Semrush sells more than 20 SEO tools, and its sign-up flow points you straight at a $299-a-month trial. You don’t have to take it. We skipped the trial, kept a free account, and ran four of those tools on a real website to see how far the free account goes before it stops.
What This Semrush SEO Tools Review Covers
Semrush’s SEO Toolkit “contains more than 20 tools and reports,” according to its own SEO Toolkit guide. A free account can open many of them, but each one has its own cap, and none of those caps appear on one page.
That’s the problem this review solves. Search for Semrush SEO tools in the US and almost every top result is a Semrush page. Those pages explain features well. They don’t tell you what a brand-new free user actually gets, tool by tool, or where the free account runs out.
We’re an independent site that tests creator tools on free plans and no-card trials. For Semrush, we ran a site audit, a backlink check, a rank-tracking setup and a keyword lookup on one free account, on one day, on a small marketing website our own team runs.
Can a free account really tell you anything useful about a tool this big? It can, as long as you know which limit each tool will hit first. That’s what the rest of this review lays out.
Key Takeaways
A free Semrush account includes 10 reports per day across all vital tools (Semrush). On that account we ran a site audit, a backlink check, rank tracking and a keyword lookup, and every tool returned solid data. The caps are the catch, and the default sign-up path is a paid trial.
Quick Verdict: Is a Free Semrush Account Enough for SEO?
Yes, for checking one small site and a short keyword list: our free account ran four separate SEO tools end to end, and the Site Audit alone crawled 100 of 100 pages and returned a Site Health score of 89%. No, if you manage several sites or need to research at volume; the free account allows 10 reports a day across all tools (Semrush).
| What we found | |
|---|---|
| Best for | One small website, a handful of keywords, occasional checks |
| Tools we ran | Keyword Overview, Site Audit, Backlink Analytics, Position Tracking |
| Biggest free limits | 100 pages per audit, 10 tracked keywords, 10 reports a day |
| Biggest friction | Sign-up ends on a $299/month Pro+ trial offer; the free path is a smaller “Skip trial” button |
| Not tested by us | Paid toolkits, Semrush One AI visibility, Keyword Magic Tool, On Page SEO Checker, Log File Analyzer |
Is that enough to choose Semrush as your main SEO tool? Not on its own. It is enough to find real problems on your own site this week, at no cost. If you want to try the same setup, start at the Semrush sign-up page and look for “Skip trial” on the last screen.
How We Tested Semrush’s SEO Tools
We tested Semrush on October 21, 2026, on a free account created with Google sign-in and no card entered. Every SEO tool we review goes through the same six tasks, so results can be compared across tools later:
- Sign up and record every screen.
- Research one English keyword in the US database.
- Run a site audit on our own website.
- Look up backlinks for the same domain.
- Set up rank tracking for one keyword.
- Write down every free limit the tool shows.
The test site is a small marketing website our own team runs. It’s a young site with few links, which makes it a fair stand-in for most readers of this review: a creator, a freelancer or a small business that hasn’t hired an SEO agency.
We copied numbers straight from the screen and kept masked screenshots of each step. When this review says “we saw,” the line comes from that log. When it describes a tool we didn’t open, it says so and cites Semrush’s own documentation instead.
Why test on our own site rather than a famous one? Because a big brand’s numbers tell you nothing about what Semrush will find on yours. A low-authority site shows the free account’s limits much faster.
Signing Up: The Pro+ Trial Path vs the Skip Trial Button
Semrush’s sign-up ended on a plan page that read “This is your best plan match — Pro+ $299/mo … 7 days free, then $299/mo,” with “Get free trial” as the main button and “Skip trial” as the smaller one. We pressed “Skip trial” and landed in a free account.
The steps before that were quick. Google sign-in asked only for our name, profile picture and email address. Then Semrush asked three survey questions: our role, our experience level and our marketing focus.
Where could a beginner slip? On that last screen. The trial is the obvious choice on the page, and a 7-day trial that turns into $299 a month is a big jump if you only wanted to audit one small site.
If you do want the trial, Semrush’s own pricing page says “Try Semrush free for seven days. Cancel anytime” (Semrush pricing). The FTC’s advice for any free trial applies here too: “Find the terms and conditions for the offer,” then “make a note on your calendar to remind you to cancel before the trial ends” (FTC consumer advice).
One more thing we noticed after sign-up: the account area has no page that sums up what the free account includes. The limits show up one tool at a time, the first time you open each tool.
The Semrush SEO Toolkit at a Glance: What Each Tool Is For
Semrush groups its SEO tools into six areas: competitive research, keyword research, link building, on-page and technical SEO, content ideas, and a dashboard (Semrush SEO Toolkit guide). The SEO Toolkit is one of eight toolkits Semrush now sells, next to AI Visibility, Traffic & Market, Local, Content, Social, Advertising and AI PR (Semrush subscriptions).
