E-Commerce Website Audit Framework

TL;DR #

This framework provides a comprehensive audit method for e-commerce websites. It covers SEO, performance, accessibility, front-end code, architecture, security, integrations, documentation, and operations. Each section includes sample do’s and don’ts, recommended tools, and evaluation criteria. These examples are illustrative only; in real audits, there are many more program-, client-, and project-specific checks. Deliverables include an executive summary, a detailed findings report, and a scorecard (1–5 rating) to prioritize fixes.

1. SEO & Online Visibility #

What to check: On-page optimization, structured data, crawlability, and search performance.

✅ Do

Use descriptive page titles & unique meta descriptions.
Add structured data (schema.org for products, reviews, breadcrumbs).
Submit XML sitemaps to Google Search Console.

❌ Don’t

Stuff keywords unnaturally.
Use duplicate content across product pages.
Block important content with robots.txt.

SEO Tools #

Browser: Lighthouse SEO Audit - Documentation
SaaS: SEMrush - Docs, Ahrefs - Academy, Screaming Frog - User Guide
Agentic: Surfer SEO - Knowledge Base for content optimization

2. Performance & Scalability #

What to check: Speed, resource usage, and ability to handle growth.

✅ Do

Optimize images (WebP/AVIF, responsive sizes).
Minify and bundle JS/CSS carefully.
Use a CDN for global delivery.

❌ Don’t

Load blocking scripts in <head>.
Ignore mobile performance (LCP > 2.5s is bad).
Rely only on vertical scaling instead of elasticity.

Performance Tools #

Browser: Chrome DevTools - Performance tab guide
SaaS: WebPageTest - Documentation, GTmetrix - Help Center, SpeedCurve - Docs
CI/CD: Lighthouse CI - Getting Started, k6 - Documentation for load testing

3. Accessibility #

What to check: Compliance with WCAG 2.1+ and real-world usability.

✅ Do

Provide alt text for all images.
Ensure sufficient color contrast (use a contrast checker).
Make all functionality accessible via keyboard.

❌ Don’t

Convey information only by color.
Hide focus outlines.
Skip ARIA roles where needed.

Accessibility Tools #

Browser: axe DevTools - User Guide, WAVE - Documentation, Lighthouse Accessibility Audit - Accessibility docs
Automated: Pa11y CI - Usage Guide
Manual: Screen readers (NVDA - User Guide, JAWS - Documentation, VoiceOver - User Guide)

Reference: Publicis Sapient CoE Accessibility in Canada – “Accessibility for All” initiative

4. Front-End Code Quality #

What to check: Clean, maintainable, and performant code.

✅ Do

Write semantic HTML (<button>, not <div onclick>).
Use CSS naming conventions (e.g. BEM).
Split JS bundles and lazy load non-critical code.

❌ Don’t

Mix styling inline (style="").
Abuse !important in CSS.
Depend on large frameworks for trivial functionality.

Quality Tools #

Static Analysis: ESLint - Documentation, Stylelint - User Guide
Browser: Coverage tab in DevTools (unused CSS/JS)
CI/CD: SonarQube - Documentation for code quality

5. Software Architecture #

What to check: Scalability, modularity, and resilience.

✅ Do

Apply Domain-Driven Design for modularity.
Version APIs and document them (Swagger, OpenAPI).
Add observability (structured logging, distributed tracing).

❌ Don’t

Couple business logic tightly with UI.
Skip caching strategies (API + DB).
Forget failure recovery (retry, circuit breaker).

Architecture Tools #

Code Level: Architecture Decision Records (ADR) - Templates, PlantUML - Language Reference Guide diagrams
Monitoring: Datadog - Documentation, New Relic - Docs, OpenTelemetry - Documentation
Testing: Postman - Learning Center/Newman - CLI docs for APIs

6. Security #

What to check: Protect against vulnerabilities, compliance with standards.

✅ Do

Use HTTPS everywhere (HSTS enabled).
Hash and salt passwords (bcrypt, Argon2).
Apply least privilege to user roles.

❌ Don’t

Store secrets in code.
Trust client-side validation alone.
Disable security headers (CSP, X-Frame-Options).

