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Browse All ToolsAnalyze your website for technical SEO, on-page SEO, performance, content, links, images, structured data, mobile SEO, security and more. Get actionable recommendations instantly.
100+ automated checks • 100% free • No signup
Understanding SEO Audits
An SEO audit is a comprehensive analysis of your website's search engine optimization health. It systematically examines technical infrastructure, on-page elements, content quality, performance metrics, and other factors that affect your website's ability to rank in search engines like Google, Bing, and AI-powered search tools.
A thorough SEO audit evaluates technical SEO (crawlability, indexability, site structure), on-page SEO (meta tags, headings, keyword optimization), content quality (depth, readability, uniqueness), performance (Core Web Vitals, page speed), links (internal, external, broken), images (alt text, optimization), structured data (schema markup), security (HTTPS, headers), mobile optimization, and increasingly, AI search readiness for generative engines.
Regular SEO audits identify issues blocking search engines from properly crawling and indexing your site, uncover on-page optimization opportunities, reveal technical problems affecting user experience, measure performance against Core Web Vitals standards, detect broken links damaging credibility, and ensure your content meets current search engine guidelines. An audit provides a clear roadmap for improving organic search visibility.
Technical SEO forms the foundation of website discoverability. It includes ensuring search engines can crawl your site (robots.txt configuration), index your pages (no unintended noindex tags), follow clean URL structures, process redirects properly, understand canonicalization, load pages quickly, and access all important content. Technical issues often have the highest impact on rankings because they can prevent entire sections of a site from being discovered. Use the Robots.txt Generator to configure crawling rules and the Sitemap Generator to help search engines discover your pages.
On-page SEO focuses on optimizing individual pages for specific search queries. This includes crafting compelling title tags within 50-60 characters, writing descriptive meta descriptions, implementing proper heading hierarchy (H1, H2, H3), placing keywords naturally in strategic locations, creating clean URLs, building internal link structures, and ensuring each page targets clear search intent. Use tools like the Meta Tag Checker to validate your metadata or the Meta Tag Generator to create optimized tags.
Search engines prioritize high-quality, helpful content. Quality signals include sufficient content depth to answer user questions comprehensively, original writing without duplication, readable sentence structure, topical authority, and content that directly addresses search intent. There is no universal minimum word count—content should be as long as needed to be useful and comprehensive for the topic. Thin or duplicate content can harm rankings across an entire site.
Google uses Core Web Vitals as ranking factors within page experience signals. Largest Contentful Paint (LCP) measures loading performance (target: <2.5s), Interaction to Next Paint (INP) measures interactivity (target: <200ms), and Cumulative Layout Shift (CLS) measures visual stability (target: <0.1). Good Core Web Vitals contribute to better user experience and can support rankings, but they do not guarantee higher positions. Content quality, relevance, and authority remain primary ranking factors.
Structured data helps search engines understand your content's meaning and context. Implementing schema markup (typically JSON-LD format) for Organization, WebSite, Article, Product, FAQ, and other relevant types can enhance search results with rich snippets, improve click-through rates, and provide clearer signals for AI-powered search engines. If your audit identifies structured-data issues, use the Schema Generator to create valid JSON-LD markup.
AI-powered search experiences like ChatGPT, Perplexity, and Google's AI Overviews increasingly generate answers from information across the web. Clear page structure, descriptive headings, accessible content, explicit entity definitions, and trustworthy sources can help make information easier for search systems and users to understand. Structured data, author credentials, and factual citations may improve how content is processed. These practices complement rather than replace traditional SEO, and there are no guarantees that specific optimizations will result in AI search visibility.
Use Cases
Run an audit before going live to catch technical issues, ensure proper indexing configuration, and verify all SEO foundations are in place.
Audit both old and new sites to prevent ranking losses from broken redirects, missing content, or changed URL structures during migration.
When organic traffic drops unexpectedly, an audit can identify technical issues, algorithm penalty factors, or emerging problems.
If rankings fall for important keywords, an audit reveals on-page issues, content quality problems, or technical barriers affecting visibility.
Establish a baseline before investing in SEO to understand current performance and prioritize high-impact improvements.
Regular audits catch issues early, track progress over time, and ensure ongoing optimizations maintain site health.
Audit your site and competitors to identify gaps, discover optimization opportunities, and benchmark performance.
Understand your site's current state to evaluate agency proposals, set realistic expectations, and track their work effectively.
