Paste a competitor’s URL into Claude and ask how their SEO is doing, and you get a tidy answer. It will estimate their traffic, quote a domain authority, name their best keywords, and sound sure of all of it. Then you check the numbers against a real tool and they fall apart. The traffic figure was invented, the authority score was never Google’s to begin with, and the keyword list is a guess from stale training data.
A website SEO analysis is the domain-level view of a site. How much organic traffic it pulls, how strong it looks, what it ranks for, and which pages carry it. This is the read you want before you compete with a site, buy one, pitch a client, or study a rival that keeps outranking you. And almost every number in it is live data the model does not hold.
The usual advice is to plug Ahrefs into Claude and pay Ahrefs prices. This guide takes the cheaper route. It starts with the site data you can get for free, clears up one metric everyone quotes wrong, then shows what a website analysis looks like inside an agent once real domain data is flowing.
- Claude can’t see a site’s real numbers. Traffic, authority, and rankings need live data piped in over MCP.
- For your own site, Google Search Console gives real traffic and keyword data for free.
- Domain authority is not a Google metric. It is a third-party estimate, useful for comparing, not a ranking factor.
- ContextBolt SEO gives Claude any domain’s traffic, authority, and keywords for $35 a month flat, versus ~$129 for Ahrefs.
- Every domain number is an estimate. Use it to compare and decide, not as Google’s ledger.
Why Claude can’t analyze a site alone
A website SEO analysis is a domain-level health check: the site’s organic traffic, its authority, the keywords it ranks for, and its top pages. There is one thing Claude can genuinely do here without help, which is read a single page you paste in and comment on its titles and structure. Everything else in the list is live data it does not have.
Two things get in the way. The first is the training cutoff. Claude knows a site as it looked when its data was frozen, not today, and traffic and rankings move constantly. The second is that this data was never a clean dataset the model memorized. Traffic estimates and authority scores are computed by companies crawling the whole web. The model has an impression of which sites are big, not a live figure for any of them.
So “analyze this website’s SEO” with no data connection returns confident numbers with nothing behind them. It is the same gap behind every kind of live SEO work, which we covered for search volume in the keyword research with Claude guide. A domain analysis is where the invented numbers look most authoritative and are most wrong.
The fix is MCP, the open standard Anthropic introduced in late 2024 for connecting AI agents to live data. Connect Claude to a server that carries domain data and it stops guessing. It calls a tool, gets real estimates back, and reasons over them.
What a website SEO analysis actually answers
Before paying for anything, get clear on the questions. A domain analysis answers four.
How much traffic does it get? An estimate of monthly organic visits. This is the headline number that tells you whether a site is a minnow or a machine, and it is the one Claude fabricates most freely without data.
How strong is it? Here is the metric everyone quotes wrong. A domain rating is a 0 to 100 score of a site’s link strength, and Moz’s Domain Authority is the same idea. Both are useful shorthand for comparing sites. Neither is a Google ranking factor. Google has said many times it has no single site-authority score, so treat these as third-party estimates for judging a competitor’s strength, not as a number Google is scoring you on.
What does it rank for? The keywords the domain shows up for, with positions and volume. This tells you what a site is actually winning, which is often very different from what its homepage says it is about.
Which pages carry it? The top pages by traffic. This is the fastest way to understand a competitor’s real strategy, because it shows you the handful of pages doing the work.
Keep those four in mind. Every tool below is a different way to get the data behind them. Note that this is the domain-level view. Auditing the guts of a single page is a separate job, covered in on-page SEO audit with Claude.
Start free: the site data you already have
For your own site, you can answer most of this without spending a cent, and with better data than any third-party tool.
Google Search Console: For a site you own and verify, the Performance report shows real clicks, real impressions, and the exact keywords you rank for, straight from Google. This is not an estimate. It is the ground truth, and it beats any paid tool for your own domain. You can pipe it into your agent too, covered in connect Google Search Console to AI.
Free domain checkers: For a site you do not own, most big tools offer a free, shallow lookup that returns a rough authority score and a few top keywords. Enough to size a domain up at a glance, not enough to study it.
Here is the honest verdict on the free path. For your own site, Search Console is the best data there is, full stop. For analyzing any other domain at depth, the traffic, the full keyword footprint, the top-page breakdown, you hit the ceiling quickly. That is where a paid dataset earns its place, and where connecting it to your agent pays off.
The paid path: connect domain data to Claude
Once you need to analyze any site, not just your own, you are buying access to someone’s crawl of the web. Four options show up most.
Ahrefs MCP: Ahrefs ships an official MCP server with strong domain data. It is tied to your Ahrefs plan, and the cheapest tier that does real work runs about $129 a month.
