docs: fix six dead links

README.md

@@ -187,7 +187,7 @@ reference documentation when the Deno documentation site is next updated.
 In order to preview changes to the API reference, take the following steps:
 
 1. Make changes to the JSDoc comments in the Deno source code
-1. [Build the Deno CLI locally](https://docs.deno.com/runtime/contributing/building_from_source/),
+1. [Build the Deno CLI locally](https://github.com/denoland/deno/blob/main/.github/CONTRIBUTING.md#building-from-source),
    including your JSDoc changes
 1. For convenience, create an alias of `d_deno` to point to your local build of
    the Deno CLI (typically in the `target/debug/deno` directory of your CLI

examples/tutorials/fresh.md

@@ -1,5 +1,5 @@
 ---
-last_modified: 2025-09-29
+last_modified: 2026-09-02
 title: "Build a Fresh App"
 description: "Complete guide to building Full-stack applications with Fresh and Deno. Learn how to set up a project, implement server-side rendering with islands architecture, add API routes, and deploy your TypeScript application."
 url: /examples/fresh_tutorial/
@@ -326,8 +326,7 @@ For a walkthrough of deploying your app, check out the
 🦕 Now you have a starter Fresh app! Here are some ideas to extend your dinosaur
 catalog:
 
-- Add a database (try [Deno KV](https://docs.deno.com/runtime/fundamentals/kv/)
-  or connect to
+- Add a database (try [Deno KV](https://docs.deno.com/deploy/kv/) or connect to
   [PostgreSQL](https://docs.deno.com/runtime/tutorials/connecting_to_databases/))
 - Implement user authentication with
 - Add more interactive features like favorites or ratings

examples/tutorials/tanstack.md

@@ -1,5 +1,5 @@
 ---
-last_modified: 2026-07-10
+last_modified: 2026-09-02
 title: "Build an app with Tanstack and Deno"
 description: "Complete guide to building applications with Tanstack and Deno. Learn how to implement Query for data fetching, Router for navigation, manage server state, and create type-safe full-stack applications."
 url: /examples/tanstack_tutorial/
@@ -357,7 +357,7 @@ management. We also import `RouterProvider`, which connects our defined routes
 to React's rendering system.
 
 Finally, we'll need to define a
-[`routeTree.tsx`](https://tanstack.com/router/v1/docs/framework/react/guide/route-trees)
+[`routeTree.tsx`](https://tanstack.com/router/latest/docs/routing/route-trees)
 file in our `./src/` directory. This file defines our application's routing
 structure using Tanstack Router's type-safe route definitions:
 

examples/tutorials/trpc.md

@@ -1,5 +1,5 @@
 ---
-last_modified: 2025-03-10
+last_modified: 2026-09-02
 title: "Build a Typesafe API with tRPC and Deno"
 description: "A guide to building type-safe APIs with tRPC and Deno. Learn how to set up endpoints, implement RPC procedures, handle data validation, and create efficient client-server applications."
 url: /examples/trpc_tutorial/
@@ -137,8 +137,8 @@ but this will work well for our demo.
 > ⚠️️ In this tutorial, we hard code data and use a file-based database. However,
 > you can
 > [connect to a variety of databases](https://docs.deno.com/runtime/tutorials/connecting_to_databases/)
-> and use ORMs like [Drizzle](https://docs.deno.com/examples/drizzle) or
-> [Prisma](https://docs.deno.com/runtime/tutorials/how_to_with_npm/prisma/).
+> and use ORMs like [Drizzle](https://docs.deno.com/examples/drizzle_tutorial/)
+> or [Prisma](https://docs.deno.com/runtime/tutorials/how_to_with_npm/prisma/).
 
 Finally, we'll need to provide the actual data. Let's create a `./data.json`
 file with some sample dinosaur data:
@@ -415,7 +415,8 @@ Now that you have a basic understanding of how to use tRPC with Deno, you could:
    complex data structures
 5. Integrate with a proper database like
    [PostgreSQL](https://docs.deno.com/runtime/tutorials/connecting_to_databases/#postgres)
-   or use an ORM like [Drizzle](https://docs.deno.com/examples/drizzle) or
+   or use an ORM like
+   [Drizzle](https://docs.deno.com/examples/drizzle_tutorial/) or
    [Prisma](https://docs.deno.com/runtime/tutorials/how_to_with_npm/prisma/)
 6. Deploy your application to [Deno Deploy](https://deno.com/deploy) or
    [any public cloud via Docker](https://docs.deno.com/runtime/tutorials/#deploying-deno-projects)

runtime/reference/cli/task.md

@@ -1,5 +1,5 @@
 ---
-last_modified: 2026-06-25
+last_modified: 2026-09-02
 title: "deno task"
 oldUrl:
   - /runtime/tools/task_runner/
@@ -761,7 +761,7 @@ box on Windows, Mac, and Linux.
   environment variables.
 - [`xargs`](https://man7.org/linux/man-pages/man1/xargs.1p.html) - Builds
   arguments from stdin and executes a command.
-- [`:`](https://pubs.opengroup.org/onlinepubs/9699919799/utilities/colon.html) -
+- [`:`](https://pubs.opengroup.org/onlinepubs/9799919799/utilities/colon.html) -
   The POSIX null command. Does nothing and always exits with status `0` (Deno
   2.8+). Handy as a no-op placeholder in conditionals or for parameter-expansion
   side effects.