SEO Audit Checklist for 2026 — Complete Technical & Content Review

Technical SEO Audit

• Site loads under 3 seconds on mobile (Google PageSpeed Insights)
• Core Web Vitals passing (LCP, INP, CLS)
• Mobile-friendly design (Google Mobile-Friendly Test)
• SSL certificate active and no mixed content warnings
• XML sitemap submitted to Google Search Console
• Robots.txt properly configured
• No duplicate content or canonical issues
• Structured data (schema markup) implemented correctly
• Clean URL structure (no parameters, no excessive depth)
• 404 errors identified and redirected

On-Page SEO Audit

• Every page has a unique, keyword-targeted title tag (under 60 characters)
• Meta descriptions are compelling and under 160 characters
• One H1 per page containing the primary keyword
• Proper heading hierarchy (H1 → H2 → H3)
• Internal linking connects related pages
• Images have descriptive alt text
• Content is comprehensive and answers user intent
• CTAs are clear and above the fold

Content & Backlink Audit

• Identify thin or outdated content pages for updating or consolidation
• Check keyword rankings and identify content gaps
• Review backlink profile for toxic or spammy links
• Compare domain authority against competitors
• Identify link-building opportunities (guest posts, directories, partnerships)

Get a free SEO audit from ITD GrowthLabs — we will review your entire site and deliver an actionable report within 48 hours.