The best SEO plugin for WordPress, compared
Most plugin comparisons are written by someone earning a commission on the winner. This one has no affiliate links and compares what each free version actually includes.
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Quick answer
For most WordPress sites, the best SEO plugin is one of Yoast SEO, Rank Math, All in One SEO, SEOPress, The SEO Framework or Slim SEO, and the choice matters less than using exactly one and configuring it properly. All six create an XML sitemap and add structured data in their free versions; they differ mainly in redirects, local SEO and how much they add to the page.
Key takeaways
- Run one SEO plugin, never two.
- Every option here covers titles, meta descriptions, sitemaps and basic schema for free.
- Redirect managers and local SEO features are often paid extras.
- No plugin does local SEO's main work: that's your Google Business Profile.
What a WordPress SEO plugin actually does
- Lets you write the title tag and meta description for each page.
- Controls which page types are indexed, such as archives.
- Generates an XML sitemap.
- Adds structured data describing your site and pages.
- Some add redirects, breadcrumbs and social sharing tags.
It doesn't write content, earn links or make a slow site fast. Keyword tools such as Semrush or Ahrefs are separate products, not plugins.
The short answer
- Want the most widely used option with plenty of documentation: Yoast SEO.
- Want the most features in the free version: Rank Math.
- Want the lightest plugin with few settings: The SEO Framework or Slim SEO.
- Already using one that works: keep it. Switching rarely helps rankings.
Free versions compared
Figures and features as listed on each plugin's WordPress.org page, checked on 27 October 2026. Install counts change and are a popularity signal, not a quality score.
| Plugin | Active installs | XML sitemap | Schema | Redirect manager | Local SEO |
|---|---|---|---|---|---|
| Yoast SEO | 10+ million | Free | Free | Premium | Premium |
| Rank Math | 4+ million | Free | Free | Listed | Listed |
| All in One SEO | 2+ million | Free | Free | Pro | Pro |
| SEOPress | 300,000+ | Free | Basic free | Pro | Pro |
| The SEO Framework | 200,000+ | Free | Free | Not included | Separate extension |
| Slim SEO | 70,000+ | Free | Basic free | Free | Not mentioned |
"Listed" means the feature appears on Rank Math's plugin page without saying whether it's in the free or paid version. Check current terms on each plugin's site before buying.
Local SEO plugins: what they add and what they can't do
Local SEO features in plugins mostly add local business structured data: your name, address, phone number and hours in a format search engines read. That helps, but the map results are decided mainly by your Google Business Profile, your reviews and how far you are from the searcher. No plugin can manage those. See what local SEO is.
When a paid version is worth it
- A redirect manager, if you change URLs often or are about to restructure the site. A separate free redirect plugin can do the same job.
- Local SEO features, if you have several locations and want structured data for each without editing code.
- Support, if nobody on your team is comfortable with the settings.
Never run two SEO plugins
Two SEO plugins output two sets of title tags, canonical tags, sitemaps and structured data, and they conflict. If you're switching, deactivate the old one after the new one has imported its settings.
The performance arithmetic
Every plugin can add code to every page. A feature-heavy SEO plugin is rarely the slowest thing on a site, but it adds up alongside page builders, sliders and chat widgets. If speed matters, test a key page before and after, and switch off modules you don't use.
Switching plugins without losing settings
- Export or note your current settingsTitles, descriptions, noindex choices and redirects.
- Install the new plugin and run its importMost of the main plugins can import from the others.
- Spot-check key pagesTitles, meta descriptions, canonicals and the sitemap.
- Deactivate the old pluginThen check again, and resubmit the sitemap if its address changed.
Common questions
What is the best free SEO plugin for WordPress?
For most sites, Yoast SEO or Rank Math. Both cover titles, meta descriptions, sitemaps and schema for free; Rank Math lists more features on its free plugin page.
Is Rank Math better than Yoast?
Neither ranks a site better by itself. Rank Math lists more free features; Yoast is more widely used. Choose the one you'll configure properly.
Can I use two SEO plugins at once?
No. They output duplicate and conflicting tags. Use one.
Do I need a separate local SEO plugin?
Not usually. Local structured data helps, but the map results depend mainly on your Google Business Profile and reviews, which no plugin manages.
Does an SEO plugin create a sitemap and schema automatically?
All six plugins compared here list an XML sitemap and structured data in their free versions.
Will switching SEO plugins hurt my rankings?
Not if the settings carry over. Import from the old plugin, check key pages, then deactivate it.
Where to next
If you would rather have someone do this than read about it, the commercial page for this work is WordPress SEO services.
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