14 Free SEO Audit Tools to Check Your Site in 2026

Free SEO audit tools that are genuinely free forever are Google Search Console, Screaming Frog (free up to 500 URLs), and Seobility's free plan. Most others — Semrush, Ahrefs, Moz — are free trials or free instant-audit widgets, not unlimited free plans. This guide sorts all 14 so you know what you get before signing up.

Everyone wants their website to rank high, and SEO is the key to getting there. Beyond keyword research, content quality, and backlinks, you need to keep checking your site's technical health — and that is where SEO audit tools come in.

Below are the 14 free SEO audit tools to check your website's performance, with honest notes on what is actually free in 2026 and verified current pricing.

Free SEO Audit Tools at a Glance

Not every "free SEO audit tool" is free the same way. Some give you an unlimited free plan, some only a time-limited trial, and some a free instant-audit widget on their site. Here is the honest breakdown.

What is an SEO Audit Tool?

An SEO audit tool is software that inspects a website in terms of SEO and presents suggestions to help it work well.

SEO audit tools are important for your website because they help determine how your pages rank on the SERP.

You can detect issues on your website with the help of SEO audit tools, and you are more apt to make optimizations accordingly.

As the name suggests, SEO is done for optimizing websites on search engines, and SEO audit tools are for auditing this performance.

14 Free SEO Audit Tools and Details

It is now time to see what these SEO audit tools offer and learn the details that matter — including exactly what is free.

1. Semrush

Semrush is an all-in-one marketing tool with various capabilities that relate to SEO.

The services of Semrush include competitive research, keyword research, link building, cost per click, pay per click ad, on-page and tech SEO, and more.

In terms of the SEO audit of Semrush, you enter your domain and start the audit.

You will get a detailed report about the site's health, errors, warnings, and crawled pages. Semrush sends the report as an email if you want.

Semrush also lets you track positions, check organic traffic sources and on-page SEO, audit backlinks, analyze content, arrange social media, and more.

Semrush Pricing: Semrush does not have a free-forever plan, but its free site-audit widget lets you run a limited check (one project). For full access, start a free trial, then move to a paid plan:

• The SEO plan costs about $117/mo (billed annually).
• The Starter plan costs about $165/mo (billed annually).
• The Pro+ plan costs about $248/mo (billed annually).

If none of these fit, you can request a custom plan.

Pricing verified July 2026 from Semrush's pricing page.

2. Google Search Console

Google Search Console is a free audit tool that lets you get to know your website in detail.

Unlike some SEO audit tools, you need to verify your website before you start auditing. It is not a one-click check.

Once you verify your domain and make the arrangements, you can audit each page of your website.

Google Search Console will show you traffic, rank, CTR, indexing, experience, and enhancements.

You can either examine the pages of your website one by one, or see the website's performance as a whole. It pairs well with Google Analytics for a fuller picture — though it is worth knowing how accurate Google Analytics really is before you lean on it.

Google Search Console Pricing: Google Search Console is free — there is no charge or fee, though API use is subject to usage limits.

Pricing verified July 2026 from Google's pricing page.

3. Ahrefs

Ahrefs is a popular SEO tool that presents a detailed analysis of websites in the SEO market.

It gives information about all kinds of SEO, like its competitor Semrush.

To audit your website with Ahrefs, you complete a three-step verification process, including Scope, Ownership, and Site Audit.

After Ahrefs completes auditing, you can reach various data points, like

• Last crawl,
• Status,
• Health score,
• URLs crawled,
• Internal URLs having errors,
• Scheduled.

If you want more detail about your website, it orders the issues on your webpage, gives errors and issues distribution, checks HTTPS status codes, and presents bulk exports.

Ahrefs Pricing: Ahrefs has no free-forever plan for its main toolset, but it offers free Ahrefs Webmaster Tools for a site you own and verify, plus a free site-audit tool. The paid plans are:

• The Lite plan starts at $129 per month.
• The Standard plan starts at $249 per month.
• The Advanced plan starts at $449 per month.
• The Enterprise plan is custom-priced.