Major algorithm changes may require site adjustments. Audits help identify what needs updating to maintain or recover rankings.
Before launching new products or categories, ensure proper schema markup, internal linking, and technical optimization.
Evaluate content quality, identify thin pages, find duplication issues, and discover opportunities to improve existing content.
Freelancers and agencies use audits to demonstrate value, identify opportunities, and create data-driven optimization strategies.
Process
Our audit engine performs a comprehensive analysis in seconds
Provide any website URL you want to audit. Works with homepages, landing pages, blog posts, product pages, or any public URL.
Our crawler fetches your page, analyzes HTML structure, extracts metadata, checks links and images, validates schema, and measures performance.
Automated checkers evaluate technical SEO, on-page elements, content quality, Core Web Vitals, security, mobile optimization, and more.
Receive an SEO score, category breakdowns, prioritized issues, and actionable recommendations with specific fix instructions.
Our SEO audit engine performs all analysis directly without relying on paid third-party APIs or SEO databases. Here's how it works:
All core checks run directly on our servers using deterministic algorithms. We don't rely on Google's official APIs, paid SEO tools, or AI language models for the audit itself — ensuring consistent, reliable, and always-free analysis.
See What You'll Get
See what your audit report will look like
Example audit results
No canonical tag found on this page
3 images found without meaningful alt attributes
Site uses secure HTTPS protocol
Note: This is a demonstration using example data to show the format and structure of audit results.
Features
Comprehensive analysis covering technical, on-page, content, performance, images, links, schema, security, and AI search optimization.
Check crawlability, indexability, robots.txt, XML sitemap, HTTPS, redirects, canonical URLs, and technical infrastructure.
Analyze title tags, meta descriptions, headings, keyword optimization, URL structure, and internal linking.
Measure LCP, INP, CLS, and other performance metrics. These are Google page experience signals that can contribute to rankings and user experience.
Evaluate word count, readability, text-to-HTML ratio, duplicate content, and topical depth.
Detect broken internal links, broken external links, redirect chains, and orphan pages.
Check alt text, image dimensions, file sizes, modern formats (WebP/AVIF), lazy loading, and optimization.
Validate structured data including Organization, Article, Product, FAQ, and BreadcrumbList schemas.
Check HTTPS implementation, security headers, mixed content, and SSL certificate validity.
Analyze viewport configuration, mobile-friendliness, touch elements, and mobile performance.
Evaluate semantic structure, entity clarity, and machine-readable content that may help AI-powered search systems understand your content.
Every issue includes why it matters, how to fix it, specific examples, and priority level.
Get an overall SEO health score plus category-specific scores with detailed issue breakdown.
Complete audit in 5-15 seconds with real-time progress tracking and live report generation.
Run unlimited audits without creating an account, providing email, or credit card information.
Download detailed reports, copy results, or share findings with your team or clients.
Comprehensive Analysis
Our audit engine performs 100+ automated checks across 11 categories
Crawlability, indexability, and site infrastructure
Meta tags, headings, and keyword optimization
Content depth, uniqueness, and readability
Page speed and user experience metrics
Internal and external link health
Image optimization and accessibility
Schema markup validation
Mobile responsiveness and usability
HTTPS and security headers
Basic accessibility compliance
Generative Engine Optimization
Methodology
Transparent, weighted scoring based on actual SEO impact
The SEO Health Score is a diagnostic indicator created by this tool to help you understand your website's optimization status. It is not a Google ranking score and does not predict search rankings.
Each category contributes to your overall score based on its SEO impact. Technical SEO and On-Page SEO carry the highest weights (20% each) because they form the foundation of search visibility. Performance and Content follow at 15% each. Links contribute 10%, while specialized categories like Images, Schema, Mobile, Security, Accessibility, and AI Search optimization make up the remaining weight.
Each category score starts with a pass rate (passed checks / total checks × 100). We then apply severity penalties: Critical issues subtract significant points, warnings subtract moderate points, and opportunities subtract smaller amounts. This ensures that a category with failing critical checks cannot achieve a high score regardless of passed checks.
Critical issues are problems that can prevent search engines from properly indexing your site or significantly harm user experience (e.g., missing canonical, broken HTTPS, noindex on important pages). Warnings indicate important optimizations that should be addressed (e.g., missing alt text, slow performance). Opportunities are improvements that could enhance SEO but aren't urgent.
