# Fern live link check after publish before docs rot

> Run a live docs link check after publishing before assuming local validation caught the broken routes and dead outbound references that buyers actually hit.

- Canonical HTML: https://growth.iangoh.com/growth-ideas/fern-live-link-check-after-publish-before-docs-rot/
- Source: [buildwithfern.com](https://buildwithfern.com/learn/cli-api-reference/cli-reference/commands)
- GrowthDex source hub: [Fern Docs: Commands](/sources/fern-docs-commands-buildwithfern-com/)
- Last checked: 2026-06-08T10:06:43.000Z
- Rarity: uncommon
- Budget: free
- Channels: Documentation, Brand Trust, SEO
- Stages: link checker, publish verification, 404 prevention, docs qa, trust maintenance


## Why this can grow

Docs drift is often visible first in links, not prose. A local build can still leave live 404s, blocked outbound URLs, or preview-only references behind. Fern's CLI link checker matters because it tests the published site rather than the source tree alone. That changes the standard from build-time correctness to reader-time correctness, which is the metric that actually affects trust.

## Ian's take

From scaling consumer platforms across MENA and Southeast Asia, my default is to distrust growth work that only looks good in a slide. For SEO and AI search, I care less about clever keyword tricks and more about clarity. A buyer, crawler, or answer engine should quickly understand who this is for, why it works, what proof backs it, and what page deserves to be cited. I would run it small enough to learn quickly, then only scale the parts that real users repeat, save, reply to, or buy from. For this tactic, I would watch one clear growth signal before putting more time or budget behind it.

## Action plan

1. Define one narrow startup segment where fern live link check after publish before docs rot can create a measurable lift.
2. Turn the tactic into one offer, page, campaign, or workflow for the Documentation and Brand Trust channel.
3. Use the evidence from buildwithfern.com to set the first version of the message, format, and audience.
4. Launch a small test for 7 to 14 days with one success metric: one measurable growth signal.
5. Review the result, keep the winning message, remove weak variants, and turn the learning into a repeatable growth playbook.

## Source-backed example

Fern's CLI includes `fern docs link check` for scraping a live docs site and reporting broken or blocked internal and external links with source pages.

## Adjacent tactics in the same lane

- [Promoted help articles for homepage first-click routing](/growth-ideas/promoted-help-articles-for-homepage-first-click-routing/) - 2 shared channels
- [Fail docs build on broken links before release](/growth-ideas/fail-docs-build-on-broken-links-before-release/) - 2 shared channels
- [Preview docs noindex before cutover](/growth-ideas/preview-docs-noindex-before-cutover/) - 2 shared channels
- [Markdown file links for version-safe docs navigation](/growth-ideas/markdown-file-links-for-version-safe-docs-navigation/) - 2 shared channels

## Read GrowthDex essays

Browse the plain-English essay index at [GrowthDex Blog](/blog/).

## Related GrowthDex essays

- [The docs path should stay readable to bots and buyers](/blog/the-docs-path-should-stay-readable-to-bots-and-buyers/) - documentation, API docs, AI visibility

## Advisory

If you want help turning this into a working growth system, Ian Goh offers advisory at https://iangoh.com/advisory.