Keep in mind these plans start at these prices, and some extra features are billed on top.

Pricing verified July 2026 from Ahrefs' pricing page.

4. Moz

Moz is another useful tool for SEO audits, and it appeals to SEO experts.

There are many solutions that Moz displays for users. We can sort them as

• Keyword Research,
• Rank Tracking,
• Site Crawl,
• On-Page Optimization,
• Link Research,
• Custom Reports.

When you audit your website with Moz, it will provide issues as new, critical crawler, total, and recommended.

Moz also flags potential issues so you can fix them beforehand.

If you don't regularly check your website, you still don't need to worry, because Moz sends you an alert email about the issues.

Moz Pro Pricing: Moz Pro offers a 30-day free trial rather than a free-forever plan, and all plans include customer support.

• The Standard plan costs $99 per month ($79/mo billed annually).
• The Medium plan costs $179 per month ($143/mo annually).
• The Large plan costs $299 per month ($239/mo annually).
• There is also a custom Enterprise plan for needs that do not fit the standard tiers.

Pricing verified July 2026 from Moz's pricing page.

5. SE Ranking

SE Ranking's all-in-one SEO platform offers a complete suite of tools to analyze websites, plus a range of small free SEO tools to optimize your site.

With features including word and character counters, IP address checks, domain age lookups, and a password generator, SE Ranking simplifies the SEO audit process.

You can also take advantage of its free Robots.txt Generator, Robots.txt Tester, View as Googlebot, and Redirect Checker tools.

SE Ranking Pricing: The small SEO tools are free and accessible on their website. For a fuller solution to monitor projects, analyze competitors, or find keywords, SE Ranking runs on a 14-day free trial, then paid subscriptions:

• Essential: $55/mo, best for freelancers and newcomers.
• Pro/Plus: $119/mo, for small agencies and teams.
• Business: from $239/mo, for mid-size agencies and businesses.

Pricing verified July 2026 from SE Ranking's pricing page.

6. WooRank

WooRank is a complete toolset.

WooRank's services are competitive analysis, keyword research and tracking, technical website audits, instant website reviews, and white-label reports.

WooRank works for better website optimization, and you can get handy outcomes, like

• Custom reports,
• Finding and fixing issues,
• Keyword strategy.

To start your free trial, you need to create a profile with your credit card information, then give WooRank a try and decide.

WooRank Pricing: WooRank starts with a 14-day free trial. Its public paid tiers are not listed at a fixed rate here, so check the current plans directly before you commit.

Pricing verified July 2026 from WooRank's pricing page.

7. Serpstat

Serpstat is mainly known as an SEO management tool.

That is, it serves to audit websites and handle the related tasks for optimization.

Serpstat gives the report based on the priority of the issues.

It also lays out the elements to fix if there is any problem.

You log in with your credit card information for billing purposes, but you can cancel anytime, since there is no charge within the first seven days.

Serpstat Pricing: Serpstat offers a free trial (no charge within the first seven days). Paid plans are:

• Individual: $50/mo.
• Team: $100/mo.
• Team x2: $169/mo.
• Agency: $410/mo.

There is also a custom plan for more extensive needs.

Pricing verified July 2026 from Serpstat's pricing page.

8. SEO Site Checkup

SEO Site Checkup presents a fast SEO audit to enhance your website's performance.

You can enter your website URL and request a checkup to see what to fix.

Since SEO Site Checkup has a toolbox, you can reach issue analysis, competitor research, white-label reports, and more.

A nice detail about SEO Site Checkup is that it has several free instant tools to audit your website and support its SEO performance.

SEO Site Checkup Pricing: SEO Site Checkup has several free instant tools on its site plus a free trial for the full toolbox. Paid plans are:

• The Basic plan costs $39/mo.
• The Webmaster plan costs $69/mo (adds an LLM visibility checker and AI content analysis).
• The Professional plan costs $129/mo.

Pricing verified July 2026 from SEO Site Checkup's pricing page.

