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SEO Audit Checker

Free SEO audit for your website. Fixes in plain English.

Enter a URL and get a one‑page report in about two minutes: your score, the issues holding the page back in the order to fix them, the exact fix for each, and everything you’re already doing right.

By running an audit you agree to our terms and privacy policy.

  • No signup or site verification
  • Results in about 2 minutes
  • Free, no credit card
  • See a sample report

What we check

Six areas, one clear SEO audit report

A complete SEO audit checklist, run for you. Every check comes with what it means, why it matters, and how to fix it — written for site owners, not just SEO specialists.

  • On-page SEO

    • Title tag length & uniqueness
    • Meta description
    • H1 and heading order
    • Canonical tag
    • Keyword placement
  • Technical

    • HTTPS & mixed content
    • robots.txt & XML sitemap
    • Redirect chains
    • Indexability & noindex
    • Structured data
  • Content

    • Thin content
    • Readability score
    • Duplicate headings
    • Broken internal & external links
    • Link text quality
  • Performance

    • Core Web Vitals (LCP, INP, CLS)
    • Page weight
    • Render-blocking resources
    • HTML compression & server response
    • Mobile friendliness
  • Images

    • Missing alt text
    • Oversized files
    • Next-gen formats (WebP/AVIF)
    • Lazy loading
    • Explicit dimensions
  • Social & AI search

    • Open Graph & X cards
    • Share image size
    • AI crawler access
    • llms.txt
    • Answer-ready schema

How it works

Run a free SEO audit in three steps

  1. 1

    Enter your URL

    Paste your homepage or any page. No account, no tracking code, no proving you own the site.

  2. 2

    We run the audit

    We read the page the way a search engine does, run 80+ checks, test its links and images, and measure Core Web Vitals with Google Lighthouse.

  3. 3

    Get your report

    Your score, every issue ranked by what to fix first, and how to fix it.

Sample report

Your whole audit on one page

No 40-tab dashboard to learn. See your score, what to fix first, how long each fix takes, and what’s already working.

Overall score

78out of 100

+6 since last audit

  • On-page SEO86
  • Technical72
  • Content81
  • Performance58
  • Images69
  • Social92

Fix these first

Ranked by impact ÷ effort
  • Critical

    Largest Contentful Paint is 4.1s on mobile

    How to fix: Preload the hero image and serve it as WebP

    15 min
  • High

    12 images are missing alt text

    How to fix: Describe each image in a short phrase

    10 min
  • Medium

    Meta description is 212 characters

    How to fix: Trim to ~155 characters so it isn’t cut off

    2 min

What you’re already doing well

  • HTTPS everywhere
  • Valid XML sitemap
  • One H1 per page
  • Open Graph tags present
  • Mobile viewport set

Illustrative data.See a full, real sample report

Why SEO Audit Checker

Built for people who need answers, not another dashboard

Enterprise crawlers are powerful but slow to set up. We focus on the fixes that move your rankings, explained clearly enough to act on today.

  • No account, no ownership verification

    Audit any site, including a competitor’s or a client prospect’s, without DNS records, tracking tags or a login.

  • Fixes ranked by impact and effort

    We don’t just list errors and warnings. Every issue shows its likely impact and roughly how long it takes to fix, so quick wins come first.

  • Copy-paste fixes

    Where a fix is code, you get the exact snippet, like the meta tag, schema block or robots rule, ready to drop in.

  • Credit for what’s working

    Your report lists the checks you passed, so you know what to protect and can show progress to clients or your boss.

  • AI search readiness

    We check whether AI crawlers can read your site, whether you have llms.txt, and whether your schema helps you get cited in AI answers.

  • Live SERP & social previews

    See how your page looks in Google results and as a social share card, before anyone else does.

  • Shareable developer handoff

    Send one link or PDF with every issue, the affected URLs and fix steps. Your developer won’t need an SEO tool login.

