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Pamela Chia
9113c2ba04
The June/July marketing redesign (#47271, #47228) rebuilt the homepage and product pages off the Pages Router, silently dropping their `<link rel="alternate" type="text/markdown">` head tags, and llms-full.txt has been accidentally embedding every blog/customer/event page via an `MD_CONTENT` spread. I restored the tags behind a shared helper, added a CI drift test so a future redesign can't drop them silently again, and trimmed both llms files to the agreed docs-index shape. **Changed:** - **Markdown siblings advertised again**: homepage, the 5 product pages, pricing, and blog emit absolute `.md` alternate URLs via a new `mdAlternates(slug)` helper (the one documented consumer of the tag parses it from `<head>` and fetches the `.md` sibling, so tags must point at the sibling, never the page itself). - **Drift test**: a vitest file walks `content/md/**` and asserts every markdown-served slug's page wires the helper (or is covered by the Pages Router `_app.tsx` mechanism, whose alternate-link wiring the test also asserts directly so removing it fails CI too). Source-level assertions by design: page modules can't be imported under www's vitest config. Fails correctly when wiring is removed (verified by hiding a page and by altering the `_app.tsx` tag). - **Vector orphan fixed**: `content/md/vector.md` moved to `modules/vector` matching the live route (the page previously had no negotiation or tag, and `/modules/vector.md` 404'd); `/vector.md` now 308s to `/modules/vector.md` and the legacy `/llms/vector.txt` redirect no longer chains. - **llms.txt + llms-full.txt**: the `## Product Overview` sections are gone from both, each keeps a `## Pricing` section. This deletes the hand-maintained links array (a drift trap) and fixes the accidental ~470-page embed, shrinking llms-full.txt from ~9.8MB to ~4.9MB and dropping the 4.1MB generated content module from that route's serverless bundle. **Note:** this PR is scoped to apps/www only. The docs side (troubleshooting pages and the rest of the docs surface) is handled separately through a consolidated manifest-gated mechanism; an earlier troubleshooting-tag commit was reverted out of this branch to keep the scopes clean. <details> <summary>Why alternate tags matter (background)</summary> Agents ingest markdown far more efficiently than our rendered HTML: a fraction of the tokens and no extraction step. Since #47770 removed UA-based serving (UA sniffing broke a major AI app's fetcher and poisoned CDN caches), markdown is served only on explicit request: a `.md` suffix URL, an `Accept: text/markdown` header, or llms.txt. That's the right serving model, but it makes the markdown twin invisible to any agent that doesn't already know our URL convention, and the major AI fetchers send browser/wildcard Accept headers, so bare URLs hand them HTML. The `<link rel="alternate" type="text/markdown">` head tag is the standards-based advertisement of the sibling. It has a documented consumer today: an agent CLI that parses the tag from `<head>` and then fetches the `.md` sibling, which is also why the tag must point at a real sibling URL and never at the page itself. Peer docs sites ship this tag as table stakes. These www pages used to carry it until the June/July marketing redesign silently dropped it; the drift test in this PR turns that regression class into a CI failure. </details> ## To test Tested locally (www + docs dev servers): - [x] `/llms.txt` renders `## Documentation` + single-link `## Pricing`, no Product Overview - [x] `/llms-full.txt` renders `# Supabase` → `## Pricing` → `## Documentation`, no Product Overview, ~4.9MB - [x] Full www suite: 6 files / 71 tests green; drift test fails correctly when a page is removed or the `_app.tsx` wiring is altered - [x] `generateMdContent.mjs` emits `modules/vector`, bare `vector` slug gone On the Vercel preview (browser-verified with Playwright): - [x] Alternate tag present on `/`, `/auth`, `/database`, `/storage`, `/edge-functions`, `/realtime`, `/pricing`, and a blog post: exactly one tag each, href = preview origin + `.md` sibling - [x] `/vector.md` → 308 → `/modules/vector.md`, renders as markdown (`# Supabase Vector`) - [x] `/llms.txt` shows single-link `## Pricing`, no Product Overview - [x] Coverage sweep: all 482 `MD_PAGES` slugs + changelog index/entry curled on the preview; 471 pages carry exactly one tag, all `.md` siblings 200 as `text/markdown`. The 11 misses are legacy blog slugs whose HTML 308-redirects away (stale `MD_PAGES` entries predating this PR, no head to tag; follow-up tracked in Linear) Post-merge prod: - [ ] Full llms.txt link sweep (every linked URL 200s; previews can't cover the docs-hosted links) ## Linear - fixes GROWTH-1013 <!-- This is an auto-generated comment: release notes by coderabbit.ai --> ## Summary by CodeRabbit * **New Features** * Added Markdown alternate links across key product, pricing, blog, and troubleshooting pages. * Added Supabase Vector documentation covering features, use cases, workflows, and technical details. * Updated AI-focused documentation indexes with dedicated pricing content. * Added redirects for updated Vector documentation URLs. * **Tests** * Added coverage to verify Markdown documentation links stay aligned with available pages. <!-- end of auto-generated comment: release notes by coderabbit.ai -->
Supabase
Supabase is the Postgres development platform. We're building the features of Firebase using enterprise-grade open source tools.
