/guides/" and "/pricing".

See keyword history and ads: SpyFu

Use SpyFu when you care about time. It specialises in showing which keywords a domain ranked for or bought in ads over years. You can see when a rival paused, tested or doubled down.

  1. Enter a rival domain

    Check organic and paid history. Note the keywords that persist across many months.

  2. Use Kombat for overlap

    Compare three domains to see unique and shared terms. Add the unique set to your research list.

  3. Plan content and tests

    If rivalsite.com bought “best invoice app” for many months, write an honest comparison page. If it churned, test it as a blog post first.

SpyFu is weaker on your own site’s technical audit. Pair it with a crawler if you need one. For small teams, fix content and internal links before you buy more tools.

Get the truth for your own site: Google Search Console

For your site, trust pre click data. Search Console is free and shows queries, pages, impressions, clicks and positions. This is your source of truth for SEO outcomes.

  1. Verify your site

    Add yourproduct.com. Verify ownership. Submit your sitemap in the Sitemaps report.

  2. Open the Performance report

    Sort by queries. Find terms where you appear, but do not get clicks. Example: a high number of impressions but few clicks for "invoice template".

  3. Fix the page

    Tighten the title to match intent, add a fast example above the fold, and improve internal links. Re check in 28 days.

  4. Track progress

    Use Search Console for pre click. Use Google Analytics 4 for post click. The two never reconcile exactly by design.

If you search for a “website traffic checker”, this is the reliable place for your own clicks and impressions. It shows nothing about rivals, which is the point of pairing it with a suite.

Free and low friction checks

  • Ahrefs Webmaster Tools is free for verified sites: run Site Audit and see your own Site Explorer data
  • Bing Webmaster Tools is free and adds backlinks, keyword research and IndexNow
  • Google Trends shows relative interest over time, useful to sanity check a market
  • Keywords Everywhere shows volumes on the results page as a browser extension
  • Ubersuggest has a free tier for beginners, with keyword ideas and a basic audit
  • Similarweb has a limited free version, but small site estimates can still be rough

A quick sweep: add your site to Search Console and Bing Webmaster Tools today, run Ahrefs Webmaster Tools on your own domain, and use Trends to check if your term is seasonal before you commit content slots.

Why impressions rise without clicks

You will see this when you expand to new queries. A page can appear for many searches, most fringe. Impressions go up, but your snippet does not win clicks yet.

  • Tighten the title to the main intent, keep it under about 60 characters
  • Add a meta description that promises the answer in about 155 characters
  • Add internal links from related pages to lift its authority
  • Load the main content in under 2.5 seconds LCP to avoid a slow first paint

Example: "/pricing" titled “Simple pricing for freelancers” beats “Flexible Plans and Packages” for the query "invoice app pricing". It matches the words people use and fits the limit.

Side by side

Semrush

semrush.com

A broad SEO and marketing suite with strong keyword and competitive research.

Good at

  • Keyword discovery at scale
  • Domain and page level organic data
  • Position tracking and site audits
  • Backlink analytics with an Authority Score
  • Advertising and content modules

Choose it when You need one suite to estimate rivals’ search traffic, find keywords and plan pages.

Not for Exact traffic numbers across all sources, or auditing your own site for free.

Ahrefs

ahrefs.com

SEO with a strong backlink index and Site Explorer.

Good at

  • Backlink data and Domain Rating
  • Domain and page level organic keywords
  • Keywords Explorer for research
  • Site Audit and Rank Tracker
  • Content Explorer for topic finds

Choose it when You want deep link data and solid organic estimates with clear page and query lists.

Not for Overall traffic by source or advertising research.

SpyFu

spyfu.com

Competitor research focused on organic and paid keyword history of domains.

Good at

  • Long term keyword and ad history
  • Kombat for overlap across domains
  • Finding persistent money terms
  • Backlink outreach lists

Choose it when You care about which keywords a rival kept ranking or buying over years.

Not for Technical audits of your own site.

Google Search Console

search.google.com/search-console

Your site’s search performance, indexing and enhancements, pre click.

Good at

  • Queries, pages, impressions, clicks and positions
  • Index coverage and sitemaps
  • Core Web Vitals and enhancements

Choose it when You want the truth about your own SEO outcomes, free.

Not for Rival traffic, keyword lists for other sites, or analytics after the click.

Porteur

porteur.co

A growth report for product sites that names who takes each search and what to ship next.

Good at

  • Reading your site and market from a URL
  • Showing rivals on your searches
  • Prioritising a short list of actions

Choose it when You want a focused plan from your URL without setting up many tools.

Not for Deep daily rank tracking or broad ad research.

Use Similarweb to size big markets and compare large competitors by traffic source. For a small product, switch to search led tools. Choose Semrush or Ahrefs to estimate rival organic traffic and pull the actionable list of pages and queries. Add SpyFu when the history of rankings and ads matters to your decisions. Use Google Search Console as your source of truth for your own clicks and impressions, then tie actions back to pages you can edit this week. If you want one plan that tells you who owns which searches and what to publish next, run a focused report and ship the first three pages.

Questions

Sources

Check my site, free

Paste your URL to get a free check that names which rivals take your searches and the next three pages to ship.

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  • Read-only, your own accounts
  • Readable by your agent

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