  • Re-check and compare

    Run the audit again after fixing and see your score change and which issues are resolved.

Compare

A free SEO audit tool vs. heavyweight crawlers

Paid SEO suites and desktop crawlers are built for SEO teams auditing huge sites. For everyone else, here’s how we compare.

Feature comparison between SEO Audit Checker and typical paid SEO suites
FeatureSEO Audit CheckerTypical paid SEO suite
Start without an account
Plain-English report on one page
Fixes ranked by impact and effortSeverity only
Copy-paste code for fixes
“Doing well” summary
AI search readiness checksVaries
SERP & social share previewsVaries
CSV export and white-label PDFPaid plans
Re-run and compare with last audit
Site-wide crawl20 sitemap pagesThousands of pages

SEO audit, explained

How to turn an SEO audit into more traffic

An audit is only as useful as what you do next. Here’s how to read one, what to fix first, and where an automated tool stops.

What an SEO audit actually tells you

An SEO audit checks whether search engines can find your page, understand what it’s about, and show it to the right people, and whether visitors get a fast, usable page when they arrive. It turns problems you can’t see in a browser into a list you can act on: a page quietly set to noindex, a robots.txt rule blocking the wrong folder, a title Google cuts off halfway, a hero image that takes four seconds to load on a phone.

What it won’t tell you is whether your content is the best answer for a search, or how strong your competitors’ backlinks are. Those need human judgement (more on that below). The audit clears the technical path so that good content has a fair chance to rank.

Fix things in this order

A long list of issues is easier to handle once you know that some problems cancel out every other improvement. Work down this ladder and don’t move to the next step until the one above it is clean:

  1. Can search engines reach the page? A noindex tag, a robots.txt block, a server error or a canonical tag pointing somewhere else can keep a page out of Google entirely. Nothing else on the list matters until these pass.
  2. Can they understand it? A unique title tag, one clear H1, enough real content to answer the question, and internal links from related pages.
  3. Will people click? A meta description that sells the page, structured data that can earn rich results, and share previews that look right on social and in chat apps.
  4. Will they stay? Fast loading and passing Core Web Vitals on mobile, where most searches happen.
  5. Polish. Alt text, image formats, minor warnings. Worth doing, but rarely what’s holding a page back.

Your report already sorts issues this way. Each problem is weighted by severity and divided by how long it usually takes to fix, so a critical five-minute fix sits above a medium one that takes an afternoon.

How your score works

Every check has a severity: critical, high, medium or low. A category’s score is the share of that weight you pass, and a warning counts as half a pass. For performance, we blend in Google’s mobile Lighthouse score because it measures real loading behaviour better than any single check. Your overall score is a weighted average: on-page SEO 25%, technical 20%, performance 20%, content 15%, images 10% and social 10%.

Two things follow from that. First, the score is a measure of how much is left to fix, not a ranking factor. Google doesn’t see it, and a 95 won’t outrank a 70 with better content. Second, it’s most useful as a comparison: the same page before and after your fixes, or your page next to the one that outranks it.

What no automated audit can tell you

Every SEO audit tool, ours included, reads what’s on the page. It can’t judge whether the page deserves to rank. After you’ve fixed the technical issues, spend ten minutes on these checks yourself:

  • Search intent. Search for your main keyword and look at the top five results. If they’re all step-by-step guides and your page is a product listing, no amount of technical polish will close that gap.
  • Depth and experience. Do the ranking pages answer follow-up questions yours skips? Do they show first-hand experience, original photos or real data? That’s what Google’s helpful-content guidance rewards.
  • Real search data. Google Search Console shows which pages are indexed, which queries you already appear for, and where you rank on page two. Those near-misses are often the fastest wins.
  • Links from other sites. Backlinks still matter, especially for competitive terms. A backlink tool will show who links to the pages above yours.

