Migrating SEO plugins is one of those jobs that looks like a one-click checkbox and turns into a checklist of small surprises. Yoast SEO and Rank Math both store their data in WordPress post meta and custom database tables, but they don't store it the same way, and the gap between "the importer says done" and "every post still has the right title, canonical, and redirect" is where migrations go wrong. This is a walkthrough of how a Yoast-to-Rank Math move actually behaves on a real, content-heavy site, what the importer carries over cleanly, what it silently leaves behind, and how to verify the result instead of trusting the progress bar.

Why people switch (and why some shouldn't)

The honest version: most sites switch for money and feature parity in the free tier. Yoast's redirect manager, multiple-keyphrase support, and internal-linking suggestions live behind Yoast SEO Premium (around $99/year for a single site). Rank Math bundles redirects, unlimited focus keywords, schema templates, and Google Search Console integration into its free plan, with Rank Math Pro layered on top for analytics and bulk editing. For a site paying a recurring Yoast Premium bill mostly to keep its redirect manager, the math is obvious.

But switching is not free of risk. Your SEO plugin owns your titles, meta descriptions, canonical URLs, robots directives, Open Graph data, XML sitemaps, schema, and redirects. Every one of those is a ranking-adjacent signal. If you run a small site with a handful of pages and Yoast is working fine, the upside of switching is marginal and the migration risk is real. The switch pays off most on larger sites where Rank Math's free features replace a paid Yoast tier you're actively using.

Before you touch anything: inventory what Yoast holds

The single biggest cause of a botched migration is not knowing what you had. Document the current Yoast configuration first, because the importer will preserve everything that maps cleanly and quietly drop everything that doesn't — and you can only spot a gap if you know the baseline.

Custom titles and meta descriptions — how many posts override the template versus inherit it.
Primary category assignments — Yoast stores these in a _yoast_wpseo_primary_category meta key; if your permalinks use %category%, getting this wrong changes URLs.
Focus keyphrases — cosmetic for rankings, but useful to keep for your own content audits.
Per-post robots rules — noindex/nofollow on specific posts, archives, tag pages, and any custom post types.
Open Graph and Twitter overrides — custom social images and titles set per post.
Redirects — export these separately (see below); they are the most fragile part.
Schema choices — article type, organization vs. person, knowledge-graph settings.

Take a full database and file backup before starting, and if you can, run the whole thing on a staging copy first. Most managed hosts — Kinsta, WP Engine, SiteGround, Cloudways — offer one-click staging. A migration you can roll back is a migration you can be relaxed about.

Running the importer

Install Rank Math but do not deactivate Yoast yet. Run Rank Math's setup wizard, then go to Rank Math → Status & Tools → Import & Export, where it auto-detects Yoast and offers to import. The tool reads Yoast's meta keys and remaps them to Rank Math's rank_math_ equivalents in batches, so it stays gentle on database load even on shared hosting. On a few hundred posts it finishes in minutes; on tens of thousands it can run long enough that you'll want to do it during low-traffic hours.

What imports cleanly in practice:

Meta titles and descriptions, including template variables (it remaps %%title%% to %title% syntax).
Focus keyphrases and per-post robots (noindex/nofollow) directives.
Primary category assignments.
Canonical URL overrides.
Open Graph and Twitter Card overrides.
Sitemap exclusions and most global meta settings.

What the importer leaves behind

This is the part nobody warns you about. Two categories routinely don't survive a clean import:

Redirects. Yoast Premium and Rank Math store redirects in different custom tables, and the settings importer does not move them. Export your redirects from Yoast Premium as CSV first (Yoast SEO → Redirects → Import/Export → Export), then bring them into Rank Math via Status & Tools → Import & Export → Import redirects. If you skip this, every old redirect 404s the moment you deactivate Yoast — a fast way to lose link equity and frustrate returning visitors. Verify a handful of known redirects with a curl or an HTTP-header checker afterward; you want to see real 301 responses, not 200 on a soft-404 page.

Cached internal-linking suggestions. Both plugins compute link suggestions on a schedule rather than storing a portable index, so Rank Math's panel will be empty for a day or two while it rebuilds. This is temporary and harmless, but it surprises people who expect parity on day one.

Custom schema that Yoast generated through its graph can also need a manual rebuild, since Rank Math uses its own schema templates rather than translating Yoast's JSON-LD node for node.

The small things that break on day one

Even on an otherwise clean import, expect a few odd edges:

Social images with stale URLs. If an older post's OG image was set to a file that was later renamed (common after a 2018–2020 media-library reorganization), Rank Math reads the override field but can't find the file, and the share preview falls back to your site icon. Re-upload through Rank Math's social settings on the affected posts.
Breadcrumb labels. If you used Yoast's custom breadcrumb display text for a category, Rank Math may show the raw category name instead until you set the label in its breadcrumb config.
Double meta tags. If both plugins stay active too long, you can briefly emit two title tags or two canonicals. View-source on a few pages to confirm only Rank Math's tags are present after you deactivate Yoast.

The cutover, in order

Backup the database and files.
Install Rank Math, run the wizard, run the settings import (Yoast still active).
Export Yoast redirects to CSV and import them into Rank Math.
Spot-check 10–15 representative URLs: titles, canonicals, robots tags, and OG images via view-source.
Deactivate Yoast — but do not delete it yet. Keep it dormant for a week as a rollback path.
Test redirects with real HTTP requests; confirm 301 status codes.
Submit the new Rank Math sitemap in Google Search Console and watch coverage for a few weeks.
Once stable, uninstall Yoast and use a database-cleanup query to remove its orphaned _yoast_wpseo_* meta rows.

What actually changes for rankings

Set expectations honestly: a Yoast-to-Rank Math migration done correctly is, for ranking purposes, close to a no-op. Your titles, descriptions, canonicals, and redirects carry over, so Google sees the same signals it saw before. People who report a "boost" after switching are usually seeing normal organic drift or the effect of finally fixing redirects and schema that were already broken under Yoast.

Where Rank Math genuinely helps is operational: richer schema templates in the free tier, unlimited keyphrases, a built-in 404 monitor and redirect manager, and Search Console data inside the dashboard. One caveat worth stating plainly — FAQ and HowTo rich results have been heavily curtailed by Google since 2023, so the schema-type count Rank Math advertises overstates the practical rich-result upside. The real win is cost and convenience, not a ranking lever. Treat the migration as housekeeping done well, verify every signal carried over, and keep Yoast dormant until you're sure.

Rank Math vs Yoast: A Real Migration Story