Security Tools #

Browser: Security tab in Chrome DevTools
Code Level: OWASP Dependency-Check - Documentation, Snyk - Documentation
SaaS: Burp Suite - Documentation, OWASP ZAP - User Guide (DAST scans)

7. Integrations & APIs #

What to check: Reliability and compliance of third-party systems.

✅ Do

Implement retry & backoff strategies.
Secure APIs with OAuth2/JWT.
Use monitoring for payment/logistics APIs.

❌ Don’t

Hardcode API keys.
Skip sandbox testing before production release.
Assume vendor APIs never change.

Integrations Tools #

Postman - Documentation, Insomnia - Documentation (manual testing)
Pact - Documentation (contract testing)
WireMock - Documentation (API mocking)

8. Documentation & Governance #

What to check: Knowledge sharing, standards, and process.

✅ Do

Maintain a living API spec.
Document architecture decisions.
Include audit reports with scoring and remediation.

❌ Don’t

Let docs go stale.
Hide findings in long PDFs with no clear action plan.
Forget to track NFRs in backlog.

Documentation Tools #

Confluence - Documentation, Notion - Help Center, or GitHub Wiki - About wikis
ADR templates - Examples (Architectural Decision Records)
Scorecards & dashboards (Grafana - Documentation)

9. Processes & Operations #

What to check: Deployment, monitoring, and resilience.

✅ Do

Automate testing in CI/CD (unit, integration, regression).
Add DevSecOps scanning to the pipeline.
Define SLAs and measure them with monitoring.

❌ Don’t

Deploy directly to production without review.
Ignore alert fatigue (too many false alarms).
Skip cost monitoring for cloud services.

Process Tools #

CI/CD: GitHub Actions - Documentation, GitLab CI - CI/CD Guide, Jenkins - Documentation
Observability: Prometheus - Documentation + Grafana - Docs, ELK Stack - Documentation
Incident Mgmt: PagerDuty - Documentation, Opsgenie - Documentation

Deliverables of the Audit #

Executive Summary for stakeholders
Detailed findings with “Do/Don’t” recommendations
Scorecards for SEO, performance, accessibility, security, etc.
Actionable roadmap with priorities (Quick Wins vs. Long-Term Fixes)

Example Deliverables #

Executive Summary (Example) #

Project: Audit of “ShopNow E-Commerce” Date: September 2025

The audit identified several strengths in the current platform, including a scalable cloud architecture and good API documentation. However, there are significant gaps in accessibility, performance, and security.

Accessibility: The site does not meet WCAG 2.1 AA. Missing alt text, poor contrast, and keyboard traps were found. This limits usability for a portion of users and poses compliance risks.
Performance: Load times on mobile devices are slow (LCP ~4.2s). Large unoptimized images and render-blocking scripts are the main issues.
Security: Outdated libraries with known vulnerabilities were detected. No CSP headers are set, leaving the site vulnerable to XSS attacks.
SEO: Overall strong, but duplicate meta descriptions and missing structured data for products reduce search visibility.

Recommended Roadmap:

Quick Wins (0–3 months): Fix image optimization, apply security headers, add alt text.
Mid-Term (3–6 months): Upgrade dependency management, add Lighthouse CI in pipeline, implement automated accessibility checks.
Long-Term (6+ months): Redesign color palette for accessibility, adopt service mesh for API resilience, build observability dashboards.

Scorecard (Example, 1–5 Rating) #

Category	Rating (1–5)	Notes
SEO	3	Indexing is fine, but missing structured data and duplicate metas.
Performance	2	Mobile performance weak (LCP > 4s), no CDN usage.
Accessibility	1	WCAG compliance poor, several critical blockers.
Frontend Code	3	Semantics okay, but CSS unstructured, JS bundles too large.
Architecture	4	Modular and scalable, but observability limited.
Security	2	Outdated libs, missing CSP and secure headers.
Integrations	4	APIs well documented, retry logic missing in payments.
Documentation	3	Good developer docs, but no audit or ADRs kept updated.
Processes/Ops	4	CI/CD pipeline in place, but no DevSecOps or automated scans.

Legend:

1 = Critical (high risk, urgent fix needed)
2 = Weak (many gaps, below industry standard)
3 = Acceptable (meets minimum expectations, needs improvements)
4 = Strong (good practice, minor improvements possible)
5 = Excellent (industry leading, no action needed)