Free Website
Audit Tool Online
Audit a website online in seconds. Paste any URL and get a score out of 100 from 73 named checks across SEO, technical, speed, mobile, security, content and accessibility, plus Core Web Vitals from Google PageSpeed and a plain fix list for everything that failed. Free, no signup.
What We Analyze
Technical SEO
Titles, descriptions, headings, canonicals, schema, robots.txt, sitemap, broken links, 404 page
Performance
Server response, page and DOM size, render blocking files, image formats, caching, minification, HTTP/2
Mobile UX
Viewport, responsive CSS, theme colour, mobile snapshot from Google
Security
HTTPS, security headers, mixed content, open folders, SPF and DMARC
Accessibility
Form labels, page language, link text, landmarks, heading order
Content Quality
Readability, word count, keyword stuffing, trust signals
Conversion
Tips on CTAs, trust and contact details (not scored)
Fix Guides
Step by step fixes, code examples, ordered by severity
Why Website Audits Matter for Your Online Success
A website audit is the foundation of any successful digital strategy. Our free website audit tool reads the HTML and headers of your page and up to 4 pages it links to, requests the links, files and records around them, and checks the things that stop Google from crawling, indexing and trusting a site. From broken internal links and slow server responses to missing meta tags and a missing mobile viewport, we catch issues that could be holding your site back from reaching its full potential.
Boost Search Rankings
Fix technical SEO issues that prevent Google from properly crawling and indexing your pages.
Speed Up Your Site
Identify performance bottlenecks that cause visitors to bounce before your page loads.
Mobile-First Optimization
Most visits now come from phones, so make sure your site works on every screen size.
Security & Trust
Detect HTTPS issues, missing security headers, insecure forms and other problems that put users at risk.
What Makes Our Audit Tool Different?
- Completely Free: No signup, no credit card, no daily cap
- Prioritized: Fixes ordered by how much they matter
- PDF Reports: Download and share professional audit reports
- 73 Named Checks: SEO, technical, speed, mobile, security, accessibility and content, plus conversion tips
- Quick Wins: Start with the findings that matter most, each with clear fix steps
Still have questions?
Email us, or book a full manual audit if you want a person to go through your site.
How to Audit a Website Online With This Tool
To audit a website, paste its URL into the box at the top of this page and press Audit Website. The tool fetches that page and up to 4 internal pages it links to, reads the HTML your server sends, and runs 73 named checks across seven scored areas: SEO, technical, performance, security, content, accessibility and mobile, plus conversion tips that do not change the score. Speed data comes from Google PageSpeed Insights. You get a scored report in under a minute.
SEO Analysis
Checks title tags, meta descriptions, heading structure, canonical tags, robots directives, sitemap presence, keyword stuffing signals and internal link structure.
Page Speed and Core Web Vitals
Reads Largest Contentful Paint (LCP), Cumulative Layout Shift (CLS), Interaction to Next Paint (INP) and Time to First Byte (TTFB) from Google PageSpeed, plus render blocking resources, page size, compression and image optimization.
Mobile and UX
Tests the mobile viewport, responsive CSS and theme colour, and shows a mobile snapshot from Google PageSpeed. Font size and tap target size need a real browser, so we leave those to the PageSpeed results rather than guess.
Security
Validates HTTPS, mixed content and security headers such as Strict Transport Security, Content Security Policy and X Frame Options.
Each finding costs points in its category by severity, and the seven category scores are weighted into your overall Site Health Score out of 100. Core Web Vitals are shown next to the score, not inside it, and tips such as conversion ideas or email records never change it.
URL Audit: Check a Single Page or a Whole Site
Sometimes you do not need a full site crawl. You need a URL audit on the one page that matters: a product page that is not converting, a blog post that dropped in rankings, or a landing page you are about to launch. Paste that exact URL and the audit starts there. The tool scans the page you enter and up to four more pages it links to, so a homepage URL gives you a quick view of the whole site and a deep URL keeps the audit focused.
A focused URL audit is also a fast way to study a competitor. Audit their top ranking page and compare the result with yours: whether they use structured data, whether their images are sized and lazy loaded, and how clean their heading structure is. For developers, it is a quick check after a deployment that titles, meta tags and security headers came through as intended.
Want a person to read the report with you?
The free tool tells you what is broken. It cannot tell you which three fixes will move your rankings first, or rewrite the pages for you. Run the free audit above, and if you want the findings turned into a prioritised plan, see our paid website audit services and pricing.