- Hosted Postgres Database. Docs
- Authentication and Authorization. Docs
- Auto-generated APIs.
- Functions.
- File Storage. Docs
- AI + Vector/Embeddings Toolkit. Docs
- Dashboard
Watch "releases" of this repo to get notified of major updates.
Documentation
For full documentation, visit supabase.com/docs
To see how to Contribute, visit Getting Started
Community & Support
- Community Forum. Best for: help with building, discussion about database best practices.
- GitHub Issues. Best for: bugs and errors you encounter using Supabase.
- Email Support. Best for: problems with your database or infrastructure.
- Discord. Best for: sharing your applications and hanging out with the community.
How it works
Supabase is a combination of open source tools. We’re building the features of Firebase using enterprise-grade, open source products. If the tools and communities exist, with an MIT, Apache 2, or equivalent open license, we will use and support that tool. If the tool doesn't exist, we build and open source it ourselves. Supabase is not a 1-to-1 mapping of Firebase. Our aim is to give developers a Firebase-like developer experience using open source tools.
Architecture
Supabase is a hosted platform. You can sign up and start using Supabase without installing anything. You can also self-host and develop locally.
- Postgres is an object-relational database system with over 30 years of active development that has earned it a strong reputation for reliability, feature robustness, and performance.
- Realtime is an Elixir server that allows you to listen to PostgreSQL inserts, updates, and deletes using websockets. Realtime polls Postgres' built-in replication functionality for database changes, converts changes to JSON, then broadcasts the JSON over websockets to authorized clients.
- PostgREST is a web server that turns your PostgreSQL database directly into a RESTful API.
- GoTrue is a JWT-based authentication API that simplifies user sign-ups, logins, and session management in your applications.
- Storage a RESTful API for managing files in S3, with Postgres handling permissions.
- pg_graphql a PostgreSQL extension that exposes a GraphQL API.
- postgres-meta is a RESTful API for managing your Postgres, allowing you to fetch tables, add roles, and run queries, etc.
- Kong is a cloud-native API gateway.
Client libraries
Our approach for client libraries is modular. Each sub-library is a standalone implementation for a single external system. This is one of the ways we support existing tools.
| Language | Client | Feature-Clients (bundled in Supabase client) | ||||
|---|---|---|---|---|---|---|
| Supabase | PostgREST | GoTrue | Realtime | Storage | Functions | |
| ⚡️ Official ⚡️ | ||||||
| JavaScript (TypeScript) | supabase-js | postgrest-js | auth-js | realtime-js | storage-js | functions-js |
| Flutter | supabase-flutter | postgrest-dart | gotrue-dart | realtime-dart | storage-dart | functions-dart |
| Swift | supabase-swift | postgrest-swift | auth-swift | realtime-swift | storage-swift | functions-swift |
| Python | supabase-py | postgrest-py | gotrue-py | realtime-py | storage-py | functions-py |
| 💚 Community 💚 | ||||||
| C# | supabase-csharp | postgrest-csharp | gotrue-csharp | realtime-csharp | storage-csharp | functions-csharp |
| Go | - | postgrest-go | gotrue-go | - | storage-go | functions-go |
| Java | - | - | gotrue-java | - | storage-java | - |
| Kotlin | supabase-kt | postgrest-kt | auth-kt | realtime-kt | storage-kt | functions-kt |
| Ruby | supabase-rb | postgrest-rb | - | - | - | - |
| Rust | - | postgrest-rs | - | - | - | - |
| Godot Engine (GDScript) | supabase-gdscript | - | - | - | - | - |
Badges
[](https://supabase.com)
<a href="https://supabase.com">
<img
width="168"
height="30"
src="https://supabase.com/badge-made-with-supabase.svg"
alt="Made with Supabase"
/>
</a>
[](https://supabase.com)
<a href="https://supabase.com">
<img
width="168"
height="30"
src="https://supabase.com/badge-made-with-supabase-dark.svg"
alt="Made with Supabase"
/>
</a>
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