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Technical SEO · Connective9 Blog

Plan a website migration without sacrificing search visibility by protecting URLs, redirects, content, tracking and crawlability before launch.

website migration checklist — Connective9 article

01

Create a complete pre-migration inventory

Export existing URLs, rankings, organic landing pages, backlinks, analytics data, redirects and important metadata before anything changes. That inventory is the reference point for deciding what must be preserved.

A migration becomes risky when the team discovers important URLs only after they have disappeared.

02

Build the redirect map before launch

Every valuable old URL should have a deliberate destination. Map pages one-to-one where possible rather than redirecting large groups to the homepage. Test the redirect file in staging and look for chains or loops.

Preserving relevance makes the transition clearer for both users and search engines.

03

Validate the new site technically

Check robots directives, canonical tags, XML sitemaps, internal links, structured data, page speed, mobile rendering and analytics before the domain or URLs switch. Staging protections should not accidentally reach production.

Crawl the new site as if you were a search engine and fix blockers before launch day.

04

Monitor closely after launch

Submit the new sitemap, watch crawl and indexation reports, compare organic landing-page traffic and check server logs or redirects for unexpected patterns. Migration performance should be reviewed daily at first, then weekly as the site stabilises.

Fast diagnosis reduces the impact of errors that inevitably escape pre-launch testing.

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Article FAQ

Direct answers to the practical questions readers ask after understanding the main topic.

Not necessarily. Temporary fluctuation is possible, but careful URL mapping, technical QA and post-launch monitoring can significantly reduce avoidable loss.

Redirect valuable or relevant URLs to the closest appropriate replacement. URLs with no useful equivalent may be better left as a genuine 404 or 410.

From the planning stage. SEO input is most valuable before design, architecture and URL decisions become expensive to change.

Crawl errors, indexation, redirect behaviour, rankings, organic landing-page traffic, conversions, analytics tracking and server performance.

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