Moving from Squarespace, Wix, or WordPress: bring the blog, keep your Google rankings
Upload your old site’s blog export (the WordPress-format file they all produce) under News and every post arrives with its date, author, text, links, and photos, published or draft as it was — and the photos are copied into your own site’s storage so nothing depends on the old account once you close it. Each old post address is redirected to the new one automatically, and under Domain → Old Web Addresses you can list any other old page and where it should go now — visitors and search engines are sent straight there with a permanent redirect instead of a “page not found”.