See audit pricingWhat Your Website Audit Score Means
| Score Range | Rating | What It Means | Priority |
|---|---|---|---|
| 90 to 100 | Excellent | Your site meets all major technical standards. Focus on content and authority. | Maintenance mode |
| 75 to 89 | Good | Minor issues present. Fix flagged items to protect rankings. | Low urgency |
| 60 to 74 | Needs Work | Multiple issues affecting crawlability or user experience. Fix within 30 days. | Medium urgency |
| 40 to 59 | Poor | Significant technical problems likely suppressing rankings. Fix immediately. | High urgency |
| Below 40 | Critical | Severe issues that may be stopping Google from indexing or trusting pages. Escalate now. | Emergency |
Scores are recalculated on each audit run, so a fix shows up the next time you audit the page. Rankings move more slowly, because Google has to recrawl the page first.
Free Website Grader: How the Grade Is Calculated
A website grader gives your site a number out of 100. That number is only useful if you can see what produced it. Most graders show you the score, colour it red, and then ask for your email before they will tell you which checks failed. This one does not. Enter a URL and you get the grade and the full breakdown in the same screen, with no signup.
The grade comes from 73 named checks across seven scored categories. Every finding has a severity (critical, high, medium or low) and costs points in its category, and a problem found on every page costs more than one found on a single page. Small low priority notes are capped per category, so a pile of minor notes cannot sink a score. The categories are then weighted: SEO 22%, Technical 18%, Performance 15%, Security 12%, Content 12%, Accessibility 11% and Mobile 10%. Weak categories pull the grade down more than strong ones push it up. Any critical finding, such as no HTTPS or robots.txt blocking Googlebot, caps the grade at 55. Core Web Vitals from Google are shown next to the grade but are not part of it yet.
What Is a Good Website Health Score?
Anything from 75 up is a solid foundation, and very few real sites score 100 on a first run. More useful than the overall number is which category drags the average down, because that tells you where an afternoon of work buys the most. A site scoring 72 with a performance score of 40 has a completely different to do list from a site scoring 72 with an accessibility score of 40.
One caution worth stating plainly: a high grade does not guarantee rankings, and a mediocre grade does not prevent them. A site scoring 85 with genuinely useful content will outrank a site scoring 98 with thin content. Treat the grade as a list of things that could be holding you back, not as a score to max out.
Website Audit Report Example: A Real Result
We ran this tool on our own site, developersmatrix.com, on 23 October 2026. The numbers below are exactly what it returned, so you can see what a report looks like before you run one.
Site Health Score
97/100
- Pages scanned
- 5
- Findings
- 21
- Critical and high
- 0
- Medium
- 0
- Low
- 21
Category scores
- SEO98
- Technical100
- Content97
- Mobile100
- Performance93
- Security97
- Accessibility97
Conversion is listed as tips and does not count toward the score.
Top Findings From That Audit
- 1
Very Many HTML Elements on the Page Performance, low
Suggested fix: Look for repeated or hidden blocks, such as big menus, hidden tabs and sliders, and trim what the first screen does not need.
- 2
Images Not Served in WebP or AVIF Performance, low
Suggested fix: Convert the blog images to WebP or AVIF, or serve them through next/image.
- 3
Images Without Width and Height Performance, low
Suggested fix: Add width and height attributes that match each image, or set an aspect-ratio in CSS.
- 4
Title May Be Cut Short in Search Results SEO, low
Suggested fix: Put the most important words first so they show even if the end is cut.
- 5
Content-Security-Policy Does Not Limit Scripts Security, low
Suggested fix: Add a nonce or hash based script-src in report only mode first, then enforce it once ads and analytics are tested.
Read every finding against your own page before acting on it. An automated check reads code, not intent. The trust signals check, for example, only counts clear wording such as named reviews, review counts or a guarantee, so a page that earns trust in other ways can still be flagged. Sorting real problems from noise like this is what our manual website audit does.
Site Audit Checklist: What Each Check Means
A thorough site audit check covers more than page speed. This is the technical SEO checklist we recommend. The small line under each heading names the checks you will see in your report, and the ticked items are what to confirm, with the tool or by hand.
Technical SEO
Meta Title, Meta Description, H1, Canonical Tag, Robots.txt, XML Sitemap and Structured Data tests.
