Does migrating to Webflow hurt SEO?
Not by itself. There is no ranking factor for what a page was built in, and the things that do matter — what the page says, who links to it, how fast it loads — either move with you or improve.
What hurts is the part of a migration that has nothing to do with Webflow: URLs changing, redirects missing, titles rewritten in bulk, content quietly dropped because nobody checked whether the old site had it. Every migration horror story is one of those four, and all four are avoidable in an afternoon of planning.
The uncomfortable version: if a site loses rankings after a migration, the migration usually exposed a problem rather than caused one. Traffic that depended on pages nobody could account for is traffic nobody was managing.
The four things that actually cost you
Addresses that changed without a redirect. `/services/web-design/` becoming `/services/` is a new page as far as Google is concerned, and everything the old one earned stays with an address that now 404s. A 301 tells Google to move the credit across. Nothing else does — a canonical tag asks, a 404 says nothing at all.
Content that got shorter. Redesigns cut copy, because a cleaner layout wants less of it. That is often the right call for a human reader and it is a direct loss of the terms the page used to match. Cut with the search terms in front of you, not just the layout.
Titles rewritten in bulk. A new site is a tempting moment to make every title consistent. Consistency is not a ranking factor and matching what people type is, so a page that ranked as “WordPress to Webflow Migration Cost” should not quietly become “Migration | Services”.
Pages silently dropped. Every site has pages the current team did not know existed and Google did. Crawl before you plan, not after you launch.
What a normal migration looks like in Search Console
A dip. Google has to recrawl every moved address and reassign what it knew, and while that is happening, positions wobble. Two to six weeks is ordinary for a small site; longer if the site is large or crawled infrequently.
What matters is the shape. A dip that recovers is a migration working. A drop that flattens and stays down four weeks later is a redirect problem, and the place to look is Search Console's Pages report under “Not found (404)” — the URLs there are the map entries somebody missed.
Watch impressions rather than average position while it settles. Position is a weighted average across every query, so it swings when the mix of queries changes, which is exactly what a migration does. Impressions answer the real question: is Google still showing us at all.
Set expectations before launch rather than during. The team that has not been told to expect a dip will read week two as a disaster and start changing things, which is the one behaviour that genuinely prolongs it.
What gets better
Speed, usually. Not because Webflow is magic, but because a rebuild drops the accumulated weight — the plugin that loaded jQuery for one carousel, the theme shipping CSS for pages you never used. Speed is a small ranking factor and a large conversion one, which is the honest way round to state it. More on that in speed as a feature.
Markup control. Heading order, canonical tags, structured data and meta descriptions are all editable per page without a plugin arbitrating. See what Webflow's SEO settings actually cover.
Mobile rendering, if the old theme was doing something creative about it. Google indexes the mobile version first, so a desktop-first theme has been costing you quietly.
The order that keeps rankings
Crawl the live site first and export every URL. Then pull twelve months of Search Console data and mark which of those URLs earn impressions — that is the list that must survive, and it is always shorter than the full sitemap.
Map every old URL to a new one before the build is finished, not after. Anything with no equivalent goes to the closest relevant page, never to the homepage in bulk: a mass redirect to the root reads as a soft 404 and Google treats it as a page that stopped existing.
On launch day, submit the new sitemap, keep the old one accessible for a while, and watch the 404 report daily for two weeks. Everything that shows up there is a line you missed, and it is cheap to fix in week one and expensive to notice in month three.
Questions we get asked
Will I lose Google rankings if I move to Webflow?
Not because of Webflow. Rankings are lost when addresses change without 301 redirects, when copy is cut during the redesign, when titles are rewritten in bulk, or when pages are dropped that nobody knew were earning. All four are planning failures rather than platform ones.
How long does a post-migration ranking dip last?
Two to six weeks is normal for a small site while Google recrawls and reassigns. A dip that recovers is the process working. A drop that is still flat after four weeks is a redirect problem — check Search Console's Pages report for “Not found (404)”.
Do I need 301 redirects if the URLs look similar?
If a single character differs, it is a different address and it needs a redirect. Similar is not the same. Build the map from a crawl of the live site rather than from the sitemap, because sitemaps list what a site thinks it has.