Cross-domain help-center 301s before docs move
Before moving a help center to a new host, ship domain-level 301 redirects from the old support domain so rankings and bookmarked answers survive.
Why this can grow a startup
Docs migrations often break trust in the dullest possible way: old answers vanish. Cross-domain 301s preserve discovery, backlinks, and customer habits. They make the new help center feel like a continuation instead of a reset.
Source-backed example
Intercom's help-center guidance says a custom-domain move needs HTTP 301 redirects at the DNS, CDN, or edge layer because Intercom will not create those cross-domain redirects for you.
Source-reported evidence
Source: Intercom Help · Browse Intercom Help tactics
HTTP 301 redirects from the old help-center host to the new host
Attributed to the cited source; GrowthDex has not independently verified it. Use this as context, not as a forecast, benchmark, or recommended target.
Evidence scope: claims and metrics are attributed to the linked source; GrowthDex has not independently replicated the reported result. Check the original context and validate fit before applying it. Read the evidence methodology.
Source discovered: May 25, 2026
When to use it
Use this when SEO, Website, Support is relevant to migration, docs, seo and you can run a bounded test with a low budget.
When not to use it
Do not use it as a substitute for customer evidence, a clear owner, or a measurable stop condition. Local platform rules and market behavior still need checking.
How to do it
- Choose one target segment and define the exact next action this tactic should prompt.
- Adapt the tactic to SEO and Website, using evidence from Intercom Help as context—not as a promised result.
- Record a baseline for: Qualified search visitors who complete the intended next action. Set a guardrail that would make you pause the test.
- Run a narrow pilot and choose a test window that fits the normal decision or use cycle; do not scale before you have observed the full cycle.
- Compare the signal with its baseline. Scale only if the intended action improves without crossing the guardrail; otherwise revise one variable or stop and record what you learned.
Compare a stack for your situation
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