Of 982 sites with real US search traffic that changed platform, 48.1% dropped more than 10% in the first three months. Only 42.6% of those got back to 90% of their old traffic; the rest still had not after a median 12 months of data.
Source: PageSpeed Matters, Sept 2026. 982 sites that changed platform, US traffic estimates.
Estimated US traffic, not measured visits; platforms with 46 or more sites are shown, and the All row includes the rest.
Source: Migration Recovery: 57% of Sites That Dropped Hadn't Bounced Back - PageSpeed Matters