9. SEOptimer

SEOptimer is an SEO audit tool that offers free website analysis.

SEOptimer gives you a grade for your website along with the number of improvements needed.

On-page SEO, links, usability, performance, and social are the categories presented by SEOptimer.

What sets SEOptimer apart is its white-label reports, available in multiple languages with customization options.

You can check SEOptimer's free SEO toolbox for further analysis as well.

SEOptimer Pricing: SEOptimer runs a free instant audit on its site and a 14-day free trial for the full platform.

• The DIY SEO plan is $29/mo for crawling your website for problems.
• The White Label plan is $39/mo for solutions in multiple languages.
• The White Label & Embedding plan is $59/mo for generating leads straight from your site.
• Custom Enterprise pricing is also available.

Pricing verified July 2026 from SEOptimer's pricing page.

10. Seomator

Seomator gives in-depth technical SEO analysis and on-page tests.

Seomator presents free SEO tool for website audit checklists.

Grades are part of Seomator's method too, so recommendations are ordered by priority to fix.

You can check ranks, linking, and usability for both desktop and mobile.

Seomator Pricing: Seomator has a free SEO audit tool on its site and a 7-day free trial on paid plans. Exact plan prices vary, so check their pricing page for current tiers.

Pricing verified July 2026 from Seomator's pricing page.

P.S: Seomator has a version 2 update, and you can access it when you visit their website.

11. SEObility

SEObility is another SEO audit tool that checks and crawls websites.

On-Site Audit, Rank Tracking, and Backlink Checker are important for auditing websites, and SEObility has them all.

The SEObility dashboard gives the details, such as the last crawl, crawl duration, crawled pages, and monitored search terms.

Signing up and getting website analysis is easy — and, importantly, it has a genuine free-forever plan.

Seobility Pricing: Seobility is one of the few tools here with a real free-forever plan.

• The Basic plan is free for one project (up to 1,000 pages per crawl and 10 tracked keywords).
• The Premium plan costs €49.90/mo for three projects, with a 14-day free trial.
• The Agency plan costs €179.90/mo for 15 projects.

If these plans don't meet your requirements, you can contact the SEObility team.

Pricing verified July 2026 from Seobility's pricing page.

12. Screaming Frog

Screaming Frog stands apart from many SEO tools because it is a desktop crawler run by a search marketing agency.

The SEO Spider Tool is Screaming Frog's audit tool, and it crawls pages like the others.

From auditing redirects to extracting data with XPath, the SEO Spider Tool covers a wide range of technical SEO tasks.

After the audit, you can evaluate your website's performance, ranks, and more.

Screaming Frog Pricing: Screaming Frog's SEO Spider has both a free and a paid version.

• The free version crawls up to 500 URLs.
• The paid licence costs about €245 per licence, per year (roughly £199) for unlimited URLs and the full feature set.

Pricing verified July 2026 from Screaming Frog's pricing page.

13. Wope

With Wope, users can simply type in their website address and complete setup in about 60 seconds, rather than spending hours on the task.

Wope lets you spot trending or declining seasonality of keywords, detect mobile page issues by analyzing ranking differences, track ranking history to identify the best possible rank, and provide market intelligence through SERP feature-based CTR calculation.

Wope also offers a customizable keyword selection engine, which allows advanced users to fine-tune their SEO strategy by customizing the selection of keywords they want to target.

Wope Pricing: Wope offers a 14-day free trial with no card required, then paid plans that start low:

• Basic: $27/mo.
• Starter: $55/mo.
• Growth: $137/mo.
• Elite: $275/mo.

Pricing verified July 2026 from Wope's pricing page.

14. Sitechecker

Sitechecker is a versatile SEO platform with the tools to conduct a quality website SEO audit in its arsenal.

While auditing with this tool, you can detect issues that affect your website's SEO. It can also constantly monitor your site and notify you when new issues arise.

Sitechecker's main features include:

• Website Crawler
• Website SEO Monitoring
• Keyword Rank Tracker
• Backlink Checker & Tracker
• On-Page SEO Checker & Audit

You can also connect your Google Search Console and Google Analytics to get even more accurate website reports. This tool also has a handy Chrome extension for on-page SEO.