Your overall SEO Health Score is the weighted average of all category scores. Technical and on-page issues have more impact than accessibility or AI optimization issues. A score of 90+ indicates excellent SEO health, 70-89 is good with room for improvement, 50-69 needs attention, and below 50 requires immediate action.
Important: This score helps prioritize SEO work but does not guarantee rankings. Search engines use hundreds of factors including content quality, backlinks, user engagement, domain authority, and competitive landscape that this tool cannot measure.
Transparency
Methodology, technology, and transparency
This SEO audit tool was built by Ramesh Kumar Das, a full-stack developer and SEO engineer, to provide free, reliable technical SEO analysis without requiring paid API access or subscription services.
The audit engine fetches your webpage, parses the HTML structure, analyzes technical implementation, measures performance metrics, validates structured data, and runs 100+ automated checks across 11 categories. All analysis runs server-side using deterministic algorithms—no AI guessing, no third-party SEO databases, no paid APIs.
This tool analyzes what can be measured directly from your website: HTML structure, meta tags, headings, content quality, page speed, Core Web Vitals estimates, link validity, image optimization, schema markup, security headers, mobile configuration, and technical infrastructure. It provides actionable recommendations based on current SEO best practices.
This tool cannot measure factors requiring proprietary databases or external data: keyword rankings, backlink profiles, domain authority, competitive analysis, historical traffic trends, or actual Google Search Console data. For comprehensive SEO strategy, use this tool for technical audits alongside Google Search Console for search performance data.
Single-page audits analyze only the provided URL. Multi-page audits (optional) crawl up to 50 pages from your sitemap. Performance metrics are estimates based on server response and resource analysis, not actual user experience. Core Web Vitals shown are calculated approximations; use Google PageSpeed Insights or Search Console for official field data.
The audit methodology is updated regularly to reflect current SEO best practices, Google algorithm changes, and web standards evolution. Last major update: September 2024.
Comparison
How our tool compares to manual audits and paid SEO platforms
| Feature | Free Audit | Manual Audit | Paid SEO Platform |
|---|---|---|---|
| Technical SEO checks | ✓ Automated | ✓ Manual | ✓ Automated |
| On-page analysis | ✓ 100+ checks | ✓ Comprehensive | ✓ Comprehensive |
| Broken link detection | ✓ Automatic | ✓ Manual | ✓ Automatic |
| Schema validation | ✓ Built-in | ✓ Manual | ✓ Built-in |
| Core Web Vitals | ✓ Measured | ⚠ External tool | ✓ Measured |
| Instant results | ✓ <15 seconds | ✗ Hours/days | ✓ Minutes |
| No subscription | ✓ Always free | ✓ Free | ✗ Paid monthly |
| No API credits | ✓ Unlimited | ✓ N/A | ⚠ Limited credits |
| No signup required | ✓ Anonymous | ✓ N/A | ✗ Account required |
| Keyword database | ✗ Not included | ✗ Not included | ✓ Included |
| Backlink analysis | ✗ Not included | ⚠ Manual check | ✓ Included |
| Competitor analysis | ✗ Not included | ⚠ Manual | ✓ Included |
| Historical tracking | ✗ Not included | ⚠ Manual | ✓ Included |
| Rank tracking | ✗ Not included | ✗ Separate tool | ✓ Included |
Note: Our free audit focuses on what can be analyzed directly from your website: technical implementation, on-page optimization, content quality, and performance. Paid platforms offer additional features like keyword rankings, backlink indexes, and competitive intelligence that require large proprietary databases we don't maintain. For comprehensive SEO strategy, consider using our tool for technical/on-page audits alongside tools like Google Search Console for search performance data.
Learn & Master
Everything you need to know about auditing and improving your website's search performance.
FAQ
Everything you need to know about our free SEO audit tool
An SEO audit is a comprehensive analysis of your website's search engine optimization health. It evaluates technical infrastructure (crawlability, indexing, site structure), on-page elements (meta tags, headings, content), performance metrics (Core Web Vitals, page speed), and other factors affecting your ability to rank in search engines. An audit identifies issues blocking search engines, uncovers optimization opportunities, and provides a roadmap for improving organic visibility.
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Run a comprehensive SEO audit in seconds. Get actionable recommendations to boost your search rankings, improve user experience, and drive more organic traffic — completely free.