- Unique title tag on every page (50 to 60 characters)
- Unique meta description (120 to 158 characters)
- One H1 per page, headings in order
- Canonical tag on every page
- XML sitemap submitted to Google Search Console
- Robots.txt configured correctly
- Structured data (Article, FAQ, Organization)
- No broken internal links or redirect chains
Performance
Server Response Time, HTML Size, DOM Size, Image Dimensions, Modern Image Format, Render Blocking Resources, Image Lazy Loading, Text Compression, Caching Headers, Minification and HTTP/2 tests.
- LCP under 2.5 seconds
- INP under 200 milliseconds
- CLS under 0.1
- Images in WebP or AVIF format
- Text compression enabled
- CSS and JavaScript not blocking the first paint
- Offscreen images lazy loaded
- Fast server response (Time to First Byte)
Mobile and Security
Viewport, Media Query Responsive, Theme Color, HTTPS, Mixed Content, Directory Browsing and security header tests.
- Viewport meta tag configured
- Tap targets at least 48 pixels
- No horizontal scroll on mobile
- HTTPS enforced sitewide
- Security headers (HSTS, CSP, X Frame Options)
- No mixed content warnings
Accessibility and Content
Image Alt Text, Heading Structure, Form Label, Page Language, Link Text, Content Length, Readability and Keyword Stuffing tests.
- Alt text on all images
- Form labels linked to their inputs
- Readable text with enough contrast
- Content over 300 words where the page needs it
- No keyword stuffing
- Clear calls to action present
You do not need to memorise the checklist. Run the audit and follow the fix list, which is ordered by how much each problem matters. For the full manual version with every step written out, read our website audit checklist and the on page SEO guide.
Curious how real sites do on these checks? We ran this audit on 255 local business websites for our small business website statistics 2026 study.
Website Code Audit: Check Your HTML, CSS & JavaScript Quality
A website code audit goes deeper than surface level SEO checks. It examines the markup, stylesheets and scripts that power your site. Heavy CSS, render blocking JavaScript and messy markup are invisible to visitors but slow the page down and make it harder for search engines to read.
This tool covers the code checks that can be measured automatically from the outside: doctype and charset, deprecated HTML, HTML and DOM size, render blocking stylesheets and scripts, minified CSS and JavaScript, text compression, caching headers, image width, height, format and lazy loading, heading structure, image alt text, structured data, mixed content and security headers. Deeper work such as full HTML validation, finding unused CSS rules and profiling JavaScript needs access to the code itself, and our code audit guide walks through it step by step.
What Our Website Code Audit Checks
- Doctype, charset and deprecated HTML tags
- HTML size, DOM size and number of script files
- Render blocking CSS and JavaScript
- Minified CSS and JavaScript
- Text compression (gzip or Brotli)
- Image width, height and lazy loading
- Heading hierarchy (H1 through H6)
- Missing alt attributes on images
- Structured data present and valid
- Mixed content, subresource integrity and security headers
What Is a Website Code Audit?
A website code audit is a technical inspection of the HTML, CSS and JavaScript that power your website. Unlike a visual review, it examines how the site is built, how efficiently it loads, and how correctly search engines and assistive technologies can interpret it. The goal is a prioritised action plan that separates critical technical problems from minor improvements.
How is a code audit different from an SEO audit? An SEO audit focuses on search visibility: crawlability, indexing, content and links. A code audit digs into the technical foundation underneath. Poor code quality often causes SEO problems, such as invalid markup that breaks rendering or JavaScript that stops content appearing in search results, so the two work best together.
Want a Step by Step Code Audit Walkthrough?
Our Website Code Audit Guide covers HTML validation, CSS optimisation, JavaScript performance, security hardening and schema, with checklists you can follow today.
Read the website code audit guideOnline Website Auditor: Free Tool or Paid Audit?
Not everyone wants to download software, learn a command line tool, or pay for a subscription just to analyze a site online. That is why we built this online website auditor. It runs in your browser, needs no installation or account, and works on a phone as well as a desktop.
Desktop website auditor tools like Screaming Frog or Sitebulb need installing, configuring and often a licence for larger sites. They are powerful, but more than you need for a quick picture of what is broken. Whether you are a freelancer checking a client site, a developer checking a deployment, or a marketer checking a landing page before a campaign, an online audit gets you the answer in seconds.
Why Use a Free Website Audit Tool Online
Think of it as an audit checker you can run whenever you need it: after a redesign, before a launch, or whenever traffic dips. A good online website auditor should give you the whole picture without getting in the way.