Which of those SEO tools work on a free account, and how far? The table below combines Semrush’s own free-account guide, published December 10, 2025, with what we saw in our test. “Docs only” means we did not open the tool ourselves.
| Tool | What it’s for | Free account limit (per Semrush) | Our status |
|---|---|---|---|
| Keyword Overview | Metrics for one keyword | Shares the 10 keyword research queries a day | Tested |
| Keyword Magic Tool | Keyword ideas from a seed term | Shares the same 10 queries a day | Docs only |
| Domain Overview | Snapshot of any domain’s SEO and AI visibility | 10 queries a day | Docs only |
| Backlink Analytics | Who links to a site | 10 searches a day | Tested |
| Site Audit | Technical and on-page issues | 100 pages per month | Tested |
| Position Tracking | Daily rankings for chosen keywords | 10 keywords | Tested |
| On Page SEO Checker | Page-level ideas for target keywords | 1 campaign, 10 pages or keywords | Docs only |
| SEO Writing Assistant | Checks a draft against SEO advice | 1 piece of content | Docs only |
Sources for the limits: Semrush’s guide to what you can do with a free account and the Site Audit documentation.
The free account also includes tools outside the SEO Toolkit. Semrush lists a Map Rank Tracker with 50 free credits per month and a set of AI writing tools, such as a Title Generator and a Paraphrasing Tool, each with three free uses per day and up to 300 words of output (Semrush). We didn’t test those, so we won’t rate them here.
What about the tools in the sidebar that we haven’t named yet, like Organic Rankings, Top Pages, Keyword Gap, Backlink Gap and Backlink Audit? They’re part of the same toolkit. We didn’t open them in this round, and Semrush’s free-account guide doesn’t give a separate limit for each, so check the cap inside each tool before you rely on it.
Keyword Overview: What One Lookup Returned
Keyword Overview showed a US search volume of 9.9K for “generative engine optimization,” with a Keyword Difficulty of 72% labeled “Hard.” The same screen listed a global volume of 22.9K, an Informational intent and a CPC of $14.49.
That’s a lot of data for one free query. It also came with a nudge. Right on the page, Semrush added: “Go beyond basic volume and discover advanced metrics with Semrush Pro.” So the free view is a summary, and the deeper keyword reports sit behind a paid plan.
How should a free user spend keyword lookups? Every new search in any Semrush keyword tool counts toward the same daily limit (Semrush). Pick the keyword first, then check it.
We wrote a separate, much longer review of this one tool: what each of the seven metrics means, how Semrush’s difficulty bands work, and a step-by-step keyword workflow. If keyword research is why you’re looking at Semrush, read our full review of keyword research on a free Semrush account next.
Site Audit: 100 Pages, an 89% Site Health Score and AI Search Health
Site Audit crawled 100 of 100 pages on our test site in a few minutes and returned a Site Health score of 89%, against 92% for what Semrush labels the top-10% of websites. It was the most useful thing the free account did for us, because it handed us a ranked list of fixes.
Here’s what the audit screen showed:
| Metric | What Semrush showed |
|---|---|
| Site Health | 89% (top-10% websites: 92%) |
| Pages crawled | 100/100 (Healthy 4, Broken 2, Have issues 93, Blocked 1) |
| AI Search Health (beta) | 95% |
| Errors | 97 |
| Warnings | 159 |
The setup screen read “Limit per audit 100 pages” and set the schedule to “Weekly, Every Friday” by default. Semrush’s documentation adds a second limit we didn’t see in-app: without the SEO Toolkit, the crawl allowance is 100 pages per month, one audit at a time, and leftover pages don’t roll over (Semrush Site Audit).
What does that mean in practice? One full 100-page audit a month on a free account. If your site has more than 100 pages, the audit stops at the cap.
What the Site Health score measures
Semrush says Site Health “is based on the number of your total errors and total warnings,” and that “errors have more impact on your Site Health Score than warnings” (Semrush). Notices count for less. Fixing every instance of one issue moves the score more than fixing two scattered issues from different checks.
The audit itself runs “over 140 on-page and technical SEO checks” (Semrush Site Audit). So a fairly high score can sit next to a long error list. In our audit, a single issue type, broken internal links, showed up on 93 pages.
The top issues on our site
The audit ranked five issues at the top:
- Broken internal links, on 93 pages
- Low text to HTML ratio, on 89 pages
- Low word count, on 36 pages
- Content not optimized for AI Search, on 4 pages
- 4xx errors, on 1 page
What surprised us was the first line. Broken internal links on 93 of 100 pages sounds like a disaster. Before you panic about a number like that on your own site, open the issue and check whether the same link repeats on every page. A broken link in a shared menu or footer would show up exactly this way, and one fix would clear it.
