If you've researched website audit tools, you've almost certainly seen SEMrush come up - it's one of the biggest names in SEO software. But SEMrush Site Audit and AuditCrow solve different problems for different people. Here's an honest comparison.
First, the honest version
SEMrush Site Audit does things AuditCrow's free scan does not: whole-domain crawls, scheduled recurring audits with run-over-run history, and a severity-ranked backlog your dev and content teams can split up. The free scan audits one page at a time - it is the taster for the full AuditCrow platform, which audits sites as a whole on a weekly cadence and is in beta with no paid plans published yet. If you manage a large site and need domain-wide crawl data on a schedule today, SEMrush is built and shipping for exactly that.
AuditCrow's job is different: a free, no-signup, plain-English read on a single page, prioritised by impact and effort, including AI-readiness checks a classic SEO crawler doesn't run. Rather than ask you to believe that, we publish a real, unedited report you can read first.
What Is SEMrush Site Audit?
SEMrush Site Audit is one module inside the full SEMrush suite - the same platform that also covers keyword research, competitor analysis, backlink tracking, paid ads, and more. It crawls your entire site to uncover issues that can limit search visibility, with scheduled recurring audits so you can track progress run over run, and it hands your team a prioritised, severity-ranked backlog of fixes (split out for dev vs content work).
The catch: Site Audit isn't sold on its own. There's no standalone "just give me a site audit" plan - it comes bundled inside a SEMrush subscription alongside dozens of other tools most small businesses won't touch. Pricing for the wider suite starts well above what a single-page, one-off check would ever cost, and the interface is built for people who already think in SEO terminology.
What AuditCrow Does Differently
AuditCrow is built for the opposite end of that spectrum: no suite to learn, no subscription to commit to before you know if you need it. You enter a URL, and we scan the page you provide across structure, SEO, speed, content, trust, accessibility, and AI readiness - then hand back a single prioritised report in plain English, with a difficulty rating on every issue so you know where to start.
- No suite, no seat licence - just the page you need checked, right now.
- Plain-language findings - no SEO-suite jargon to translate first.
- Proof before you type anything - the full sample report is published, unedited.
The Key Differences
| | AuditCrow (free scan) | SEMrush Site Audit | |---|---|---| | Sold standalone? | Yes - free, no suite | No - bundled into the SEMrush suite | | Audience | Business owners, marketers | Agencies, in-house SEO teams | | Scope per run | Single page | Whole-site crawl | | Recurring/scheduled audits | No - one-off scan | Yes | | AI readiness checks | Yes - built in | Different focus | | Report language | Plain English, prioritised | SEO-terminology, severity-grouped | | Cost to get started | Free | Requires a paid SEMrush subscription |
And the full platform? Against the paid SEMrush suite, the AuditCrow platform (in beta) is the closer comparison: scheduled site-wide audits (weekly refresh, monthly full re-audit), connected Search Console, Analytics and Business Profile data, keyword and competitor data, uptime monitoring, and a plain-English action plan steered by your goals via six specialist AI analysts. SEMrush still carries more breadth - ads data, deep backlink tooling, position tracking - and it is launched today. No AuditCrow paid plans are published yet - the waitlist gets first access.
When to Choose SEMrush
- You need the wider suite today: paid-ads research, deep backlink tooling, position tracking.
- You already use SEMrush (or plan to) for keyword research or competitor tracking - Site Audit is a bonus on top of a suite you're paying for anyway.
- You need a mature, launched product now rather than a beta.
When to Choose AuditCrow
- You want a fast answer on one page - your homepage, a new landing page, or a page you just edited - without committing to a full SEO platform.
- You're not an SEO specialist and want a report you can read and act on immediately - read one first.
- You want to try before you commit to anything - AuditCrow's single-page scan is free, no card required.
Can You Use Both?
Yes, and many teams do: SEMrush for ongoing, whole-site technical health once you've invested in the suite, and AuditCrow for a fast, no-signup gut-check on a specific page before it ships. Run a free scan with AuditCrow first - if what you actually need is whole-domain crawl data and you're already paying for a suite, SEMrush's Site Audit is the natural next step.
For more comparisons, see best free website audit tools 2026, or how we stack up against Screaming Frog, SEOptimer, and Google Lighthouse.