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// FREE CHECKLIST · TECHNICAL SEO
Technical SEO Audit Checklist 2026
41 binary checks. Diagnose your foundation before you scale content.
A printable, 5-page checklist covering crawlability, indexability, architecture, internal linking, Core Web Vitals, mobile UX, JavaScript rendering, structured data, hreflang, AI-crawler signals, and security baselines. Group your remediation work into 14-, 45-, and 90-day sprints. Re-run quarterly.
What you get
- 0141 binary checks grouped into 10 sections + 2 security bonuses
- 02How-to-prioritize-fixes rubric — what to ship first, what to ship last
- 03AI-crawler-signals section (new for 2026): llms.txt, robots policy for GPTBot / ClaudeBot / Google-Extended / PerplexityBot, sameAs entity references
- 04When-to-bring-in-an-SEO-partner triggers — 5 honest signals
Who it is for
- · In-house SEO leads owning a multilingual or international site
- · Engineering teams evaluating a site before a redesign or migration
- · Marketing leaders triaging an underperforming organic channel
Preview
- Section 1 (Crawlability) — robots.txt at apex, sitemap referenced, log analysis shows healthy crawl-to-index
- Section 5 (Core Web Vitals) — LCP < 2.5s, INP < 200ms, CLS < 0.1, FCP < 1.8s, TTFB < 800ms (p75 mobile)
- Section 9 (AI Crawler Signals) — llms.txt, explicit AI-crawler policy in robots.txt, sameAs references on Organization / Author markup
This checklist is a general technical-SEO audit reference. It is not legal, financial, or medical advice, and it is not a guarantee of search rankings or specific business outcomes.