Sitechecker is also great for SEO agencies because of its White Label feature.

Sitechecker Pricing: Sitechecker offers a 14-day free trial, then paid plans:

• Basic: €89/mo.
• Standard: €219/mo.
• Premium: €379/mo.
• Enterprise: custom pricing, with a discount for annual purchases.

Pricing verified July 2026 from Sitechecker's pricing page.

SEO Audits Now Check AI Search (GEO) Readiness

In 2026, an SEO audit is no longer only about broken links and meta tags. Several tools now flag generative-search, or GEO (generative engine optimization), issues — how visible your pages are inside AI answers. Semrush's free site audit checks for AI search problems alongside classic SEO, and SEO Site Checkup added an LLM visibility checker that shows how you appear in ChatGPT, Gemini, and other engines.

This matters because 68% of online experiences begin with a search engine, and more of those searches now surface AI-generated answers. If you write content with AI search in mind, our guide to ChatGPT prompts for SEO is a useful companion. Treat AI-readiness as one more audit line item, not a replacement for technical fundamentals.

What Are the Benefits of Using SEO Audit Tools?

Using SEO audit tools is simple, and there are many benefits when you use them. If we take a quick look:

SEO Audit Tools…

• Improve your website performance. After determining the issues, SEO audit tools will help you find and fix them.
• Help rank higher. Your website will have a better positioning on the SERP.
• Determine user intent and satisfy users and visitors.
• Help you bring more traffic to your website.
• Help you optimize content and keyword research to increase engagement.
• Check the compatibility of mobile devices.
• Arrange the links and backlinks your website has.
• Help you know your competitors and make your plan more strategic.

For the bigger picture on where the effort pays off, our digital marketing statistics roundup shows how organic search compares with other channels.

To Conclude

Using free SEO audit tools will improve your performance and affect your visibility on SERP.

These 14 SEO audit tools provide a wide range of features and benefits — just remember that only Google Search Console, Screaming Frog, and Seobility are free forever, while the rest lean on free trials or free instant-audit widgets. Match the tool to what you actually need before you sign up.

Start with a free option, run your first audit, fix what it flags, and repeat monthly to stay ahead of your competitors. And once your traffic grows, popup templates from Popupsmart can help you turn those extra visitors into leads.

Frequently Asked Questions

We have touched upon the frequently asked questions that might appear about free SEO audit tools.

What are the Issues That SEO Audit Tools Detect?

‍There may appear many issues related to auditing your website, but the most common issue that SEO audit tools detect are duplicate or low-quality content, broken links, not being mobile-responsive, slow website loading, incorrect tags, and too much keyword usage. For sure, the points may elevate.

Do I Need Technical Knowledge to Use Free SEO Audit Tools?

‍No, you do not. Free SEO audit tools have user-friendly interfaces and provide step-by-step guides on how to use the tool. Therefore, copying and pasting your website URL is enough for most of the time.

How Often Should I Use Free SEO Audit Tools?

‍Regularly. It is mostly recommended to use free SEO audit tools in the course at least once a month. It is important to ensure that your website's SEO performance is optimized and is ahead of any technical issues that may arise.

How Long Does it Take to See Results from an SEO Audit?

‍The time of seeing SEO audit results changes based on the size and complexity of your website. Also, the more issue, the more time you spend. After you update your website's SEO performance, it is possible to see improvement clearly.

Is There Any Difference between the Free and Paid SEO Audit Tools?

‍Depends. Some SEO audit tools give the privilege of optimizing the website with the necessary criteria; however, some need upgrading the plan. Therefore, you may need to choose your SEO audit tools based on your expectations and results.

Recommended Blog Posts

There is more to learn about SEO, so here are more posts you should check.

• Can a Popup Affect Your SEO? & Google's Requirements for Displaying Popups
• Search Engine Optimization (SEO) Starter Guide
• Ghost Blogging Platform SEO Tips And Guide