SEO + GEO: sitemap, robots, JSON-LD, canonical & article metadata, llms.txt

- app/sitemap.ts, app/robots.ts (allows AI crawlers), app/llms.txt route
- Person + WebSite JSON-LD sitewide; BlogPosting + BreadcrumbList on posts
- Per-page canonical URLs; rich OG/Twitter/article metadata on blog posts
- Fix orphaned config.seo.ogImage (/og/default.jpg -> /images/og.png)

Strategy docs in designs/ (gitignored): seo-strategy.md, geo-strategy.md

src/app/blog/[slug]/page.tsx

@@ -3,6 +3,7 @@ import { getAllPosts, getPostBySlug } from "@/lib/blog";
 import { siteConfig } from "@/lib/config";
 import { MDXRemote } from "next-mdx-remote/rsc";
 import { mdxComponents } from "@/components/blog/MDXComponents";
+import { JsonLd } from "@/components/JsonLd";
 import rehypeHighlight from "rehype-highlight";
 import Link from "next/link";
 import type { Metadata } from "next";
@@ -19,9 +20,29 @@ export async function generateMetadata({ params }: Props): Promise<Metadata> {
   const { slug } = await params;
   const post = getPostBySlug(slug);
   if (!post) return {};
+
+  const url = `${siteConfig.url}/blog/${slug}`;
+  const image = post.image ?? siteConfig.seo.ogImage;
+
   return {
-    title: `${post.title} | ${siteConfig.name}`,
+    title: post.title,
     description: post.description,
+    alternates: { canonical: `/blog/${slug}` },
+    openGraph: {
+      type: "article",
+      title: post.title,
+      description: post.description,
+      url,
+      publishedTime: post.date || undefined,
+      authors: [siteConfig.name],
+      images: [{ url: image, alt: post.title }],
+    },
+    twitter: {
+      card: "summary_large_image",
+      title: post.title,
+      description: post.description,
+      images: [image],
+    },
   };
 }
 
@@ -35,8 +56,31 @@ export default async function BlogPostPage({ params }: Props) {
   const prev = idx < allPosts.length - 1 ? allPosts[idx + 1] : null;
   const next = idx > 0 ? allPosts[idx - 1] : null;
 
+  const url = `${siteConfig.url}/blog/${slug}`;
+  const articleSchema = {
+    "@context": "https://schema.org",
+    "@type": "BlogPosting",
+    headline: post.title,
+    description: post.description,
+    datePublished: post.date || undefined,
+    author: { "@type": "Person", name: siteConfig.name, url: siteConfig.url },
+    image: post.image ?? siteConfig.seo.ogImage,
+    mainEntityOfPage: url,
+    url,
+  };
+  const breadcrumbSchema = {
+    "@context": "https://schema.org",
+    "@type": "BreadcrumbList",
+    itemListElement: [
+      { "@type": "ListItem", position: 1, name: "Blog", item: `${siteConfig.url}/blog` },
+      { "@type": "ListItem", position: 2, name: post.title, item: url },
+    ],
+  };
+
   return (
     <main className="mx-auto min-h-dvh max-w-3xl px-6 pt-32 pb-16">
+      <JsonLd data={articleSchema} />
+      <JsonLd data={breadcrumbSchema} />
       <Link
         href="/blog"
         className="mb-8 inline-flex items-center gap-1 text-sm text-secondary transition-colors hover:text-accent"

src/app/blog/page.tsx

@@ -1,11 +1,11 @@
 import { getAllPosts, getAllTags } from "@/lib/blog";
-import { siteConfig } from "@/lib/config";
 import type { Metadata } from "next";
 import { BlogListClient } from "./BlogListClient";
 
 export const metadata: Metadata = {
-  title: `Blog | ${siteConfig.name}`,
+  title: "Blog",
   description: "Thoughts on code, design, and building things on the web.",
+  alternates: { canonical: "/blog" },
 };
 
 export default function BlogPage() {

src/app/interests/page.tsx

@@ -1,10 +1,10 @@
-import { siteConfig } from "@/lib/config";
 import type { Metadata } from "next";
 import { InterestsClient } from "./InterestsClient";
 
 export const metadata: Metadata = {
-  title: `Interests | ${siteConfig.name}`,
+  title: "Interests",
   description: "What I'm up to across the web — a live feed of my activity.",
+  alternates: { canonical: "/interests" },
 };
 
 export default function InterestsPage() {

src/app/layout.tsx

@@ -3,9 +3,32 @@ import { Inter, JetBrains_Mono } from "next/font/google";
 import { ThemeProvider } from "next-themes";
 import { GlassNav } from "@/components/ui/GlassNav";
 import { Analytics } from "@/components/Analytics";
+import { JsonLd } from "@/components/JsonLd";
 import { siteConfig } from "@/lib/config";
 import "./globals.css";
 
+const sameAs = Object.values(siteConfig.social).filter(
+  (v) => v.startsWith("http"),
+);
+
+const personSchema = {
+  "@context": "https://schema.org",
+  "@type": "Person",
+  name: siteConfig.name,
+  url: siteConfig.url,
+  jobTitle: siteConfig.seo.jobTitle,
+  description: siteConfig.description,
+  ...(sameAs.length ? { sameAs } : {}),
+};
+
+const websiteSchema = {
+  "@context": "https://schema.org",
+  "@type": "WebSite",
+  name: siteConfig.name,
+  url: siteConfig.url,
+  author: { "@type": "Person", name: siteConfig.name },
+};
+
 const inter = Inter({
   variable: "--font-inter",
   subsets: ["latin"],
@@ -19,9 +42,13 @@ const jetbrainsMono = JetBrains_Mono({
 });
 
