---
title: "Pre-Cutover Legacy Crawl & 301 Redirect Readiness Validator | GreenTree Tools"
url: https://www.greentreehosting.com/tools/forensic-301-cutover-and-seo-equity-validator/
description: "Generate production netlify.toml forced 301! redirect matrices to preserve 100% of legacy URL rankings during domain cutovers."
format: text/markdown
generated_from: prerendered HTML (build time)
---

[All 4 Interactive Engineering Calculators](https://www.greentreehosting.com/tools)

Domain Cutover Forensics

# Forensic 301 Cutover & SEO Equity Validator. Zero-404 Legacy URL Mapping & Edge Redirect Blueprint Generator.

Paste your legacy sitemap URLs or test common CMS URL structures (WordPress, Wix, Squarespace, `.html` / `.php` legacy extensions) to generate a production `netlify.toml` and NGINX `301` redirect blueprint.

The **#1 reason corporate website relaunches tank in Google** within 30 days is unmapped legacy URLs returning HTTP 404. GreenTree enforces a **mandatory zero-404 forensic cutover standard** on every deployment.

[Web Application ROI Estimator](https://www.greentreehosting.com/tools/application-roi-and-architecture-estimator)[Cloud & Email TCO Calculator](https://www.greentreehosting.com/tools/cloud-and-enterprise-email-tco-calculator)[301 Cutover & SEO Validator](https://www.greentreehosting.com/tools/forensic-301-cutover-and-seo-equity-validator)[DNS & Mail Deliverability Auditor](https://www.greentreehosting.com/tools/email-deliverability-and-dns-sovereignty-auditor)

## Legacy URL Mapping Matrix (From → To)

Enter one legacy URL mapping per line (`/legacy.html -> /modern-route`) to generate forced 301! edge rules that preserve 100% of historical search equity.

## Generated netlify.toml Forced 301! Block

```
[[redirects]]
  from = "/hosting.html"
  to = "/hosting"
  status = 301
  force = true

[[redirects]]
  from = "/email.html"
  to = "/email"
  status = 301
  force = true

[[redirects]]
  from = "/websites.html"
  to = "/web-applications"
  status = 301
  force = true

[[redirects]]
  from = "/software.html"
  to = "/software"
  status = 301
  force = true

[[redirects]]
  from = "/domains.html"
  to = "/infrastructure"
  status = 301
  force = true

[[redirects]]
  from = "/servers.html"
  to = "/infrastructure"
  status = 301
  force = true

[[redirects]]
  from = "/about.html"
  to = "/story"
  status = 301
  force = true

[[redirects]]
  from = "/contact.html"
  to = "/contact"
  status = 301
  force = true

[[redirects]]
  from = "/order.html"
  to = "/order"
  status = 301
  force = true
```