SEO & marketing tools / Site audit16 tools
Best SEO site audit tools
Crawl a site and find technical SEO problems. Facts come from each tool's own pages, and every score says where it comes from. How we rank
- Tools
- 16
- Researched
- 11
- Free option
- 5
- Only listed
- 5
Ranked by signals we can measure or quote: website health, the facts each tool's own pages state, and community discussion. Nothing here has been hands-on tested yet, so this is not a quality test. How the signals rank works
Want two of these head to head? Compare tools side by side.
Details and sources
- Free tier
- A free plan at $0 per month, no credit card required. Limits: 1 demo project and 10 reports per day across its tools. A 7-day free trial of paid plans is also offered.
- Paid plan
- Billed annually, per month: SEO $117.33, Starter $165.17, Pro+ $248.17. Monthly billing is $139, $199 and $299. Advanced and Enterprise are custom priced. Prices shown in US dollars; the page does not say if they vary by country.
- Signup
- Not stated. The free plan button links to a signup page.
- Watermark
- Not stated.
- Where files go
- Semrush is US-based. Data may be transferred to the US, other countries and US service providers. Personal data is kept as long as reasonably necessary, then anonymized or deleted. No specific retention periods are given.
From the tool's own pages, checked 2026-11-01. Sources: Semrush pricing, Semrush privacy policy. Prices and limits change; check the tool before you rely on them.
Details and sources
- Free tier
- Not stated.
- Paid plan
- Not stated.
- Signup
- Not stated.
- Watermark
- Not stated.
- Where files go
- SE Ranking stores data in its databases. The page says: “We regularly expand our databases and securely store them.”
From the tool's own pages, checked 2026-11-04. Sources: Home. Prices and limits change; check the tool before you rely on them.
Read automatically by a program, not by a person. Each fact quotes the sentence it came from, and a fact is shown only if that sentence is on the page. Where a page did not say, it reads “Not stated.”
Details and sources
- Free tier
- Not stated.
- Paid plan
- Not stated.
- Signup
- A signup is required to use the service. The page says: “(By clicking “Sign up”, you agree to receive our newsletter.”
- Watermark
- Not stated.
- Where files go
- The personal data processed by the website is hosted on servers located within the European Union. The page says: “The personal data processed by our website is exclusively hosted on servers located within the European Union.”
From the tool's own pages, checked 2026-11-08. Sources: Privacy. Prices and limits change; check the tool before you rely on them.
Read automatically by a program, not by a person. Each fact quotes the sentence it came from, and a fact is shown only if that sentence is on the page. Where a page did not say, it reads “Not stated.”
- 4UnclearSignup unclearFile handling unclearHealth 4.2
Details and sources
- Free tier
- Not stated.
- Paid plan
- Not stated.
- Signup
- Users must start now to access Google Search Console. The page says: “Google Search Console . . . . Start now . . . . . Improve your performance on Google Search. Search Console tools and reports help you measure your site's Search traffic and performance, fix issues, and make your site shine in Google Search results.”
- Watermark
- Not stated.
- Where files go
- Not stated.
From the tool's own pages, checked 2026-11-04. Sources: Home. Prices and limits change; check the tool before you rely on them.
Read automatically by a program, not by a person. Each fact quotes the sentence it came from, and a fact is shown only if that sentence is on the page. Where a page did not say, it reads “Not stated.”
Details and sources
- Free tier
- The AI Internal Linker tool is free forever. The page says: “AI Internal Linker free forever.”
- Paid plan
- Not stated.
- Signup
- An account is required to use the platform. The page says: “We open access after your demo and create a trial account for your site.”
- Watermark
- Not stated.
- Where files go
- Data is processed and stored in a secure cloud infrastructure. The page says: “Data Security Secure cloud infrastructure for your site data.”
From the tool's own pages, checked 2026-11-08. Sources: Home, Pricing. Prices and limits change; check the tool before you rely on them.
Read automatically by a program, not by a person. Each fact quotes the sentence it came from, and a fact is shown only if that sentence is on the page. Where a page did not say, it reads “Not stated.”
Details and sources
- Free tier
- Free Basic plan with no time limit: 1 website project, 10 tracked keywords, 5 daily tool credits, a limited Website Audit, 100 pages per crawl, 3 tracked AI prompts.
- Paid plan
- Prices in EUR excluding VAT. Premium 59.90/month or 575.04/year; Professional 99.90/month or 959.04/year; Agency 209.90/month or 2,015.04/year. 14-day trial on each plan; payment method required at signup.
- Signup
- Account required (free Basic account via sign up).
- Watermark
- Not stated.
