Competitor analysis · Website traffic

Competitor website traffic analysis: what to track, which tools to use, and how much traffic your competitor really gets

Every B2B marketing team wants to get competitor website traffic estimates that hold up under scrutiny — and most end up paying for tools they never open twice. This piece covers the analysis method that actually works, the tools worth a subscription, and a monthly workflow SMEs, scale-ups and agencies can repeat without hiring an analyst.

By Olivia Marsden · Delivery Lead & Traffic Analyst · 9 August 2026 · 11 min read

On this page

01Why the analysis matters
02What competitors leak
03Which tools to use
04Get competitor traffic
05How much do they get
06Monitor over time
07Monthly workflow
08Mistakes
09FAQ

The short version

You cannot see a competitor's real analytics. You can track modelled estimates that are directionally useful, and the shape of the trend is what to monitor — not the absolute number.
Two tools beat one. Cross-reference Similarweb and either Semrush or Ahrefs, and treat any figure that agrees within 30 percent as a fair estimate of your competitors' traffic.
Keyword rankings, referring domains and top pages tell you far more about what your competitors are doing than the headline traffic number does.
Monitor monthly, not weekly. A one-hour cadence with two tools and a shared spreadsheet is what most competitor monitoring programmes actually need.
The point of the analysis is to decide what your team should do next — not to build a dashboard for its own sake.

Why competitor website traffic analysis matters

Every team benchmarks against something. The question is whether the benchmark is a real competitor or a generic industry average — and a competitor benchmark is worth several times more. A number from your own niche tells your team what "good" looks like on a website of similar age and commercial model. A global average tells you nothing you can act on.

What a rigorous competitor analysis really answers is not "how much traffic does the competitor get?" — it is "which of their plays are working, and which of those can our team copy or leapfrog?" That is a more actionable question, and it is the reason a competitor monitoring programme changes decisions rather than decorating reports.

For SMEs, scale-ups, agencies and SaaS marketing teams the same three use cases keep coming up. First, sizing the market — competitors with visible traffic prove the demand exists. Second, prioritising channels — if two competitors both grew through content and one through paid, your next quarter is probably about content. Third, defending share — a competitor pulling ahead on branded search is a signal you need to track and respond to, not a spreadsheet.

None of that needs a full-time analyst. What it needs is the right tools, the right handful of metrics to track, and a workflow the marketing owner can keep up with.

What your competitors leak about their website traffic

A competitor cannot hide most of what matters. Their website is public, their content is public, their inbound links are public, and every third-party tool that models website traffic reads the same signals. Knowing what to track — and what to skip — helps your team spend an hour on the data that changes decisions.

What competitors leak	What tool sees it	How much decision it supports
Estimated monthly website traffic	Similarweb, Semrush, Ahrefs	Directional — trend is more reliable than the number
Ranking keywords and top pages	Ahrefs, Semrush, Serpstat	High — tells you what content is actually working
Referring domains and link velocity	Ahrefs, Majestic	High — shows the authority strategy your competitors use
Paid keywords and ad copy	Semrush, SpyFu	Useful for scale-ups; SMEs can usually skip it
Social share of voice	BuzzSumo, Sparktoro	Useful for content-heavy competitors
Technology stack	BuiltWith, Wappalyzer	Rarely changes a marketing decision — skip most months

Notice how much of what your competitors leak lives in tools your team can open for free. The paid tiers add depth on top pages, keyword history and referring domains — the layers that support real decisions. The rest is noise most of the time.

Tool choice

Which tools to use for competitor traffic analysis

Four tools cover 95 percent of what a marketing team needs to track competitors. Pick two — a traffic tool and a search tool — and skip the rest until a specific question demands them.

Similarweb — traffic and channel mix

The default tool for a headline website traffic estimate, channel split and country breakdown for any competitor. Trend is reliable, absolute numbers are not — treat the graph as the truth and the label as a rough guide.

Ahrefs — keywords and links

The strongest tool for the keyword universe your competitor ranks for and the referring domains they have earned. Use it to see what content and authority your competitors are actually building.

Semrush — the all-rounder

A single tool that covers traffic estimates, paid search keywords, position tracking and ad copy. Weaker than Ahrefs on links and than Similarweb on channel mix, but a fair choice if your marketing team can only fund one paid tool.

Google Search Console + a spreadsheet

Free, and the only tool that reports your own website's true position. Combine what you rank for with a competitor's public ranking data from Ahrefs, and you have a keyword gap analysis no paid tool sells better.

