Why This Matters for Search & AI Visibility
Unmapped legacy URLs that fall to 404 or redirect generically to the homepage lose all accumulated backlink equity and search rankings within days.
To prevent traffic loss during a website redesign or CMS migration, every legacy indexable URL must be mapped via a permanent 301 redirect to its closest semantic equivalent on the new site—matched by URL slug, H1 heading, and page title similarity.
Unmapped legacy URLs that fall to 404 or redirect generically to the homepage lose all accumulated backlink equity and search rankings within days.
Crawl your current production site and your new staging site in GoCrawl Studio, which automatically pairs old-to-new URLs by semantic similarity and exports Nginx, Caddy, Apache, or Cloudflare CSV rules.