- No setupNo downloads, no account and nothing to configure.
- Any deviceWorks in the browser on a phone, tablet or desktop.
- A report you can shareDownload the full report as a PDF for your team or developer.
- Free every timeNo trial period, no card details and no signup.
Free Website Health Check
A free website health check is the fastest way to know whether your site is in good shape or losing traffic. Think of it like a routine check up: you do not wait for a ranking drop to look. It checks whether Google can crawl the site, whether the server responds quickly, whether images are dragging the page down, and whether the security headers are in place.
There is no commitment. Enter any URL above and you get a full report in under a minute, with no email gate and no trial. Run it on your homepage, a landing page, or a competitor's site to see where you stand, and run it again after each round of fixes to track your score.
Website Audit Cost: Free vs Paid Tools in 2026
If you have looked up website audit cost, you know the range is wide. Agencies charge anywhere from $500 to $5,000 for a full manual audit. Subscription tools like Ahrefs and Semrush run from about $99 to several hundred dollars a month, and desktop crawlers like Screaming Frog charge an annual licence. For a small business site, a portfolio, a blog or a startup, a free website audit tool covers most of what matters.
| Option | Cost | Best For | Limitations |
|---|---|---|---|
| DevelopersMatrix tool | Free | Quick checks, small sites, developers | Up to 5 pages per scan |
| DevelopersMatrix manual audit | From $9.99 | A person checks the findings and writes the fix list | Fixed scope per audit |
| Google Lighthouse | Free | Performance and Core Web Vitals | Limited SEO checks, one page at a time |
| Screaming Frog | Annual licence | Full site crawls, technical SEO | Desktop only, steep learning curve |
| Ahrefs or Semrush site audit | Monthly subscription | Large sites, backlinks, rank tracking | Expensive if you only need audits |
| Agency audit | $500 to $5,000 | Custom strategy and manual review | Slow turnaround, high cost |
Our Recommendation
Start with a free website audit to find your biggest issues and fix the critical and high priority findings first. If you want a person to check the findings and turn them into a plan, our website audit services start at $9.99. If your site has tens of thousands of pages, or you need ongoing rank tracking, a subscription tool is worth it.
7 Website Problems That Kill Rankings in 2026
Slow Server Response Times
If your server takes over 800 milliseconds to respond, you have lost time before the page even starts loading. Cheap shared hosting, slow databases and missing caching are the usual causes. The audit measures Time to First Byte so you can see whether the delay is on the server or in the page itself.
Unoptimized Images
Serving a 2MB hero image as a PNG is one of the most common reasons a page is slow. WebP and AVIF files are usually far smaller at the same quality, responsive images with srcset serve the right size for each screen, and lazy loading delays images below the fold. The audit checks lazy loading, whether images declare their width and height, and whether they are served as WebP or AVIF.
Missing or Duplicate Meta Descriptions
Google often uses the meta description for the search result snippet. Without one, Google picks text from the page that may not earn the click. Every important page should have a unique description between 120 and 158 characters.
Broken Internal Links and Orphan Pages
Broken links waste crawl budget and frustrate visitors. Pages with no internal links pointing to them are hard for Google to find at all. The audit requests the links on the pages it scans, up to 40 internal and 20 outbound per audit, and lists each broken one with the page it was found on.
Missing Schema Markup
Structured data helps Google understand your content and can unlock rich results such as breadcrumbs in search. Article, FAQ and Organization markup suit most content sites. The audit checks whether structured data is present and readable.
Poor Accessibility
Missing alt text, form fields without labels, low contrast and keyboard traps shut out visitors who rely on assistive technology, and in many places accessibility is also a legal requirement under standards such as WCAG 2.1 AA.
Third Party Script Bloat
Analytics, chat widgets, ad networks and social embeds each add weight. A heavy tag manager setup or chat widget can add seconds to load time on a phone. Load these scripts after the main content, or remove the ones you do not use.
What Google Checks in 2026
Core Web Vitals
Google measures three metrics. Largest Contentful Paint tracks loading speed and should stay under 2.5 seconds. Interaction to Next Paint measures responsiveness and should stay under 200 milliseconds. Cumulative Layout Shift tracks visual stability and should stay under 0.1. The audit reports all three from Google PageSpeed where Google has field data for the page.
Mobile First Indexing
Google uses the mobile version of your page for indexing and ranking. If the mobile site is slow, broken or missing content compared with desktop, that is the version Google judges. The audit checks the mobile viewport, responsive CSS and theme colour, and shows a mobile snapshot from Google PageSpeed. Font size and tap target size need a real browser, so check those on a phone or in the PageSpeed results.
