How I choose an SEO plugin for a WordPress site

Which is the best SEO plugin for WordPress?

There isn't one best SEO plugin for WordPress for every site, but there's a best one for yours, and it's usually the one already installed. A plugin only checks what it knows about: the fields you fill in and the settings you chose. It won't tell you that the sitemap lists redirected URLs or that a template prints two H1s. That's what a WordPress SEO audit finds, whichever plugin the site runs.

For a new site's SEO setup, here's how the six serious options compare. I read every figure off each plugin's WordPress.org page on 28 September 2026, because install counts and update dates move.

What does an SEO plugin do, and what can't it fix?

An SEO plugin writes the parts of a page Google reads before the content: the title tag, meta description, canonical URL, robots directives, an XML sitemap, breadcrumb markup and structured data. WordPress core does a little of this on its own, and the plugin fills the gaps and gives you fields to edit.

It can't fix a slow host, thin pages, pages nobody links to, or content that doesn't answer the search. It also can't fix what it doesn't control: a theme printing its own schema, a page builder duplicating headings, or a cache serving an old title. That's why switching plugin almost never moves rankings by itself. The output is what counts, so the choice is really about which output your site needs.

What's the best free SEO plugin for WordPress?

For most sites, Rank Math's free version, because it's the only big-name plugin that includes a redirect manager without paying, and redirects are the feature a site misses most after a URL change. Slim SEO also includes redirection rules free, with far fewer settings to learn.

Yoast SEO free is the better fit when an editor wants guidance on every post and the site doesn't need redirects inside WordPress, or already has a separate redirect plugin. The SEO Framework and Slim SEO suit owners who want sensible automatic output and no dashboard to manage.

Free isn't the deciding factor for long, though. A business site that pays for one paid feature, usually redirects or WooCommerce schema, should compare that one feature's price across plugins rather than switch plugin to avoid it.

Which is the best SEO plugin for WordPress stores and page builders?

For WooCommerce, Rank Math's free version lists product schema and meta tags, while Yoast, All in One SEO and SEOPress keep their WooCommerce SEO features in paid tiers or a paid extension. Whichever you pick, check two things WooCommerce already does on its own. Its core code adds a noindex robots directive to the cart, checkout and My account pages, so the SEO plugin shouldn't undo it. And WooCommerce prints its own Product structured data, so a plugin adding a second Product graph needs one of them switched off. The rest of what a store needs is in my WooCommerce SEO checklist.

For page builders, Yoast, Rank Math, All in One SEO and SEOPress all list an Elementor integration, so the SEO fields open inside the builder. Rank Math, AIOSEO and SEOPress also list Divi. The builder decides far more than the plugin does, and how Elementor pages get built matters more than which of the four sits alongside it.

Can you run two SEO plugins at once?

Don't. Two SEO plugins print two title tags, two meta descriptions, two canonicals and often two schema graphs. Google's canonical guidance says not to specify different URLs as canonical for the same page with different methods, and two plugins configured differently do exactly that. SEOPress's own page makes the same case from the other side: fewer plugins, fewer conflicts.

Switching is safer than it used to be. All six list importers for data from other SEO plugins: Rank Math, for one, lists one-click imports from Yoast, AIOSEO and SEOPress. What they don't all carry across is redirects and custom schema, so those get exported separately before the old plugin's deactivated.

Rank Math or Yoast: which should you pick?

The two most asked-about plugins differ mostly in what's free. Rank Math gives more in its free version, redirects and schema types especially. Yoast gives a tidy connected schema graph by default and fewer settings to get wrong. Neither ranks a site better on its own. I've written the full Rank Math vs Yoast comparison, pricing and switching steps included.

Schema is where the choice shows most, and it's where a second source slips in. Here's how to add schema to WordPress so the plugin's graph and anything you add describe one page, not two.