Semrush MCP: The same shape. Official server, strong data, tied to a plan near $140 a month. Semrush even published its own guide to wiring its data into Claude Code, which tells you where this is all heading.
DataForSEO MCP: The wholesale data behind much of the industry, with a free MCP server. Cheap, pay-as-you-go, but a raw developer tool you self-host and manage. The full setup is in our DataForSEO MCP guide.
ContextBolt SEO: A hosted MCP server that wraps that same wholesale data into clean tools for a flat $35 a month. This is the one I build, so weigh the bias, but the domain tool is why I wrote this post.
| Option | Cost | Analyzes any site | Setup |
|---|---|---|---|
| Google Search Console | Free | Your site only | Verify site, connect MCP |
| Free domain checker | Free | Yes, shallow | None, web tool |
| Ahrefs MCP | ~$129/mo plan | Yes, deep | Ahrefs plan + MCP |
| Semrush MCP | ~$140/mo plan | Yes, deep | Semrush plan + MCP |
| DataForSEO MCP | Pay-as-you-go | Yes | Account, deposit, self-host |
| ContextBolt SEO | $35/mo flat | Yes | One URL, no account setup |
Website analysis with ContextBolt SEO
ContextBolt SEO is a hosted SEO MCP server. You subscribe at $35 a month, paste one URL into Claude, Cursor, or Codex, and ask in plain language. There is no dashboard, because the agent is the interface. Two tools do the domain work, each costing a few credits from your 1,000 monthly.
domain_overview takes any domain and returns estimated organic traffic, a domain rating, the ranked-keyword count, and the top pages, then reads what the numbers mean. Ask “analyze the SEO of getdewey.co” and you get the headline metrics plus a verdict, like “roughly 2,400 monthly organic visits, domain rating 18, most traffic concentrated on three comparison pages.” ranked_keywords goes deeper on the keyword footprint, listing what the site actually ranks for so you can see its real strategy rather than its stated one.
The honest framing is the line I hold everywhere. ContextBolt SEO returns Ahrefs-grade domain data, not the same numbers as Ahrefs. It sits on DataForSEO’s index, which is decision-useful and directionally accurate, the same class of data quietly powering tools you already trust. Traffic figures especially are estimates, and estimates differ between tools, so use them to compare and decide, not to quote a competitor’s revenue to two decimal places.
Where it pulls ahead for this audience is price and memory. Analyzing a site is bursty. You do it when you scope a competitor or vet an acquisition, then not again for weeks. Paying $129 every month for that is poor value, and $35 flat fits it far better. Every lookup saves to a ./seo-findings/ folder as markdown, so the domain you analyzed last month is there to compare, and the agent leads with what changed since.
A real website analysis workflow inside Claude
Tools are abstract until you see them run in order. Here is the loop I use.
- Get the overview: Ask for the domain overview of the site. Traffic, domain rating, keyword count, top pages, all at once. This is your snapshot.
- Read the top pages: Ask what the top pages tell you about the site’s strategy. The pages doing the traffic reveal the real plan, which often is not what the homepage claims.
- Study the keyword footprint: Ask for the keywords it ranks for, grouped by theme. Now you see the topics it owns and the ones it is only dabbling in.
- Compare to yourself: Run your own domain and put the two side by side. This turns a lone analysis into a plan, and it flows naturally into a full competitor analysis.
- Drill in where it matters: For the one page that matters most, drop from the domain view into an on-page audit and see how it is actually built. That drilldown is a tool now, not just a concept. Ask it to audit that page and it checks the title, headings, and technical basics, then hands back a fix-list, worst first.
You are not clicking through dashboard tabs and exporting CSVs. You are asking one place, and the agent holds the whole picture in the thread while you move from the domain down to the page.
The honest limits
Website analysis in an agent is not magic, and pretending otherwise would be the marketing this blog avoids.
The numbers are estimates. No third-party tool sees a site’s real traffic, so a traffic figure is a model’s best guess and two tools will disagree, sometimes by a lot. Authority scores are worse, because they are not even trying to measure a Google metric, since Google does not publish one. Use all of it to compare sites and make calls, never to state a competitor’s numbers as fact.
And the agent can still read the data wrong. It might call a site weak because its domain rating is low while missing that it dominates a lucrative niche with ten perfect pages. Treat it as a fast analyst that surfaces the numbers, and keep the judgment about what they mean for yourself.
None of that changes the core point. What made website analysis feel like a paid-tool job was never the data alone. It was the dashboard you had to learn and keep paying for. Once the domain data flows into the agent you already work in, the question stops being “which tool do I buy” and becomes “how do I beat this site.” For most people doing their own SEO, that is the only question the analysis was ever for.