How to get competitor website traffic estimates that hold up

The single biggest mistake teams make on a competitor traffic analysis is trusting a single tool. Every tool models website traffic from a different panel, so their numbers disagree — sometimes by a factor of two. The fix is straightforward: use two tools, note where they agree and where they diverge, and treat the agreement zone as the fair estimate.

Here is the practical method our analysts use to get competitor website traffic figures that survive a management review. It takes about twenty minutes per competitor and delivers a number you can defend without an asterisk.

Pull the monthly traffic estimate from Similarweb. Note the number and the trend line for the last twelve months. If the tool marks the estimate as "low confidence" — a small competitor site — the absolute figure is not worth quoting.
Pull the equivalent from Ahrefs or Semrush. Focus on organic traffic; each tool models it separately, so a second number is a second data point.
Compare the two. If they land within 30 percent of each other, take the midpoint. If they diverge more, quote both and let the reader see the range.
Cross-check against a proxy signal. Referring domains, ranking keyword count and branded search volume all move alongside real traffic — a competitor's tool numbers should not disagree with those proxies.
Log the number in a shared spreadsheet. One row per competitor, one column per month. The value of the analysis compounds only if the history exists.

Do this once and the numbers look noisy. Do it every month for two quarters and the shape of each competitor's website traffic becomes obvious — who is genuinely growing, who is stalling, and who is buying visibility rather than earning it. That shape is what a marketing team can actually act on.

How much traffic does my competitor get, really?

"How much traffic does my competitor get?" is the first question a marketing owner asks, and the honest answer is that nobody outside the competitor's own analytics knows the exact number. The tools estimate it, and the estimates disagree — often by a wide margin. What you can trust is the order of magnitude and the direction of travel.

To make that concrete, here are the bands our analysts use when a client asks how much traffic a competitor's website is really getting. Treat them as directional, and always compare a competitor against websites of similar age and niche rather than against a global average.

Modelled monthly traffic	What it usually means	How much confidence to put in the number
Under 5,000 sessions	New or small B2B website, likely under the tool's detection floor	Low — the estimate can be off by 3x either way
5,000 to 50,000	Established SME website with a working content or paid channel	Medium — trend reliable, absolute number roughly indicative
50,000 to 500,000	Scale-up website with a real content library and link base	Good — tools converge, trend is highly reliable
500,000+	Category leader; tools disagree on absolutes but agree on shape	Good on trend, poor on the label

What matters commercially is rarely the headline number. It is how much of that competitor traffic your website could plausibly capture, which comes back to keyword overlap, referring domain overlap, and the shape of each competitor's channel mix. A competitor with 200,000 monthly sessions almost entirely from branded search is a much weaker threat than one with 40,000 sessions from your exact commercial keywords.

How to monitor competitor websites over time

A single snapshot tells you where a competitor is today. What actually drives decisions is how their numbers move over the next two quarters — and that only shows up if your team monitors the same metrics on the same day of each month with the same tools. Consistency in what you track matters more than what you track.

What to track and monitor monthly

Five metrics cover almost every competitor question a small team will have. Track them, monitor them, log them, and skip the rest.

Estimated monthly traffic — from Similarweb, cross-checked with Ahrefs or Semrush. Track it every month.
Ranking keyword count — from Ahrefs. Monitor it monthly; a rising count signals a competitor is publishing content that ranks.
New referring domains — from Ahrefs. A spike means their team ran a link push worth investigating.
Top five pages by estimated traffic — from Semrush or Ahrefs. Tells you what content they are monetising, and what to track next month.
Branded search volume — from Google Trends. Monitor it monthly; rising branded search is the strongest signal their marketing is compounding.

Which tool sits where in the workflow

A one-tool workflow leaves gaps. A three-tool workflow eats a subscription budget nobody wants to justify. The middle ground — two tools plus one free source — is where most teams settle once the novelty wears off. Similarweb or Semrush for headline traffic, Ahrefs to track keyword and link depth, and Google Search Console to monitor your own website's ground truth.

Worth knowing

Tool numbers do not update in real time. Similarweb refreshes monthly, Ahrefs rolls its keyword database on a variable cadence, and Semrush updates positions weekly for tracked terms. Do not monitor daily — the noise will make your competitors look like they are moving when the underlying data has not changed.

Monthly workflow

One hour a month, four steps

A repeatable competitor website traffic analysis workflow the marketing owner can run alone.

