AUTHOR: Taqweem Ahmad, Founder of Dexora Digital | TARGET: Businesses running technical SEO + preparing for AI search visibility

A checklist only works if it is actually checked.

This is the practical run-through-it version  every element a website needs to be both search-engine-friendly and AI-discoverable in 2026, with the specific tools to verify each one. Run the automated version of this full checklist at allinoneseoaudit.com in 60 seconds. Or work through each category manually using the checks below.

AI Overviews now appear on approximately 48 percent of all tracked search queries. AI search traffic converts at 14.2 percent versus 2.8 percent for standard organic. Domain authority is the strongest predictor of AI citation  high-authority sites earn three times more AI citations. These numbers have one implication: technical SEO and GEO are no longer separate workstreams. They are the same infrastructure maintained together.

Section 1 — Crawlability and Indexation

• robots.txt accessible at yourdomain.com/robots.txt and no critical pages blocked
• GPTBot explicitly allowed  check at aiagentchecker.net
• ClaudeBot explicitly allowed
• PerplexityBot explicitly allowed
• Google-Extended explicitly allowed
• Applebot-Extended explicitly allowed
• XML sitemap valid, current, and submitted to Google Search Console
• Canonical tags correct on all pages  no canonical chains or self-referencing errors
• No accidental noindex on important pages
• No crawl errors in GSC Coverage report

The single most common finding across 500+ audits: AI crawlers blocked in robots.txt. A legacy Disallow rule added years ago is silently making your website invisible to ChatGPT, Perplexity, and Google AI. Check now at aiagentchecker.net. The fix takes 10 minutes.

Section 2 — Core Web Vitals and Performance

• Mobile LCP under 2.5 seconds  test specifically on mobile, not just desktop
• Desktop LCP under 2.5 seconds
• Mobile INP under 200 milliseconds
• Mobile CLS under 0.1
• Images compressed to WebP format and lazy-loaded
• CSS and JavaScript minified
• Browser caching enabled
• CDN configured for global performance
• TTFB (Time to First Byte) under 200 milliseconds

Only 43 percent of websites pass all three Core Web Vitals on mobile. Google applies the ranking disadvantage across every page on the site simultaneously  not just the pages that fail the test. Check your scores on mobile specifically, since desktop scores are consistently better and give a false picture of what Google is evaluating.

Section 3 — Schema Markup and Structured Data

• Organization schema on homepage — name, URL, logo, contact, social profiles
• LocalBusiness schema on any locally-serving business — address, phone, hours, service area
• Service schema on every service page — explicit service definition
• FAQPage schema on every page with question-and-answer content
• BreadcrumbList schema on all inner pages
• Article schema on all blog posts — with author, datePublished, dateModified
• AggregateRating schema on pages with reviews — after 5+ reviews available
• All schema validated using Google’s Rich Results Test
• JSON-LD format used throughout — not Microdata or RDFa

FAQPage schema deserves specific attention. Despite the removal of FAQ rich results from traditional search, FAQPage schema remains the primary signal AI systems use to identify citable question-and-answer content. Do not remove it. The channel that benefits shifted from visual rich results to AI citation eligibility.

Section 4 — AI Discoverability and GEO Requirements

• llms.txt file created at yourdomain.com/llms.txt  company name, services, expertise, mission
• All AI crawlers explicitly allowed in robots.txt (checked at aiagentchecker.net)
• FAQPage schema implemented on all FAQ content  primary AI citation signal
• Entity signals consistent across website, GBP, and all directory listings
• Brand information verifiable and consistent  name, description, facts match across all web presence
• Direct factual answer content on key pages  structured for AI extraction
• AI search impressions being tracked in Google Search Console AI Performance Reports

llms.txt adoption remains under one percent of websites. This is an open window for early movers. The file provides AI systems with structured information about your brand in the same way robots.txt provides directives to search crawlers — but serving a completely different purpose. Implementation takes 30 minutes and the window of first-mover advantage will not stay open indefinitely.

Section 5 — Site Architecture and Security

• No redirect chains  A redirecting to B redirecting to C loses link equity at each hop
• No broken redirects returning 404
• Valid HTTPS SSL certificate with no mixed content warnings
• HSTS headers implemented
• URLs clean, descriptive, and consistent across the site
• Breadcrumb navigation present and matching BreadcrumbList schema
• Important commercial pages within 3 clicks of homepage
• No orphaned pages  all important pages receive internal links

How to Prioritize This Checklist

Triage by impact. Fix in this order:

Priority 1 — Fix first today: AI crawler access in robots.txt and llms.txt creation. Both are quick to implement and unlock an entire visibility channel.

Priority 2 — This week: Core Web Vitals failures on highest-traffic pages. FAQPage schema across all FAQ content. Canonical tag corrections.

Priority 3 — This month: Full schema implementation across all page types. Internal linking audit. Redirect chain cleanup.

Priority 4 — Ongoing: Monthly Core Web Vitals monitoring. llms.txt updates as services change. GSC AI Performance Report review.

Tools Referenced in This Checklist

Related Reading

→ Technical SEO Guide 2026 — The foundational guide behind every item in this checklist

→ Technical SEO Audit Guide 2026 — Full audit walkthrough with fix instructions

→ Technical SEO Audit Checklist 2026 — 40-point checklist version

→ Schema Markup for SEO — Complete schema implementation guide

→ AI Search SEO Services — GEO and AEO optimization services

→ GEO vs AEO vs SEO — How the three disciplines relate

→ LLMS.txt AI SEO Guide — Complete llms.txt implementation guide

→ Technical SEO Services — Professional implementation of every item in this checklist