# SEO/GEO 360° Audit Checklist ## Usage Use this checklist as a template for any website audit. Copy it to your project's output folder and check items as you go. --- ## 1. Technical SEO - [ ] `robots.txt` exists and is correctly configured - [ ] `sitemap.xml` exists with all pages, `lastmod`, `changefreq`, `priority` - [ ] Sitemap includes `xhtml:link` hreflang alternates (if multilingual) - [ ] Canonical URLs present on all pages - [ ] Hreflang tags for each language variant - [ ] Meta robots: `index, follow, max-image-preview:large, max-snippet:-1` - [ ] HTTPS enforced - [ ] No render-blocking resources (fonts preloaded, CSS inlined or local) - [ ] Mobile viewport meta tag present - [ ] Favicon present (SVG preferred, fallback PNG) - [ ] 404 error page exists - [ ] Page load time < 3 seconds ## 2. On-Page SEO - [ ] `` tag: 50-60 chars, contains primary keyword, unique per page - [ ] `<meta description>`: 150-160 chars, contains CTA, unique per page - [ ] `<meta keywords>`: relevant long-tail keywords - [ ] `<meta author>`: present - [ ] Single `<h1>` per page, descriptive, keyword-rich - [ ] Logical H2-H6 hierarchy - [ ] Images: `alt` tags, `width`/`height`, `loading="lazy"`, WebP format - [ ] Internal linking between pages - [ ] External links: `rel="noopener"` on `target="_blank"` - [ ] Content length adequate (300+ words for landing pages) ## 3. Schema.org / Structured Data - [ ] Primary schema type (Organization/LocalBusiness/ProfessionalService) - [ ] Service schema for each service offered - [ ] FAQPage schema with real Q&As (minimum 5 questions) - [ ] WebPage schema (datePublished, dateModified, inLanguage) - [ ] BreadcrumbList schema - [ ] Person schema for founder/team (if applicable) - [ ] Review/AggregateRating schema (if applicable) - [ ] Validated with Google Rich Results Test ## 4. GEO (Generative Engine Optimization) - [ ] `llms.txt` file at site root with structured business info - [ ] Content uses clear headings with question-based format - [ ] FAQ section with expandable answers - [ ] Concise, factual content per section (answers visible without interaction) - [ ] AI crawlers allowed in `robots.txt`: - [ ] GPTBot - [ ] ChatGPT-User - [ ] PerplexityBot - [ ] ClaudeBot - [ ] Google-Extended - [ ] Content freshness: `dateModified` in schema, visible update dates - [ ] E-E-A-T signals: author credentials, "About" info, LinkedIn links - [ ] Tested queries in ChatGPT, Perplexity, and Gemini ## 5. Local SEO - [ ] Geo meta tags: `geo.region`, `geo.placename`, `geo.position`, `ICBM` - [ ] NAP (Name, Address, Phone/Email) in footer - [ ] `<address>` HTML element used - [ ] Schema includes `geo` (GeoCoordinates), `areaServed`, `address` - [ ] Google Business Profile created and optimized - [ ] Local keywords in title, description, and H1 - [ ] Citations on directories (Pages Jaunes, Google Maps, etc.) ## 6. Accessibility - [ ] Skip navigation link - [ ] `aria-hidden="true"` on decorative SVGs and elements - [ ] `aria-label` on `<section>` and `<nav>` elements - [ ] `aria-pressed` on toggle buttons - [ ] Color contrast WCAG AA (4.5:1 minimum) - [ ] Keyboard-navigable form elements - [ ] `<html lang>` attribute set correctly (dynamic for multilingual) - [ ] `prefers-reduced-motion` media query support ## 7. Social & Sharing - [ ] Open Graph: `og:title`, `og:description`, `og:image`, `og:url`, `og:type` - [ ] `og:site_name` present - [ ] `og:locale` with `og:locale:alternate` for other languages - [ ] `og:image` dimensions 1200×630px - [ ] Twitter Card: `twitter:card` (summary_large_image) - [ ] Social preview tested with sharing debugger tools ## 8. Multilingual SEO (if applicable) - [ ] `<html lang>` dynamic based on selected language - [ ] Bilingual `<title>` and `<meta description>` (via server-side logic) - [ ] Hreflang tags for each page × each language - [ ] `x-default` hreflang set - [ ] Schema.org `description` in correct language - [ ] OG tags in correct language (`og:locale`) - [ ] Sitemap includes hreflang alternates per URL - [ ] Language preference persisted (localStorage/cookie) - [ ] Auto-detection of browser language (`navigator.language`) - [ ] Legal pages (Privacy, Terms) translated ## 9. Content & Keywords - [ ] Primary keyword identified per page - [ ] Long-tail keyword variants in content - [ ] Location-based keywords (city, region, country) - [ ] Service-specific keywords - [ ] Competitor keyword gap analysis - [ ] Content matches search intent (informational, transactional, navigational) ## 10. PageSpeed 100% — Performance Perfection Loop > Reference: See `pagespeed-playbook.md` for complete technique catalog with code examples. ### Performance (Impact-Ordered) - [ ] Self-hosted fonts (woff2) — no Google CDN - [ ] Font preload with `fetchpriority="high"` for critical weight - [ ] `font-display: swap` on all `@font-face` rules - [ ] ALL CSS inlined in production HTML (zero render-blocking) - [ ] `.htaccess` cache headers: 1yr for static assets, 1hr for HTML - [ ] Gzip/Brotli compression enabled (mod_deflate) - [ ] ALL `<img>` tags have explicit `width` and `height` attributes - [ ] Below-fold images have `loading="lazy"` - [ ] LCP image has `fetchpriority="high"` - [ ] Third-party scripts use `async defer` - [ ] CLS = 0 (no layout shifts during load) ### Accessibility (WCAG AA) - [ ] ALL text/background combos ≥ 4.5:1 contrast ratio - [ ] White text on orange backgrounds replaced with dark text (#1a0800) - [ ] Dim/muted text on dark backgrounds brightened to ≥ #a0b0b8 - [ ] Badge text with transparency backgrounds ≥ #d4dde3 - [ ] Checked: CTA buttons, active nav states, badges, footer, form labels, tags ### Best Practices - [ ] No console errors from own code - [ ] Third-party console errors documented as known limitations - [ ] All external links have `rel="noopener noreferrer"` - [ ] All resources loaded over HTTPS ### Anti-Patterns (NEVER DO) - [ ] ❌ Never use `media="print" onload` for CSS (causes CLS 0.936) - [ ] ❌ Never load fonts from external CDN without local fallback - [ ] ❌ Never leave `<img>` tags without width/height dimensions - [ ] ❌ Never fix contrast issues one at a time (batch ALL at once)