The Complete Site Audit Checklist for 2026

Published by SiteCrawlIQ Team

The Complete Site Audit Checklist for 2026

Whether you're auditing your own site or a client's, this checklist covers everything that matters.

Technical SEO

[ ] All pages return 200 status codes (no unexpected 404s or 500s)

[ ] No redirect chains (max 1 hop)

[ ] HTTPS everywhere (no mixed content)

[ ] Valid XML sitemap submitted to Search Console

[ ] robots.txt is correct and accessible

[ ] Pages load in under 3 seconds

[ ] Core Web Vitals pass (LCP < 2.5s, INP < 200ms, CLS < 0.1)

[ ] Mobile-friendly responsive design

[ ] No duplicate content issues

[ ] Canonical tags set correctly

On-Page SEO

[ ] Every page has a unique title tag (under 60 characters)

[ ] Every page has a unique meta description (under 160 characters)

[ ] Every page has one H1 tag

[ ] Heading hierarchy is logical (H1 > H2 > H3)

[ ] Images have descriptive alt text

[ ] Internal linking structure is healthy

[ ] No orphan pages (pages with no internal links)

Content Quality

[ ] No thin content pages (under 300 words for content pages)

[ ] Content is original and not duplicated

[ ] Content answers user intent clearly

[ ] Statistics and data points are included where relevant

[ ] Content is updated regularly (check for stale dates)

[ ] Expert authorship is established (author bios, credentials)

GEO/AEO Readiness (NEW in 2026)

[ ] llms.txt file exists at root with accurate description

[ ] robots.txt allows GPTBot, ClaudeBot, PerplexityBot

[ ] JSON-LD structured data on all pages (Organization, WebSite minimum)

[ ] OpenGraph and Twitter Card meta tags present

[ ] Content uses answer-first formatting

[ ] Question-based headings where appropriate

[ ] Content freshness signals (dates, "Updated" tags)

[ ] Citability score above 70 (clear, factual, well-structured)

Conversion/CRO

[ ] Clear CTAs above the fold on key pages

[ ] Trust signals present (testimonials, logos, certifications)

[ ] Contact information easily findable

[ ] Forms are minimal friction (fewest fields possible)

[ ] Pricing is transparent

[ ] Mobile conversion paths work

Off-Page Signals

[ ] Google Business Profile is claimed and optimized

[ ] Brand search volume is growing

[ ] Backlink profile is healthy (no toxic links)

[ ] Social profiles are linked and active

[ ] Brand mentions appear in AI engine results

Running the Audit

You can check most of these manually, but a comprehensive audit tool saves hours. SiteCrawlIQ checks 142+ SEO signals and 40+ GEO factors automatically, then prioritizes what to fix first using AI analysis.

The best audit is one you actually act on. Focus on the highest-impact issues first.

The Complete Site Audit Checklist for 2026