Published July 6, 2026 · Kiyansh Group
Most rankings damage during a platform migration is self-inflicted. It comes from dropped URLs, changed slugs, and missing redirects — not from the move itself. The work is boring and mechanical, and that is exactly why it gets skipped. Here is the process we run every time so search traffic holds through the cutover.
Talk to us about staffing →Before you touch the new build, pull every URL the old site actually exposes. Export the Wix or Squarespace sitemap.xml, then cross-check it against Google Search Console's Pages report and a full crawl from Screaming Frog. Wix in particular generates URLs you did not hand-author — tag archives, gallery item pages, blog category pages, and old `/post/` paths from before a slug change. Squarespace does the same with collection and tag URLs.
You want three columns: the live URL, its current title tag and meta description, and its indexed status plus any inbound clicks from Search Console. That last column tells you which pages are worth fighting for. A page with zero impressions over twelve months does not need a redirect target that matches it word for word; a page pulling 400 clicks a month does.
The output of this step is a spreadsheet, and it is the single most important artifact in the whole migration. If you skip it, you will discover missing pages three weeks after launch when a client emails asking why their top blog post now 404s.
Every old URL that has any equity — inbound links, indexed status, or traffic — gets a permanent 301 redirect to its exact new equivalent. One old URL, one new URL. Resist the temptation to bulk-redirect a whole section to the homepage; Google treats a redirect to an irrelevant page as a soft 404 and drops the equity anyway.
The trap is slug changes. Wix blog posts often live at `/post/my-article-title`; your new CMS might want `/blog/my-article-title`. That path change alone breaks every existing link unless you write the redirect. Squarespace collection URLs like `/blog/2024/3/12/title` almost never match a clean new structure, so nearly every post needs an explicit rule. Build these as regex where the pattern is consistent and one-to-one where it is not.
Test the redirect map before cutover, not after. Point a staging config at the rules and run the old URL list through a crawler that follows redirects. You are checking for two failures: a 301 that lands on a 404, and a redirect chain (old to interim to final) that should have been a single hop. Chains bleed a little equity at each step and slow the page for users.
Rankings are attached to specific signals on specific pages. When you rebuild, carry the title tag and meta description across verbatim for any page that already ranks — this is not the moment to rewrite them. If a page ranks for a term, its current title is doing part of that job. Change everything at once and you cannot tell whether a ranking drop came from the migration or the copy edit.
Structured data is the piece people forget. If the old site emitted Article, Product, LocalBusiness, or FAQ schema — Squarespace and Wix add some automatically — the new build has to emit the equivalent JSON-LD, or you lose rich results in the SERP. Validate every template type against Google's Rich Results Test before launch, not just one sample page.
Keep the same canonical logic, keep image alt text, and keep heading structure. The goal for launch day is that a page's on-page signals are byte-for-byte what they were, at a new URL, on faster infrastructure. Improvements come after you have confirmed the migration itself was clean.
Do the full build on a staging domain with `noindex` set, and QA it against the inventory spreadsheet. Only when redirects, metadata, and schema all pass do you flip DNS. Keep the old platform live and paid for at least 30 days after cutover so you have a rollback and so any redirect you missed can still be traced.
The morning after launch, submit the new sitemap in Search Console and use the URL Inspection tool on your top ten pages to force a recrawl. Watch the Coverage and Redirects reports daily for two weeks. A spike in 404s means a gap in your redirect map — find the source URLs and add the rules. This is normal cleanup, not a disaster, as long as you catch it fast.
One signal people underrate: first render speed. A big reason to leave Wix or Squarespace is their heavy client-side rendering. If your new stack serves fast, server-rendered HTML, you usually gain in Core Web Vitals — but only if you actually ship it that way. A new site that is slower than the old one hands back the advantage you migrated for.
You will see the first signals within a week in Search Console — a redirect gap shows up as 404 spikes almost immediately. Ranking positions can wobble for two to four weeks as Google recrawls and reprocesses the new URLs, which is normal. If a clean migration is done right, traffic should be flat to slightly up by week six. A sustained drop past that usually points to a specific missing redirect or a metadata change you can trace to one template.
Plugins handle the mechanics of serving a 301, but they cannot decide the correct target for each old URL — that mapping is the actual work. Auto-redirect tools that guess by fuzzy-matching slugs will send some pages to the wrong place, which is worse than a 404 because it looks like it worked. Build the map deliberately, then use a plugin or server rule to enforce it.
If URLs, titles, metadata, structured data, and content all stay identical, and the new site renders as fast or faster, there is no inherent penalty for changing platforms — Google does not rank based on your CMS. Damage comes from the things that change during a rebuild, not the rebuild itself. Keeping URL paths identical where possible is the single biggest risk reducer.
If you are planning a move off Wix or Squarespace and want the redirect map and cutover handled without losing traffic, Kiyansh Group runs migrations end to end — talk to our engineering team.
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