Trust Signals and E-E-A-T
Experience, Expertise, Authoritativeness and Trustworthiness. Quality raters look for author information, sources, secure connections, privacy policies and about pages. The audit checks for common trust signals and flags what is missing.
Technical Foundations
Canonical tags, one H1 per page, sensible meta descriptions, structured data, an XML sitemap and a correct robots.txt. They are not glamorous, but everything else builds on them. A broken canonical tag alone can stop the right page from ranking.
Common Issues by Platform
WordPress Sites
The most common issues on WordPress are plugins that still load files after you stop using them, missing caching, oversized images uploaded without compression, and heavy themes full of unused CSS and JavaScript.
Quick wins include a caching plugin, compressing images on upload, removing plugins you do not use, readable permalinks, and a lightweight theme.
Shopify Stores
The most common issues on Shopify are large product images, heavy theme JavaScript, app scripts loading on every page, missing alt text on product photos, and duplicate content from collection filters.
Quick wins include compressing images before upload, lazy loading images below the fold, removing apps you do not use, unique descriptions on collection pages, and canonical tags on filtered collection URLs.
Next.js and React Apps
The most common issues on modern frameworks are pages rendered only in the browser without proper meta tags, large JavaScript bundles, images that skip next/image, and navigation that crawlers cannot follow.
Quick wins include generateMetadata in the App Router, next/image with proper sizes, dynamic imports for heavy components, and server rendering for important pages.
How to Turn Audit Results Into Ranking Improvements
Getting a report is useless if you do not act on it. Here is the priority order we recommend for fixing issues, based on impact and effort.
Phase 1: Critical Fixes (Do These Today)
- Fix broken links first. Internal 404s waste crawl budget and hurt the visitor experience. The report lists the exact URLs.
- Add missing meta descriptions, written for the reader, between 120 and 158 characters.
- Move the site to HTTPS if it is not already there. Browsers mark plain HTTP pages as not secure.
- Add missing alt text to images. Screen readers need it, and image search relies on it.
- Add a canonical tag to every page to prevent duplicate content problems, especially on filtered pages.
Phase 2: Performance Optimization (This Week)
- Compress images, convert large PNGs to WebP or AVIF, serve responsive sizes and lazy load images below the fold.
- Set long cache headers for static files so repeat visits load faster.
- Minify CSS and JavaScript and remove code you no longer use.
- If Time to First Byte is over 800 milliseconds, look at caching, a CDN or faster hosting.
- Defer scripts that are not needed to show the page, such as analytics, chat widgets and social feeds.
Phase 3: Content and SEO Enhancements (This Month)
- Add structured data that fits the page: Article, FAQ or Organization markup.
- Link related pages to each other so every important page has several internal links pointing to it.
- Expand thin pages with genuinely useful information.
- Add author information and dates to articles.
- Create an XML sitemap and submit it in Google Search Console.
After each phase, run the audit again to confirm the fixes worked, then give Google a few weeks to recrawl. Do not chase a perfect 100. An 85 with great content beats a 98 with thin content.
Frequently Asked Questions About Website Audits
Is this website audit tool completely free?
Is this a website grader?
How is a website grade calculated?
What does the website audit tool check in 2026?
How accurate is this compared to Google Lighthouse?
Will fixing audit issues actually improve my Google rankings?
How often should I run a website audit in 2026?
Does this work for WordPress, Shopify, Next.js, and other platforms?
What is a good website audit score?
Can I download or share the audit report?
What is a free website health check and why do I need one?
How much does a website audit cost in 2026?
Can I audit a single URL instead of my entire website?
What is the best online website auditor for small businesses?
Why is my website audit score low?
Can I audit a competitor's website?
How is this different from Google Search Console?
What makes the DevelopersMatrix Site Health Score different from other audit tools?
Audit Your Website in Seconds. It is Free
No signup. No credit card. Paste a URL and get a clear list of what to fix, in order of impact.
Run Your Free Website AuditWebsite Audit Guides
Core Web Vitals Targets
What Google counts as good, for 75% of visits
- 2.5 sor less for Largest Contentful Paint, how fast the main content appears
- 200 msor less for Interaction to Next Paint, how quickly the page reacts
- 0.1or less for Cumulative Layout Shift, how much the layout jumps