07Section 07
Domain Migration Strategy
A detailed plan to redirect gang-hua.com and schemc.com to sgaria.com while preserving SEO authority, backlinks, and user experience.
301 Redirect Architecture
gang-hua.com → sgaria.com
gang-hua.com/sgaria.com/
gang-hua.com/aboutsgaria.com/about
gang-hua.com/products/*sgaria.com/products/*
gang-hua.com/chemicalssgaria.com/chemicals
gang-hua.com/contactsgaria.com/contact#hong-kong
schemc.com → sgaria.com
schemc.com/sgaria.com/
schemc.com/aboutsgaria.com/about
schemc.com/productssgaria.com/products
schemc.com/category/valves/sgaria.com/products/valves
schemc.com/category/pumps/sgaria.com/products/pumps
schemc.com/chemicalssgaria.com/chemicals
schemc.com/casessgaria.com/cases
schemc.com/contactsgaria.com/contact#miami
Migration Execution Phases
1Phase 1 — Pre-Migration
- Complete audit of all URLs on gang-hua.com and schemc.com
- Crawl both sites to identify all indexed pages and backlinks
- Create comprehensive URL mapping spreadsheet
- Set up Google Search Console for sgaria.com
- Install analytics tracking on the new domain
- Back up all content, images, and databases
2Phase 2 — DNS & Domain Configuration
- Register sgaria.com and configure DNS records
- Set up SSL/TLS certificate for sgaria.com
- Configure CDN (Cloudflare recommended) for global performance
- Set up email routing (sales@sgaria.com)
- Create domain aliases and subdomains as needed
3Phase 3 — Content Migration
- Migrate and consolidate all product data into unified catalog
- Transfer and optimize all product images
- Merge blog posts and news content (if any)
- Recreate all contact forms with proper routing
- Test all internal links and navigation
4Phase 4 — Redirect Implementation
- Implement 301 redirects on gang-hua.com server
- Implement 301 redirects on schemc.com server
- Test every redirect path for accuracy
- Monitor 404 errors and fix broken links
- Submit updated sitemaps to Google Search Console
5Phase 5 — Post-Migration Monitoring
- Monitor traffic patterns for 90 days
- Track keyword rankings during transition
- Fix any crawl errors reported by search engines
- Update all business listings and directories
- Send change-of-address notification via Search Console
Risk Mitigation
Temporary SEO ranking drop
301 redirects + Search Console change of address + aggressive new content
Broken inbound links
Comprehensive URL mapping and wildcard redirects for unmapped paths
Email delivery issues
Maintain old email addresses for 12 months with forwarding to @sgaria.com
Client confusion
Email campaign to all clients announcing rebrand + landing page explanation