Website Audit Tool: Find What Is Actually Broken (Not Just What Scores Low)

The website audit came back clean. SEO score: 94. Performance: 89. Accessibility: 96. No crawl errors. No broken links.

Three days later, a user tweets that your signup form has been returning an error for a week.

The audit did not catch it because the audit never submitted the form. It checked whether the form existed, whether the page loaded, whether the inputs had proper labels. It did not check whether clicking Submit actually worked.

This is the gap between the audits most teams run and the audits that find real problems.

Types of Website Audits

SEO audit

Purpose: Identify factors that affect search engine ranking and crawlability.

What it checks:

• Title tags, meta descriptions, H1 structure
• Page speed and Core Web Vitals
• Mobile-friendliness
• Crawlability and indexing
• Internal linking and site architecture
• Duplicate content and canonical tags
• Broken links (404 responses)
• Structured data markup

Tools: Ahrefs Site Audit, Semrush Site Audit, Screaming Frog, Google Search Console

What it cannot check:

• Whether interactive elements work
• Whether user flows complete successfully
• Whether JavaScript-rendered content is actually functional

Performance audit

Purpose: Identify factors that affect page load speed and user experience metrics.

What it checks:

• Largest Contentful Paint (LCP)
• Cumulative Layout Shift (CLS)
• Interaction to Next Paint (INP)
• Time to First Byte (TTFB)
• Asset optimization (images, CSS, JS bundles)
• Caching configuration
• CDN and hosting performance

Tools: Google Lighthouse, GTmetrix, WebPageTest, Chrome DevTools

What it cannot check:

• Post-load functionality
• Whether the interactions that happen after load actually work

Security audit

Purpose: Identify vulnerabilities and security misconfigurations.

What it checks:

• SSL/TLS configuration
• HTTP security headers
• Known CVEs in dependencies
• Exposed admin interfaces
• Mixed content issues
• Malware and injected code

Tools: Qualys SSL Labs, OWASP ZAP, Sucuri, Snyk

Functional audit

Purpose: Verify that user flows and features work correctly.

What it checks:

• Form submission end-to-end (input → submit → confirmation → data received)
• Authentication flows (registration, login, password reset, logout)
• Transaction flows (add to cart, checkout, payment, confirmation)
• Navigation accuracy (links go where expected)
• Search functionality (returns relevant results)
• Key user journeys from entry to completion

Tools: HelpMeTest, Playwright, Cypress, manual testing

What it catches that other audits miss:

• Every functional failure that returns HTTP 200

How to Run a Functional Website Audit

A functional audit is structured around user journeys. Rather than crawling pages, it executes flows.

Step 1: Map your critical user journeys

List every meaningful thing a user can do on your site:

Step 2: Execute each journey

For each journey, complete every step and verify every expected outcome.

Do not just check that pages load. Submit the form. Complete the checkout. Verify the email arrived.

Example — auditing a registration flow:

1. Go to the signup page
2. Fill in all required fields with valid data
3. Submit
4. Verify the confirmation message appears on screen
5. Check your inbox — did the confirmation email arrive?
6. Click the confirmation link in the email
7. Verify account is now active
8. Log out, log back in
9. Verify login succeeds and you reach the expected page

If any step fails, that is a functional audit finding. Document it with exact reproduction steps.

Step 3: Test failure states

Happy path testing only covers one scenario. Functional audits also test what happens when things go wrong.

For forms: Submit with empty required fields. Submit with invalid email format. Submit with data that is too long.

For login: Attempt login with wrong password. Attempt login with unregistered email. Attempt login after account lockout.

For checkout: Attempt purchase with declined card. Attempt purchase with expired card. Attempt purchase while logged out.

Each failure state should produce a clear, helpful error message — not a crash, not a blank screen, not a redirect to the homepage.

Step 4: Test across environments

Browser differences are common sources of functional failures. A checkout that works in Chrome may fail in Safari due to differences in how they handle JavaScript events, form submission, or CSS layout.

Step 5: Automate it

Manual audits find what exists today. Automated functional testing catches what breaks tomorrow.

HelpMeTest lets you describe your user journeys in plain English and runs them on a schedule:

Audit signup flow for example.com:

1. Go to /signup
2. Enter test email and password
3. Click "Create Account"
4. Verify "Check your email" message appears
5. Verify confirmation email arrives within 2 minutes

Set this to run every 15 minutes. Every time it runs, it is a mini-audit of your signup flow. The moment something breaks, you get an alert — not a customer complaint.

Functional Audit Checklist

Use this as a starting point. Add flows specific to your site.

Authentication

• Registration with valid data completes and sends confirmation email
• Registration with existing email shows appropriate error
• Login with valid credentials leads to expected destination
• Login with invalid credentials shows error (not crash)
• Password reset sends email within 2 minutes
• Password reset link works and allows new password
• Logout terminates session (can't navigate back without re-login)

Forms and submissions

• Each form submits successfully with valid data
• Each form shows confirmation after submission
• Form submission data reaches its destination (inbox, database, CRM)
• Each form shows validation errors for invalid input
• Required field validation prevents submission of incomplete forms

E-commerce

• Product search returns relevant results
• Add to cart works and persists across navigation
• Checkout form accepts all required input
• Payment processes with test card
• Order confirmation page appears after payment
• Confirmation email arrives within 5 minutes
• Inventory/stock counts update correctly

Navigation

• All main navigation links go to the correct destination
• Logo links to homepage
• Footer links all work
• 404 page exists and has useful navigation back to content
• No infinite redirect loops on any URL

Mobile-specific

• All forms are completable on mobile (tap targets accessible, keyboard does not obscure submit)
• Mobile navigation opens and closes correctly
• All flows completable on iOS Safari
• All flows completable on Android Chrome

What a Good Functional Audit Report Contains

When you document findings from a functional audit, each item should include:

1. Flow affected — e.g., "Checkout — payment step"
2. Reproduction steps — exact steps to reproduce, including test data used
3. Expected result — what should happen
4. Actual result — what actually happens
5. Browser/device — where the issue was observed
6. Severity — impact on users (critical: blocks core functionality; major: degrades experience; minor: cosmetic or edge case)

This format makes findings actionable. A developer reading the report can reproduce the issue and fix it without additional investigation.

Combining Audit Types

A complete audit strategy addresses all layers:

The functional audit is the only one that needs to run continuously — because functional breakage happens from code deployments, which happen constantly.

Start Your Functional Audit

1. List your three most critical user journeys. For most sites: login, checkout or signup, contact or lead form.
2. Execute each journey end-to-end. Submit forms. Complete purchases. Verify emails. Don't just look at pages.
3. Document what fails. Each failure is a finding. Prioritize by user impact.
4. Automate the journeys. Set up HelpMeTest to run them every 15 minutes. The automated check becomes your ongoing audit.
5. Review before every deployment. Add the automated results to your deployment checklist.

A free HelpMeTest account covers 10 tests — enough to audit every critical flow on most sites.