Complete headless Wix SEO audit checklist
Module 43: Wix Headless SEO | Lesson 500 of 687 | 52 min read
By Michael Andrews, Wix SEO Expert UK
This final lesson provides the complete 60-point SEO audit checklist specifically designed for headless Wix implementations. Use this checklist at launch and quarterly to ensure your headless site maintains its SEO advantage.

Technical Foundation (15 Points)
- All public pages render complete HTML on the server (SSG/ISR/SSR)
- No critical content loaded via client-side JavaScript only
- Robots.txt properly configured and accessible at domain root
- XML sitemap includes all indexable URLs with accurate lastmod dates
- Sitemap submitted to Google Search Console and showing no errors
- HTTPS enforced with proper certificate and HSTS headers
- Custom 404 page returns correct HTTP 404 status code
- Canonical tags present and self-referencing on all pages
- Pagination implemented with proper rel="next"/rel="prev" tags
- Wix backend URLs are noindexed or redirect to headless frontend
- No mixed content warnings (HTTP resources on HTTPS pages)
- Clean URL structure without query parameters for primary content
- Trailing slash handling consistent across all URLs
- Redirect chains limited to single hops (no chain of 301s)
- Server response codes correct for all page types (200, 301, 404)
Content and On-Page SEO (15 Points)
- Unique title tags on every page pulled from Wix CMS SEO fields
- Meta descriptions present and unique for all indexable pages
- H1 tags present and unique on every page
- Heading hierarchy follows logical H1 > H2 > H3 structure
- Image alt text populated from Wix Media Manager descriptions
- Internal linking structure connects related content effectively
- Breadcrumb navigation present and matches URL hierarchy
- Content renders above the fold without JavaScript requirement
- Open Graph tags present for social sharing optimisation
- Twitter Card tags present for Twitter sharing optimisation
- Wix blog content renders with proper semantic HTML
- Product content includes all relevant details from Wix API
- No duplicate content across paginated, filtered or variant pages
- Reading time and dates displayed for blog content
- Author information included on article pages
Structured Data (10 Points)
- Organization schema present on homepage linking to social profiles
- WebSite schema with SearchAction for sitelinks search box
- Product schema on all product pages with price and availability
- Article schema on all blog posts with author and dates
- BreadcrumbList schema matching visible breadcrumb navigation
- FAQ schema on FAQ pages and product pages with questions
- LocalBusiness schema if serving local customers
- ItemList schema on category and collection pages
- All schema validates in Google Rich Results Test
- No schema errors reported in Google Search Console
Performance (10 Points)
- LCP under 2.5 seconds on mobile PageSpeed Insights
- CLS under 0.1 on both mobile and desktop
- INP under 200ms with minimal client-side JavaScript
- TTFB under 800ms from edge locations
- Images served in WebP/AVIF via Wix CDN with proper sizing
- Hero image preloaded with fetchpriority="high"
- JavaScript bundle under 150KB gzipped for initial page load
- Web fonts preloaded with font-display: swap
- Third-party scripts deferred or loaded asynchronously
- Service worker configured for offline capability and repeat visits
International SEO (5 Points)
- Hreflang tags present on all multilingual pages
- X-default hreflang set for language/region fallback
- International sitemaps include hreflang annotations
- Translated content is unique and reviewed by native speakers
- Language-specific URLs follow consistent subdirectory pattern
Monitoring and Maintenance (5 Points)
- Google Search Console verified and monitored weekly
- Core Web Vitals monitoring set up with real user metrics
- Automated crawl comparison between pre and post-headless baselines
- Wix webhook integration triggers rebuilds on content changes
- Monthly SEO reporting comparing headless performance to pre-migration baseline
Quarterly Review: Run this complete audit quarterly. Headless sites can drift from best practices as new features are added and new developers join the project. Regular audits catch issues before they impact rankings.
This lesson on Complete headless Wix SEO audit checklist is part of Module 43: Wix Headless SEO in The Most Comprehensive Complete Wix SEO Course in the World (2026 Edition). Created by Michael Andrews, the UK's No.1 Wix SEO Expert with 14 years of hands-on experience, 750+ completed Wix SEO projects and 425+ verified five-star reviews.