 export const metadata: Metadata = {
-  title: siteConfig.name,
+  title: {
+    default: siteConfig.name,
+    template: `%s | ${siteConfig.name}`,
+  },
   description: siteConfig.description,
   metadataBase: new URL(siteConfig.url),
+  alternates: { canonical: "/" },
   openGraph: {
     title: siteConfig.name,
     description: siteConfig.description,
@@ -30,7 +57,7 @@ export const metadata: Metadata = {
     type: "website",
     images: [
       {
-        url: "/images/og.png",
+        url: siteConfig.seo.ogImage,
         width: 1200,
         height: 630,
         alt: siteConfig.name,
@@ -41,7 +68,7 @@ export const metadata: Metadata = {
     card: "summary_large_image",
     title: siteConfig.name,
     description: siteConfig.description,
-    images: ["/images/og.png"],
+    images: [siteConfig.seo.ogImage],
   },
   icons: {
     icon: [
@@ -66,6 +93,8 @@ export default function RootLayout({
       className={`${inter.variable} ${jetbrainsMono.variable}`}
     >
       <body className="min-h-dvh bg-surface font-sans text-primary antialiased">
+        <JsonLd data={personSchema} />
+        <JsonLd data={websiteSchema} />
         <ThemeProvider
           attribute="class"
           defaultTheme={siteConfig.theme.defaultTheme}

src/app/llms.txt/route.ts

@@ -0,0 +1,30 @@
+import { siteConfig } from "@/lib/config";
+import { getAllPosts } from "@/lib/blog";
+
+// ponytail: GEO ROI is unproven (see designs/geo-strategy.md) but this is
+// near-zero cost and auto-generated, so it can't go stale.
+export function GET() {
+  const { name, title, description, url } = siteConfig;
+  const posts = getAllPosts();
+
+  const body = `# ${name}
+
+> ${title}. ${description}
+
+## Pages
+
+- [Home](${url}/): About, projects, and contact for ${name}
+- [Blog](${url}/blog): Posts on code, design, and building things on the web
+- [Stack](${url}/stack): Self-hosted services and homelab infrastructure
+- [Interests](${url}/interests): Live feed of activity across the web
+
+## Blog posts
+${posts
+  .map((p) => `- [${p.title}](${url}/blog/${p.slug}): ${p.description}`)
+  .join("\n")}
+`;
+
+  return new Response(body, {
+    headers: { "Content-Type": "text/plain; charset=utf-8" },
+  });
+}

src/app/robots.ts

@@ -0,0 +1,17 @@
+import type { MetadataRoute } from "next";
+import { siteConfig } from "@/lib/config";
+
+// ponytail: single allow-all rule covers AI crawlers (GPTBot, PerplexityBot,
+// ClaudeBot, Google-Extended, etc.) too — we WANT them for GEO. Add per-bot
+// rules only if a specific crawler ever needs blocking.
+export default function robots(): MetadataRoute.Robots {
+  return {
+    rules: {
+      userAgent: "*",
+      allow: "/",
+      disallow: "/api/",
+    },
+    sitemap: `${siteConfig.url}/sitemap.xml`,
+    host: siteConfig.url,
+  };
+}

src/app/sitemap.ts

@@ -0,0 +1,23 @@
+import type { MetadataRoute } from "next";
+import { siteConfig } from "@/lib/config";
+import { getAllPosts } from "@/lib/blog";
+
+export default function sitemap(): MetadataRoute.Sitemap {
+  const base = siteConfig.url;
+
+  const staticRoutes = ["", "/blog", "/stack", "/interests"].map((path) => ({
+    url: `${base}${path}`,
+    lastModified: new Date(),
+    changeFrequency: "weekly" as const,
+    priority: path === "" ? 1 : 0.7,
+  }));
+
+  const posts = getAllPosts().map((post) => ({
+    url: `${base}/blog/${post.slug}`,
+    lastModified: post.date ? new Date(post.date) : new Date(),
+    changeFrequency: "monthly" as const,
+    priority: 0.6,
+  }));
+
+  return [...staticRoutes, ...posts];
+}

src/app/stack/page.tsx

@@ -1,10 +1,10 @@
-import { siteConfig } from "@/lib/config";
 import type { Metadata } from "next";
 import { StackPageClient } from "./StackPageClient";
 
 export const metadata: Metadata = {
-  title: `Stack | ${siteConfig.name}`,
+  title: "Stack",
   description: "Self-hosted services and infrastructure I run.",
+  alternates: { canonical: "/stack" },
 };
 
 export default function StackPage() {

src/components/JsonLd.tsx

@@ -0,0 +1,9 @@
+// Renders a JSON-LD structured-data script. Used for Person/WebSite/BlogPosting.
+export function JsonLd({ data }: { data: Record<string, unknown> }) {
+  return (
+    <script
+      type="application/ld+json"
+      dangerouslySetInnerHTML={{ __html: JSON.stringify(data) }}
+    />
+  );
+}

src/lib/config.ts

@@ -36,7 +36,7 @@ export const siteConfig = {
         "This site — built with Next.js 16, React Three Fiber, shader gradients, and liquid glass effects.",
       tags: ["Next.js", "React Three Fiber", "GLSL", "Tailwind"],
       url: "https://daniel.dou.bet",
-      github: "https://github.com/iamdoubz/me",
+      github: "https://git.dou.bet/iamdoubz/me",
     },
     {
       title: "gmmff",
@@ -90,7 +90,8 @@ export const siteConfig = {
   ],
 
   seo: {
-    ogImage: "/og/default.jpg",
+    ogImage: "/images/og.png",
+    jobTitle: "Consultant",
   },
 
   analytics: {