Your first 30 minutes after an audit

  1. Fix any critical issue that stops the page being indexed. These often take a single setting or line of code.
  2. Work through the top five issues in your report. They’re ordered so the quickest high-impact fixes come first.
  3. Check your title and description in the Google snippet preview and rewrite them for the person searching, not for the keyword.
  4. Hand anything that needs a developer over as one link: the report lists affected URLs and fix steps.
  5. Re-run the audit from your report once the fixes are live. Your new report shows the score change and which issues are resolved.

AI search readiness

More people now get answers from ChatGPT, Claude, Perplexity and Google’s AI Overviews, and those answers cite websites. Being cited starts with the same basics as ranking, plus a few extras our AI SEO audit checks: whether robots.txt lets AI crawlers such as GPTBot and ClaudeBot read your site, whether you publish an llms.txt file, and whether your structured data spells out who you are and what the page covers. Clear headings and direct answers near the top of a section help too, for people and machines alike.

Who it’s for

  • Site owners and founders who want a clear to-do list without learning a professional SEO suite first.
  • Agencies and freelancers who need to audit a prospect’s site before a call, or see why a competitor outranks a client. No account or proof of ownership is needed, and reports export to CSV and white-label PDF.
  • Developers who’d rather get exact changes and copy-paste code than a login to another dashboard.
  • Local businesses. Your website is what your Google Business Profile, reviews and directory listings point to. Audit your homepage and location pages for speed on mobile, clear titles, indexability and LocalBusiness structured data. We don’t audit your Business Profile or citations, so check those separately.

How often to audit

Audit your most important pages every three months, and always after a redesign, a CMS or hosting move, a theme or plugin update, or an unexplained drop in traffic. Those are the moments a stray noindex or a broken redirect slips through. If you prefer working from a list, our free SEO audit template covers 40 checks, marks the ones this tool runs for you, and exports to Excel or Google Sheets. For a longer walkthrough, read what an SEO audit is and how to do one.

FAQ

SEO audit questions, answered

About SEO Audit Checker

Is SEO Audit Checker really free?

Yes. Running an audit and getting your one-page report is free, and you don’t need an account or a credit card.

Do I need to verify that I own the website?

No. You can audit any public website, including competitors and client prospects. We only read what is publicly available, just like a search engine does.

What does the report include?

An overall score from 0 to 100, a score for each of the six categories (on-page SEO, technical, content, performance, images and social), every issue ranked by impact and effort with step-by-step fixes and copy-paste code where the fix is code, Core Web Vitals for mobile and desktop, results for up to 20 more pages from your sitemap, and a list of the checks you already pass. You can export it to CSV or save it as a white-label PDF.

What is a good SEO audit score?

Your report colours scores the same way: 80 or above (green) means the page has few problems left; 50 to 79 (amber) usually means a handful of fixable issues; below 50 (red) means something important, often speed or indexability, needs attention first. The score measures how much is left to fix, not how well you’ll rank: Google never sees it, and a page scoring 95 can still be outranked by one scoring 75 with better content. Use it to compare a page before and after your fixes, or against the page that outranks you.

How long does the audit take?

Most audits finish in one to three minutes. You can watch the audit run and the report appears on screen when it’s ready. If you add your email, we also send you a copy, so you can close the tab.

Is this a technical SEO audit or a full site audit?

Both, with a focus on depth. We run 80+ technical and on-page checks on the URL you enter, read site-wide files like robots.txt, your XML sitemap and llms.txt, test up to 200 links and 100 images on the page, and scan up to 20 more pages from your sitemap for errors, redirects and duplicate titles or descriptions. For a site with thousands of pages, use it on your most important templates (homepage, a category page, a product or article page), since a fix to a template fixes every page built on it.

Can agencies use SEO Audit Checker for client audits?

Yes. You can audit any public site without an account or ownership verification, which makes it handy for prospect audits and competitor checks. Each report is a shareable link you can also save as a PDF for clients or developers.

What is “AI search readiness”?

