Checklist

SEO Audit Checklist

A comprehensive SEO audit checklist to identify technical issues, content gaps, and optimization opportunities. Use this to systematically analyze and improve your site's search performance.

60+ Audit Points

6 Categories

Priority Framework

Technical Foundation

Core technical elements that affect crawling and indexing.

Verify site is accessible to search engines (not blocked by robots.txt)Critical

Tool: Google Search Console, robots.txt tester

Check XML sitemap exists and is submitted to search enginesCritical

Tool: GSC, manually check /sitemap.xml

Verify HTTPS is implemented across all pagesCritical

Tool: Site crawl, browser check

Check for mixed content warnings (HTTP resources on HTTPS pages)High

Tool: Browser console, SSL checker

Test site load speed (aim for < 3 seconds)High

Tool: PageSpeed Insights, GTmetrix

Check Core Web Vitals (LCP, FID/INP, CLS)High

Tool: PageSpeed Insights, GSC CWV report

Verify mobile-friendlinessCritical

Tool: Mobile-Friendly Test, manual testing

Check for crawl errors in Search ConsoleHigh

Tool: GSC Coverage report

Identify and fix broken links (4xx errors)High

Tool: Screaming Frog, Ahrefs

Check for redirect chains and loopsMedium

Tool: Screaming Frog, redirect checker

Verify proper use of canonical tagsHigh

Tool: Site crawl, manual inspection

Check for duplicate content issuesHigh

Tool: Siteliner, Screaming Frog

Crawlability & Indexing

Ensure search engines can discover and index your content.

Review robots.txt for unintended blocksCritical

Tool: GSC robots.txt tester

Check for noindex tags on pages that should be indexedCritical

Tool: Site crawl, manual inspection

Review crawl budget usage (for large sites)Medium

Tool: GSC Crawl Stats

Verify important pages are in sitemapHigh

Tool: Compare sitemap to site crawl

Check sitemap for 404s or redirectsMedium

Tool: Screaming Frog sitemap mode

Review internal linking structureHigh

Tool: Site crawl, internal link analysis

Identify orphan pages (no internal links)Medium

Tool: Screaming Frog, Ahrefs

Check click depth (pages should be reachable in 3-4 clicks)Medium

Tool: Site crawl depth report

On-Page SEO

Page-level optimization elements.

Review title tags (unique, 50-60 characters, keyword-optimized)Critical

Tool: Site crawl, bulk analysis

Review meta descriptions (unique, 150-160 characters, compelling)High

Tool: Site crawl, bulk analysis

Check H1 tags (one per page, includes primary keyword)High

Tool: Site crawl

Review heading hierarchy (logical H1-H6 structure)Medium

Tool: Manual inspection, site crawl

Audit image alt text (descriptive, not keyword-stuffed)Medium

Tool: Site crawl image report

Check for missing or oversized imagesMedium

Tool: Site crawl, PageSpeed Insights

Review URL structure (short, descriptive, keyword-relevant)Medium

Tool: Site crawl, manual review

Verify structured data implementationMedium

Tool: GSC, Rich Results Test

Check for thin content pages (< 300 words)High

Tool: Site crawl word count

Content Quality

Content performance and optimization opportunities.

Identify pages with declining traffic/rankingsHigh

Tool: GA4, GSC, rank tracking

Review content for outdated informationMedium

Tool: Manual content audit

Check for keyword cannibalizationHigh

Tool: GSC performance by query, Ahrefs

Identify content gaps vs. competitorsMedium

Tool: Ahrefs Content Gap, SEMrush

Review top-performing content for optimization opportunitiesMedium

Tool: GA4, GSC, manual review

Check for duplicate or near-duplicate contentHigh

Tool: Siteliner, Copyscape

Verify E-E-A-T signals (expertise, experience, authority, trust)Medium

Tool: Manual review, author bios, citations

Off-Page Factors

Backlinks, authority signals, and local SEO.

Analyze backlink profile qualityHigh

Tool: Ahrefs, Moz, Majestic

Identify toxic or spammy backlinksHigh

Tool: Ahrefs, GSC links report

Check for lost backlinks from high-authority sitesMedium

Tool: Ahrefs Lost Backlinks report

Review anchor text distributionMedium

Tool: Ahrefs, Majestic

Analyze competitor backlink profilesMedium

Tool: Ahrefs, SEMrush

Check Google Business Profile optimization (local SEO)High

Tool: GBP dashboard, manual review

Audit NAP consistency across citations (local SEO)High

Tool: Moz Local, BrightLocal

Performance Metrics

Key metrics to track and analyze.

Review organic traffic trends (YoY, MoM)Critical

Tool: GA4, GSC

Analyze keyword ranking distributionHigh

Tool: Ahrefs, SEMrush, rank tracker

Check click-through rates by page/queryHigh

Tool: GSC Performance report

Review conversion rates from organic trafficHigh

Tool: GA4 conversions

Analyze bounce rate and engagement metricsMedium

Tool: GA4 engagement report

Compare performance to competitorsMedium

Tool: Ahrefs, SEMrush, SimilarWeb

Recommended Tools

Crawling & Technical

Screaming Frog(Paid/Free)

Site crawling

Google Search Console(Free)

Indexing, errors

Ahrefs Site Audit(Paid)

Technical issues

Speed & Performance

PageSpeed Insights(Free)

Core Web Vitals

GTmetrix(Free/Paid)

Load time analysis

WebPageTest(Free)

Detailed waterfall

Backlinks & Authority

Ahrefs(Paid)

Backlink analysis

Moz Link Explorer(Paid/Free)

Domain authority

Majestic(Paid)

Trust flow metrics

Content & Keywords

Surfer SEO(Paid)

Content optimization

Clearscope(Paid)

Content scoring

SEMrush(Paid)

Keyword research

Issue Prioritization Framework

Critical (Fix immediately)

Issues blocking indexing or causing major ranking loss

Examples: Noindex on key pages, blocked by robots.txt, site down

High (Fix within 1-2 weeks)

Issues significantly impacting rankings or user experience

Examples: Slow page speed, duplicate content, broken important links

Medium (Fix within 1 month)

Issues affecting optimization but not critical

Examples: Missing meta descriptions, poor internal linking, thin content

Low (Address when possible)

Minor optimizations and nice-to-haves

Examples: Image optimization, anchor text improvements, minor redirects

Related resources

Helpful tools and guides to support your SEO audit process.

Site Audit Tool

Run an automated technical health check on any URL

Broken Link Checker

Scan for dead internal and external links across your site

Meta Tag Analyser

Review title tags and meta descriptions for SEO best practices

Robots.txt Validator

Check your robots.txt for unintended crawl blocks

Heading Structure Checker

Verify your heading hierarchy follows best practices

Page Indexing Checker

Confirm key pages are indexed and not accidentally blocked

Technical SEO Basics

Understand the technical foundations your audit uncovers

On-Page SEO Basics

Fix the on-page issues your audit reveals

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