AI Search Health and the “Blocked from AI Search” panel
AI Search Health is a newer score, marked beta in our audit. Semrush describes it as “a score that reflects how optimized your website is for AI search,” built from AI search checks, AI bot access in robots.txt, and technical readiness such as schema markup, internal links and llms.txt (Semrush). Our site scored 95%.
The overview also showed a “Blocked from AI Search” panel naming ChatGPT-User, OAI-SearchBot, Googlebot and Google-Extended. Semrush says this check “shows how many pages from those checked in your audit are blocked from any specific AI search engine bots via robots.txt” (Semrush). We didn’t open its detail view in this test.
Does a free account need to care about AI search at all? If your readers ask ChatGPT or Gemini for recommendations, yes. For dedicated tools that track how often AI answers mention your brand, see our GEO tools comparison of Otterly.AI and Writesonic.
Backlink Analytics and Authority Score on a Low-Authority Site
Backlink Analytics returned 46 referring domains and 2.7K backlinks for our test site, with an Authority Score of 7, labeled “Low authority.” The free account gave us the full summary for that one lookup.
| Metric | What Semrush showed |
|---|---|
| Referring Domains | 46 (up 12%) |
| Backlinks | 2.7K |
| Authority Score | 7, “Low authority” |
| Monthly Visits | 329 |
| Organic Traffic | 21 |
| Outbound Domains | 96 |
The screen also said “Live Update: 1 backlink found today.” That’s a nice touch. It suggests the link index keeps updating, rather than replaying an old snapshot.
How many backlink lookups does a free account get? Semrush says “you can run up to 10 searches per day” in Backlink Analytics (Semrush). That’s enough to check your own site and a few competitors each day.
How to read a low Authority Score
Authority Score is Semrush’s “compound metric that grades the overall quality of a website or a webpage,” on a scale of 1 to 100, built from three parts: link power, organic traffic and spam factors (Semrush Authority Score).
A score of 7 looks harsh. Semrush’s own FAQ is calmer about it: “a low score is not necessarily indicative of a spammy domain.” The same page says the score “is best used for domain comparison, and not for determining good/bad on an absolute scale.”
So what should you do with your own number? Compare it with the sites you actually compete against. If they sit at 10 to 15 and you’re at 7, the gap is small. If they sit at 50, you know you need links before you need more content.
Honestly, 2.7K backlinks from only 46 domains told us more than the score did. That works out to roughly 59 links per linking domain on average, so a few sites link to us many times each. That’s worth knowing before you start outreach.
Position Tracking: 10 Keywords and ChatGPT or Gemini as Search Engines
Position Tracking let us track 1 of 10 allowed keywords on the free account, and the list of search engines included ChatGPT and Gemini next to Google. We set up Google, Desktop, United States, English, added one keyword and pressed “Start Tracking.”
Right after we started, the screen read “Keywords: 1 — Gathering keywords data: 0/1.” Rankings don’t appear instantly. When we wrote our test log, the data was still gathering, so this review has no ranking result to report.
Semrush’s documentation confirms the cap: without the SEO Toolkit, Position Tracking covers “10 keywords across 1 website to monitor.” It also explains the schedule: “The tool tracks daily results for 60 days,” after which it keeps weekly snapshots (Semrush Position Tracking).
Is 10 keywords enough? For a small site, it covers your most important pages. Pick the keywords tied to the pages that bring in sign-ups or sales, not the broad terms you’d like to rank for someday.
Seeing ChatGPT and Gemini in the engine list was the most forward-looking moment of the test. We only tracked Google, so we can’t say how the AI engines behave on a free account. If tracking AI answers is your main goal, our roundup of the best AI SEO tools covers tools built for that job.
Free Account Limits vs Paid Plans: What We Saw and What Semrush Lists
The in-app subscription page listed three paid plans, Starter at $199/month, Pro+ at $299/month and Advanced at $549/month, and no summary of the free account. Semrush’s public pricing page and its documentation add a few more pieces to that picture.
The free account limits in one place
Because Semrush doesn’t sum them up, here are the free limits from our test and Semrush’s documentation together:
- Reports: 10 reports per day across all vital tools, and 1 demo project (Semrush).
- Site Audit: 100 pages per audit (seen in-app), 100 pages per month (Semrush).
- Position Tracking: 10 keywords (seen in-app as “Keyword limit 1/10”).
- Backlink Analytics: up to 10 searches per day (Semrush).
- On Page SEO Checker: one campaign with 10 pages or keywords (same source).
- AI Visibility: “a limited set of AI Visibility features” (Semrush).