More people now get answers from AI assistants and AI search results. We check whether AI crawlers are allowed in your robots.txt, whether you publish an llms.txt file, and whether your structured data makes your content easy to cite.

Will the audit slow down or affect my site?

No. We load the page once, check up to 200 links and 100 images, and fetch up to 20 sitemap pages, in small batches over a minute or two. That’s a few hundred lightweight requests at most, far less than a search engine crawler makes. We only read public pages and never change anything on your site.

Do I have to give my email address?

No, email is optional. If you add it, we use it only to send your report and to show what changed when you audit the same site again. We don’t sell or share it, and we remove it after 30 days. See our privacy policy for details.

SEO audits and SEO basics

What is an SEO audit?

An SEO audit is a health check of your website that finds what stops it from ranking in search engines. It reviews how easily search engines can crawl and index your pages, how well each page is optimized for its target keywords, how fast and mobile-friendly the site is, and whether your content and links earn trust. The result is a prioritized list of issues to fix, so you spend time on the changes that move rankings and traffic the most.

How do you conduct a technical SEO site audit?

Work from the foundations up, so search engines can find, render and index your pages before you worry about anything else:

  1. Check robots.txt and meta robots tags to make sure important pages aren’t blocked.
  2. Confirm your XML sitemap exists, is submitted in Google Search Console and lists only indexable URLs.
  3. Review indexing in Search Console and fix pages that are excluded or show errors.
  4. Find broken links, redirect chains and 4xx or 5xx status codes.
  5. Check canonical tags and duplicate content.
  6. Make sure the whole site uses HTTPS with no mixed content.
  7. Test mobile-friendliness and Core Web Vitals (LCP, INP and CLS).
  8. Validate structured data and fix any errors.
  9. Rank the issues by impact and effort, fix them, then re-audit to confirm.
Can ChatGPT do an SEO audit?

Partly. ChatGPT and other AI assistants are good at reviewing content you paste in, suggesting better titles and meta descriptions, explaining issues and drafting fixes. But they can’t reliably crawl your site, measure real page speed, check status codes, test every link or read your robots.txt and sitemap the way a search engine does, and they can state things confidently that aren’t true. Use a dedicated SEO audit tool to collect accurate data, then use AI to help you understand and fix what it finds.

Can I do my own SEO audit?

Yes. You don’t need an agency to audit your own site. Start with a free automated audit to catch technical and on-page issues, use Google Search Console to see indexing and search performance, and follow a checklist such as our free SEO audit template for the checks a tool can’t make, like content quality and search intent. Fix the high-impact issues first, then repeat the audit every few months or after any major site change.

What are the different types of SEO audits?

The most common types are:

  • Technical SEO audit: crawling, indexing, site speed, HTTPS, mobile and structured data.
  • On-page SEO audit: titles, meta descriptions, headings, keywords, internal links and images.
  • Content audit: quality, search intent, thin or duplicate pages and content gaps.
  • Off-page or backlink audit: the quality and relevance of the sites linking to you.
  • Local SEO audit: Google Business Profile, NAP consistency, local citations and reviews.
  • Competitor audit: what top-ranking competitors do better than you.
  • AI search readiness audit: AI crawler access, llms.txt and structured data that make your content easy to cite.
Is there a free way to get a website SEO audit?

Yes. SEO Audit Checker runs a free SEO audit of any public website in about two minutes, with no account or credit card needed. You get a score, issues ranked by impact and step-by-step fixes. Pair it with free tools from Google, such as Search Console for indexing and search data and PageSpeed Insights for Core Web Vitals, and you have a complete audit at no cost.

What are the top 10 SEO checklist items?