Pull and track the numbers

Open your two tools, pull the five metrics above for each competitor, and drop them into the shared spreadsheet you use to track everything. Fifteen minutes if your list has five competitors.

Spot the moves

Look for any metric you track that changed more than 20 percent month over month. Those are the moves worth understanding — everything else is noise your team can ignore.

Investigate the top move

Open the competitor's website, find the new content, links or campaigns that explain the move. Screenshot the evidence and paste it into the same spreadsheet.

Write five lines

Summarise for the team: what changed, why it changed, what your marketing should do about it. A five-line summary read in a stand-up beats a 20-tab dashboard nobody opens.

One hour a month, two tools and a spreadsheet — enough to track what competitors are doing and monitor how their moves compare to yours.

What goes wrong

Six ways teams waste the analysis

Every mistake here is common on a competitor analysis programme — and every one turns useful data into a report nobody reads.

Trusting one tool

A single tool's number is a modelled guess. Two tools that agree within 30 percent are worth quoting; one tool alone is not.

Tracking too many competitors

Five is the ceiling most marketing teams can actually track monthly. Ten becomes a chore, twenty becomes abandoned, and the analysis dies inside a quarter.

Chasing the absolute number

Debating whether a competitor gets 42,000 or 58,000 monthly sessions is time your marketing team will never get back. Trend and channel mix change decisions; the label does not.

Skipping the spreadsheet

Without a monthly log, no trend exists. A screenshot in Slack is not an analysis — it is a snapshot that will be forgotten in a week.

No follow-through action

If nothing in the marketing plan changes because of the analysis, the analysis is decoration. Every monthly review must end with an owner and a next step.

Comparing to giants

Benchmarking a 12-month-old SME website against the category leader tells your team nothing useful. Compare like with like or the numbers demoralise everyone.

If your competitors are pulling ahead

Move the numbers your competitors watch

Once your competitor analysis shows a rival's Similarweb curve climbing on their traffic buys, our Similarweb traffic service and managed web traffic move your own website into the same reporting bracket — with a written plan, live dashboard and SLA.

Get a competitor audit → See traffic services →

Common questions

Competitor traffic analysis, answered

What SME marketing owners and agencies actually ask when they start monitoring competitor websites.

How much traffic does my competitor get, and can I see the real number?

You cannot see the exact number — only the competitor themselves can. What you can see is a modelled estimate from Similarweb, Semrush or Ahrefs, plus the search visibility those tools track. Use two tools rather than one, and treat the trend as more reliable than the absolute figure.

How do I get competitor website traffic estimates for free?

The free tiers of Similarweb, Ubersuggest and Semrush all show a monthly traffic estimate for any public domain. It is enough to spot which competitor is growing and which is stalling — buying a paid tool only becomes worthwhile once your marketing team wants to track keyword-level movement or referring domains in detail.

Which competitor traffic tool is the most accurate?

None of them are accurate in absolute terms — each tool models traffic from different panel data, and figures routinely differ by 30 to 60 percent across tools for the same competitor. Similarweb tends to over-estimate large B2C sites, Ahrefs under-estimates them, and Semrush lands somewhere between. Trust the trend line, not the label.

How often should a marketing team monitor competitor websites?

Monthly is enough for most SMEs. A weekly cadence adds noise without signal, and a quarterly cadence misses the moves worth reacting to. One hour a month with two tools, one shared spreadsheet and a five-line summary covers what most marketing teams actually need to track.

How many competitors should I track?

Five is the practical maximum for a one-person marketing function. Split them into three direct competitors and two aspirational competitors — enough to see the shape of the market without turning the analysis into a weekly chore.

What if a competitor's website traffic estimate looks suspiciously high?

Cross-check with a second tool and monitor their referring domains. If competitors' traffic is climbing while their ranking keyword count and referring domains are flat, they may be buying traffic rather than earning it. Useful information — it tells you how much of their visible growth is defensible.

Can I get competitor website traffic data without paying for a tool?

Yes, to a limited depth. Similarweb and Ubersuggest free tiers cover the headline monthly traffic estimate. Google Trends covers branded search interest over time. Together they answer the "how much" question well enough for most SMEs — the paid tools earn their subscription when your team needs keyword-level detail every month.

How does competitor analysis feed into our own marketing plan?

Every monthly analysis should end with one decision. If a competitor gained on branded search, your marketing plan needs a brand response. If they added referring domains, your team owes itself a link push. If nothing changed, do nothing — a quiet month for your competitors is a quiet month for your plan too.