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Shopify Technical Audit Checklist

The Comprehensive Shopify Technical Audit Checklist (2025 Edition)

A beautiful store that loads slowly or has broken links is like a Ferrari with a flat tire. It looks great, but it won't get you anywhere. This technical audit checklist covers the exact process I use when auditing 7 and 8-figure Shopify brands.

Phase 1: Performance & Speed (Core Web Vitals)

Google doesn't just want your site to be fast; they want it to represent a good user experience. Since March 2024, INP (Interaction to Next Paint) replaced FID, so if you haven't audited your site recently, you're likely failing.

⚡ Performance Checklist

  • Run PageSpeed Insights: Aim for >70 on Mobile and >90 on Desktop.
  • Check LCP (Largest Contentful Paint): Is your hero banner loading under 2.5s? Use fetchpriority="high" on the LCP image.
  • Fix Layout Shifts (CLS): Ensure all images and video elements have explicit width and height attributes.
  • Lazy Load Images: Ensure all non-critical images have loading="lazy".
  • Audit Third-Party Scripts: Remove unused apps. Move tracking pixels to Shopify Pixels (Customer Events) where possible.

Phase 2: Technical SEO Audit

It doesn't matter how good your content is if Google can't crawl it efficiently.

1. Canonical Structure

Shopify creates duplicate URLs by default (e.g., /collections/all/products/product-name vs /products/product-name). Ensure your theme is editing the canonical tags correctly to point to the root product URL.

2. Structured Data (Schema Markup)

Use the Schema Validator. You should have valid JSON-LD for:

  • Product (with Price, Availability, and AggregateRating)
  • Organization
  • BreadcrumbList
  • Article (for blog posts)

3. Sitemap & Robots.txt

Verify that your sitemap.xml is submitted to Google Search Console and that your robots.txt isn't blocking critical resources.

Phase 3: Codebase & Theme Health

Over time, Shopify themes accumulate "code rot" from installed and uninstalled apps.

🧹 Code Cleanup Checklist

  • Inspect theme.liquid: Look for script tags from deleted apps. They often leave render 'app-snippet' lines that cause errors.
  • Check Assets Folder: Delete CSS and JS files that are no longer referenced.
  • Console Errors: Open Chrome DevTools > Console. Are there red errors? A clean console = a happy browser.

Phase 4: App Audit (The Silent Killer)

Every app you install adds JavaScript execution time. Be ruthless.

  • Redundant Apps: Do you have three different apps for popups, rewards, and reviews? Consolidate them.
  • Frontend vs. Backend: Backend apps (like order management) usually don't slow down your site. Frontend apps (page builders, sliders) do.
  • Theme App Extensions: Ensure apps are using modern Theme App Extensions, which are faster and cleaner than old script tag injections.

Phase 5: User Experience (UX) & Accessibility

You can be sued for having an inaccessible website. Plus, accessibility improves SEO.

  • Alt Text: Do all images have descriptive alt text?
  • Keyboard Navigation: Can you tab through the entire checkout process?
  • Contrast Ratios: Is your grey text on a white background readable?
  • Broken Links: Use a crawler to find and fix 404 errors.

Ready to Scale?

If you went through this list and found more red flags than green checks, it might be time for a professional audit. I offer deep-dive technical audits that identify every bottleneck holding your sales back.

Overwhelmed by this list? Let me handle the audit for you.

Book a Technical Audit