SEO Automation
Postlark generates all SEO essentials automatically when you publish a post.
What’s Automatic
Section titled “What’s Automatic”| Feature | How it works |
|---|---|
| Meta description | Extracted from first 2 sentences of content |
| OG image | Generated at og.postlark.ai/{blog}/{post}.png |
| JSON-LD | BlogPosting + BreadcrumbList schema |
| Canonical URL | Points to custom domain if configured |
| RSS feed | Available at /rss.xml |
| Sitemap | Available at /sitemap.xml (Starter+) |
| robots.txt | Allow: / for Starter+, Disallow: / for Free |
HTML lang | Auto-detected from content (Korean/English) |
Custom Meta
Section titled “Custom Meta”Override the auto-generated meta description:
{ "title": "My Post", "content": "...", "meta": { "description": "My custom meta description", "og_image": "https://example.com/custom-og.png" }}Indexing Policy
Section titled “Indexing Policy”| Plan | robots.txt | Google indexing |
|---|---|---|
| Free (subdomain) | Disallow: / | Not indexed |
| Starter+ (custom domain) | Allow: / | Indexed |
Free plan subdomains are intentionally noindex to protect the platform’s domain reputation.
Performance
Section titled “Performance”Postlark blogs ship 0 KB of JavaScript to readers:
- Pure HTML from Edge Workers
- CSS-only dark mode, code highlighting, reading progress
- Typical Lighthouse Performance score: 95+