- Where files go
- Not stated. The privacy page covers website visitor and third-party service data and does not say whether site data analysed is uploaded or how long it is kept.
From the tool's own pages, checked 2026-11-01. Sources: Pricing, Privacy. Prices and limits change; check the tool before you rely on them.
Details and sources
- Free tier
- Not stated.
- Paid plan
- Not stated.
- Signup
- A login is required to access the platform. The page says: “GET A DEMO log in GET A DEMO.”
- Watermark
- Not stated.
- Where files go
- Not stated.
From the tool's own pages, checked 2026-11-08. Sources: Home. Prices and limits change; check the tool before you rely on them.
Read automatically by a program, not by a person. Each fact quotes the sentence it came from, and a fact is shown only if that sentence is on the page. Where a page did not say, it reads “Not stated.”
Details and sources
- Free tier
- The pricing page lists an Ahrefs Free option to get data on your own site. It does not state its limits.
- Paid plan
- Per month: Starter $29, Lite $129, Standard $249, Advanced $449, Enterprise $1,499 with an annual commitment. Annual payment saves up to 17%. The page does not say if prices vary by country.
- Signup
- Not stated. Plan buttons link to signup pages.
- Watermark
- Not stated.
- Where files go
- Not stated.
From the tool's own pages, checked 2026-11-01. Sources: Ahrefs pricing. Prices and limits change; check the tool before you rely on them.
Details and sources
- Free tier
- Not stated.
- Paid plan
- Not stated.
- Signup
- Not stated.
- Watermark
- Not stated.
- Where files go
- The privacy policy does not say where data is stored. Usage data is usually kept for ten years or until consent is withdrawn. After account deletion, some data is kept for regulatory and service needs and other data is deleted within 72 hours.
From the tool's own pages, checked 2026-11-01. Sources: Serpstat privacy policy. Prices and limits change; check the tool before you rely on them.
- 10Free optionSignup unclearFile handling unclearHealth 3.6
Details and sources
- Free tier
- Bing Webmaster Tools offers free SEO and GEO tools to help improve page rankings on Bing search results. The page says: “Want more users for your site? Get your site's performance data, take advantage of free SEO/GEO tools and analyse insights to improve your page rankings on Bing search results.”
- Paid plan
- Not stated.
- Signup
- Users must sign up to access the tools and insights. The page says: “Dashboard SEO/GEO tools Reporting tools Diagnostic tools Communication Sign Up to see more insights.”
- Watermark
- Not stated.
- Where files go
- Not stated.
From the tool's own pages, checked 2026-11-04. Sources: Home. Prices and limits change; check the tool before you rely on them.
Read automatically by a program, not by a person. Each fact quotes the sentence it came from, and a fact is shown only if that sentence is on the page. Where a page did not say, it reads “Not stated.”
Details and sources
- Free tier
- Not stated.
- Paid plan
- Lumar offers flexible pricing and packaging options tailored to specific team use cases and requirements. The page says: “Lumar’s flexible pricing and packaging options make it easy to build your ideal website optimization, SEO, and GEO/AEO (AI search) platform, tailored to your team’s specific use cases and requirements.”
- Signup
- Not stated.
- Watermark
- Not stated.
- Where files go
- Lumar is a cloud-based platform that processes and stores data on servers. The page says: “As a world-leading cloud-based website intelligence platform, we have long understood the importance of keeping our customers’ data private and secure.”
From the tool's own pages, checked 2026-11-08. Sources: Pricing. Prices and limits change; check the tool before you rely on them.
Read automatically by a program, not by a person. Each fact quotes the sentence it came from, and a fact is shown only if that sentence is on the page. Where a page did not say, it reads “Not stated.”
Answers come from each tool's own pages (“Unclear” means they do not say). Tick “Compare” on two to four tools to read them side by side.
Also listed (5, not yet tested)
Each of these answered when we visited its site. We have not tested them or recorded facts, so they are in alphabetical order, not ranked.
- Rank MathOpen
Rank Math is a powerful WordPress SEO plugin that helps optimize your site, improve rankings, and drive more organic traffic. Get started for free.
- Screaming FrogOpen
We run remarkably successful search engine optimisation (SEO) and paid search (PPC) campaigns using a unique blend of data, technology & creativity.
- SitebulbOpen
Sitebulb is the revolutionary website crawler for better SEO audits. Twice winner of Best Search Software Tool. Desktop & Cloud crawling without compromise!
- WoorankOpen
Our easy-to-use SEO tools will help you optimize your online presence, grow your business and generate more leads.
- Yoast SEOOpen
Yoast helps you with your website's search engine optimization, with our internationally loved software and our online SEO courses.
Other SEO & marketing tools rankings
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