Paid plan prices
Prices differ depending on where you look, so here’s each source side by side.
| Plan | In-app subscription page (our test) | Public pricing page, monthly billing |
|---|---|---|
| Free | Not listed | $0/month, 1 demo project, 10 reports per day |
| SEO | Not listed | $139/month |
| Starter | $199/month | $199/month |
| Pro+ | $299/month | $299/month |
| Advanced | $549/month | Custom, request a demo |
The public figures come from Semrush’s SEO + AI Search pricing page, which also lists lower monthly rates for annual billing: $117.33 for SEO, $165.17 for Starter and $248.17 for Pro+.
What do the paid plans add? On that same page, the SEO and Starter plans cover 5 websites and 500 keywords tracked daily, and Pro+ covers 15 websites and 1,500 keywords. Starter and Pro+ add AI prompt tracking: 50 and 100 prompts a day.
Older plan names you may still see
Some Semrush help pages still use older SEO Toolkit tier names: Pro at $139.95/month, Guru at $249.95/month and Business at $499.95/month (Semrush). The Site Audit page lists limits under the same names. If a guide quotes “Guru” or “Business,” it is using that naming; check the current pricing page before you pay.
Is the jump from $0 to $139 worth it? Only if the free caps are what’s holding you back. If you check one site once a month and track fewer than 10 keywords, the free account already covers your routine.
What We Could Not Test on a Free Account
Three things in our test plan stayed out of reach on the free account: the Pro trial with its paid toolkits, Semrush One’s AI visibility and prompt tracking, and an actual ranking result for our tracked keyword. Here’s why each one is missing.
- The Pro trial and paid toolkits. Starting the trial would turn into a paid plan after 7 days, and our test rule is no card, no paid plan.
- AI visibility and prompt tracking (Semrush One). The subscription page showed these on paid plans only.
- A ranking result. Position Tracking was still gathering data when we wrote our log.
Several tools we simply didn’t open in this round: Keyword Magic Tool, Domain Overview, On Page SEO Checker, Backlink Audit and Log File Analyzer. Semrush describes the Log File Analyzer as a place where you drag and drop your server log files to see how Googlebot crawls your site (Semrush blog). We haven’t checked whether a free account can use it.
Why spell this out? Because a review that guesses about untested features reads the same as one that tested them. We’d rather show you exactly where our evidence stops. When we test these tools, we’ll add the results and link to the full write-ups.
Who Should Use Semrush for SEO, and Who Should Start Elsewhere
Use the free Semrush account if you run one small site and want a trustworthy technical audit plus a backlink summary at no cost; our free audit found 97 errors across 100 pages, ranked by impact. Look elsewhere, or budget for a paid plan, if you manage several sites or need hundreds of keyword ideas in one session. This section is our judgment, based on the limits above.
Here’s how we’d sort readers:
- Bloggers and solo creators: the free account covers a monthly audit, a backlink check and up to 10 tracked keywords. That’s a solid routine for one site.
- Small businesses: run the audit first and fix the top issue. It’s the fastest win the free account offers.
- Freelancers with a few clients: one demo project and 100 pages a month won’t stretch across clients. You’ll hit the wall in the first week.
- Agencies and full-time SEOs: the free account is a preview. The paid plans, with 5 to 15 websites and 500 to 1,500 tracked keywords, are built for your workload.
Not sure where you fit? Count the sites you’re responsible for. If the answer is one, start free and see which cap you hit first. If it’s more than one, the free account will only show you what the paid one does.
Whichever group you’re in, keep one habit from our test. Decide what you want to learn before you open a tool. On a free account, each report is a budget item.
Further Reading
- Semrush keyword research review: what a free account shows
- Otterly.AI vs Writesonic for AI search tracking, tested side by side
- Best AI SEO tools in 2026: what we tested and what to skip
References
- Semrush Knowledge Base: SEO Toolkit
- Semrush Knowledge Base: Subscriptions and Toolkits
- Semrush: What Can You Do with a Free Semrush Account?
- Semrush Knowledge Base: Site Audit
- Semrush Knowledge Base: How is Site Health Score calculated in the Site Audit tool?
- Semrush Knowledge Base: AI Search Health in Site Audit
- Semrush Knowledge Base: Blocked from AI Search in Site Audit
- Semrush Knowledge Base: What is Authority Score?
- Semrush Knowledge Base: What is Position Tracking?
- Semrush Knowledge Base: Google Analytics and Search Console
- Semrush Knowledge Base: SEO Toolkit Pricing and Plans
- Semrush: SEO + AI Search pricing
- Semrush: What Is a Log File Analysis?
- FTC: Getting In and Out of Free Trials, Auto-Renewals, and Negative Option Subscriptions