If you only check ten things, make it these:

  1. Your pages are indexable: not blocked by robots.txt or a noindex tag.
  2. You have an XML sitemap submitted to Google Search Console.
  3. Every page has a unique, descriptive title tag of roughly 30 to 60 characters.
  4. Every page has a compelling meta description of about 120 to 155 characters.
  5. Each page has one clear H1 and a logical heading structure.
  6. The site loads fast and passes Core Web Vitals.
  7. The site is mobile-friendly and served over HTTPS.
  8. Images are compressed and have descriptive alt text.
  9. There are no broken links, and pages link to each other with descriptive anchor text.
  10. Content matches search intent and is backed by structured data where relevant.
What are basic SEO tools?

You can cover the basics with mostly free tools:

  • Google Search Console: indexing, search queries, clicks and errors.
  • Google Analytics: traffic and how visitors behave on your site.
  • PageSpeed Insights: page speed and Core Web Vitals.
  • An SEO audit tool like SEO Audit Checker: technical and on-page issues with fixes.
  • A keyword research tool: what people search for and how competitive it is.
  • A robots.txt tester and SERP preview tool: crawl rules and how your pages look in search results.
How many types of SEO are there?

There are four main types of SEO: on-page SEO (optimizing content, titles, headings and internal links), off-page SEO (earning backlinks and mentions from other sites), technical SEO (making the site easy to crawl, index and load fast) and local SEO (ranking in local and map results). You’ll also hear about content SEO, e-commerce SEO, mobile SEO and, more recently, AI search optimization, which are specializations built on those four.

Is SEO difficult to learn?

The basics are not difficult. Most people can learn to write good titles, structure a page, fix common technical issues and publish helpful content within a few weeks. Getting good takes longer, because feedback is slow (changes take weeks to show), search engines keep changing, and competitive keywords demand experience. The fastest way to learn is on a real site: audit it, fix what you find, and watch what changes in Google Search Console. Google’s free SEO Starter Guide is the best first read.

What are the latest SEO techniques?

The techniques that matter most today are:

  • Optimizing for AI search: clear, well-structured answers that AI Overviews and assistants can cite, plus an llms.txt file and AI crawler access.
  • Showing real experience and expertise (E-E-A-T) with author bios, first-hand insight and original data.
  • Covering topics in depth with clusters of linked pages instead of single keywords.
  • Using structured data so search engines understand your content and entities.
  • Improving Core Web Vitals, especially Interaction to Next Paint (INP).
  • Matching search intent and refreshing older content to keep it accurate.
What are common SEO mistakes?

The mistakes we see most often are:

  • Accidentally blocking pages with robots.txt or a noindex tag.
  • Missing, duplicate or overly long title tags and meta descriptions.
  • Slow pages and poor Core Web Vitals, especially on mobile.
  • Broken links, redirect chains and orphan pages with no internal links.
  • Thin or duplicate content that doesn’t match search intent.
  • Keyword stuffing instead of writing for people.
  • Images without alt text or compression.
  • Not tracking results in Google Search Console.
How can I improve my SEO for free?

Most SEO improvements cost time, not money. In rough order of payoff:

  1. Run a free SEO audit and fix anything that stops pages being indexed.
  2. Set up Google Search Console, submit your sitemap and check which pages are indexed.
  3. Find queries where you rank on page two in Search Console, then improve those pages: they’re the closest to real traffic.
  4. Rewrite titles and meta descriptions so they match what people search for and give a reason to click.
  5. Compress images, add alt text and fix slow pages on mobile.
  6. Link related pages together so search engines and visitors can find your best content.
  7. Create a free Google Business Profile if you serve a local area.
  8. Publish genuinely useful resources other sites want to link to.
How long does it take to see results after fixing SEO issues?

It depends on the fix. Removing a noindex tag or robots.txt block can bring a page back within days of Google recrawling it; you can speed that up with URL Inspection in Search Console. Title and description changes usually show in results within one to two weeks. Speed and content improvements take longer to affect rankings, typically a few weeks to a few months, and the more competitive the keyword, the longer it takes.

See your score in minutes

Enter your URL and get a one-page report with every fix, ranked.

By running an audit you agree to our terms and privacy policy.