GoSitemap

GoSitemap is a fast and minimal sitemap generator tailored for static SvelteKit sites. It’s built with simplicity, performance, and automation in mind — perfect for CI/CD or local use.

🔥 What It Does

• Scans your SvelteKit src/routes/ folder for all static pages
• Parses .md and .svx articles in src/lib/content/ or any folder you define
• Builds a clean sitemap.xml with <lastmod> and optional <changefreq>
• Uses a single config file: gositemap.toml (can be auto-generated on first run)
• Outputs a ready-to-serve static/sitemap.xml
• 100% static, no server needed
• Built in Go — fast, lightweight, and dependency-free

🛠 How to Use

1. Put a gositemap.toml at your project root (or just run the tool and it’ll ask you interactively)

2. Run GoSitemap:

   go run .
   # or build:
   go build && ./gositemap
   

3. Your sitemap will be created at:

static/sitemap.xml

⚙️ CLI Options

--help, -h Show help and example config, then exit --dry-run Output sitemap to stdout only --quiet Suppress logs except errors preserve_existing (in gositemap.toml) Controls how existing sitemap.xml files are handled.

🔄 Sitemap Overwrite Behavior (preserve_existing)

GoSitemap offers flexible control over how it updates your sitemap.xml file:

• Default Behavior (or preserve_existing = true in gositemap.toml): If a sitemap.xml file already exists, GoSitemap will add only new entries to it. Existing entries (and their <lastmod> dates) will be preserved and not updated. This is ideal for incremental updates where you want to maintain historical <lastmod> values.

• Explicit Overwrite (preserve_existing = false in gositemap.toml): If preserve_existing is explicitly set to false, GoSitemap will regenerate the entire sitemap.xml file. All entries, including existing ones, will have their <lastmod> dates updated based on the current scan. Use this when you want a fresh sitemap reflecting the latest modification times for all content.

🧠 Example gositemap.toml

base_url = "https://yoursite.com"
preserve_existing = true # Set to false to overwrite all entries and update lastmod dates

[content_types]
blog = "src/lib/content"
portfolio = "src/lib/portfolio"

# You can also use glob patterns to specify content directories.
# The slug will be the basename of the directory.
[[glob]]
paths = [
  "src/content/*"
]

[changefreq]
blog = "weekly"
portfolio = "monthly"
about = "yearly"

exclude = [
"/admin",
"/secret"
]

✨ Sample Output

<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
  <url>
    <loc>https://yoursite.com/</loc>
    <lastmod>2023-07-01</lastmod>
  </url>
  <url>
    <loc>https://yoursite.com/blog/article1</loc>
    <lastmod>2023-07-01</lastmod>
    <changefreq>weekly</changefreq>
  </url>
</urlset>

🧩 How It Works

Static pages: Finds all +page.svelte or article.md files in src/routes/

Articles: Includes .md / .svx from content_types folders

Exclusions: Ignores dynamic/param folders and anything in exclude.

• If an exclusion starts with /, it's treated as a full path prefix (e.g., /admin excludes /admin and /admin/users).
• Otherwise, it matches any directory segment in the URL (e.g., (flow) excludes /blog/(flow)/post).

lastmod: Uses publishDate (if found) or file mtime

changefreq: Defaults to never, customizable via [changefreq]

URL Order: Root → top-level pages → articles → subpages

📥 Installation

Download the binary for your OS from the latest release, then make it executable (on Linux/macOS):

chmod +x gositemap
./gositemap

📦 Downloads

Grab the latest release: ➡️ Latest Release

Each binary is compiled with optimizations for minimal size. The version is embedded directly into the binary (-ldflags), no suffix needed.

✅ Requirements

Go 1.21 or newer

SvelteKit static site structure (uses /static, /routes, etc.)

🤔 Why GoSitemap?

Super light, no runtime dependencies

No YAML/JSON mess — config is TOML and explicit

CLI-first: works locally or in your CI

Clean, readable sitemap output

Works out of the box with SvelteKit projects

💬 FAQ

How do I change the per type? Use the [changefreq] section in your TOML.

My page is missing from the sitemap! Check if it’s dynamic (e.g. [slug]), in parentheses, or listed in exclude.

How to rename /blog/ to something else? Just change the key in [content_types]:

articles = "src/lib/content"

→ This gives /articles/my-post.

My base_url is invalid! It should start with http:// or https://, and no trailing slash.

🪪 License

MIT

Built for real-world static SvelteKit sites. Scriptable. Predictable. No fluff.