Best WordPress SEO Plugins in 2026

Data from WordPress.org Updated September 7, 2026 First published September 4, 2026 5 min read

Titles, sitemaps, schema and content checks that WordPress leaves to plugins.

SEO plugins handle the parts of search optimisation that WordPress leaves out: titles and meta descriptions, XML sitemaps, schema markup, redirects and on-page content checks. Most sites run exactly one, and switching later means migrating settings, so the choice tends to stick for years.

Together these 10 plugins run on more than 24,470,000 active WordPress sites. Ranked from both WordPress.org orderings for "seo", its tag listing and its search results.

On this page

Best for each measure
Quick comparison
The top 10
How to choose
Head-to-head
How this list is ranked
FAQ
Conclusion
Other rankings

Best SEO Plugin for each measure

One plugin per measure, taken from the same WordPress.org figures as the ranking. A measure with nothing behind it is left out rather than guessed.

Most installed: Yoast SEO
10 million+, active installs reported by WordPress.org
Highest rated: Yoast SEO
4.8 out of 5, from 27,819 reviews, counting only plugins with at least 50
Most reviewed: Yoast SEO
27,819 reviews, the largest body of feedback behind a score
Most recently updated: SEOPress
September 2, 2026, the latest release in this list
Longest established: All in One SEO
March 30, 2007, first published on WordPress.org
Best support record: All in One SEO
33 of 33 resolved, recent threads on the WordPress.org support forum
Most languages: Rank Math SEO
19 languages, translated to 90% or more on translate.wordpress.org

SEO Plugins compared: rating, reviews, installs

#	Plugin	Rating	Reviews	Active installs
1	Yoast SEO	4.8	27,819	10 million+
2	Rank Math SEO	4.8	7,498	4 million+
3	All in One SEO	4.7	5,202	2 million+
4	LiteSpeed Cache	4.8	2,770	7 million+
5	SEOPress	4.8	1,252	300,000+
6	SiteSEO	4.0	9	500,000+
7	SEO SIMPLE PACK	4.6	14	100,000+
8	Slim SEO	4.7	136	70,000+
9	SureRank SEO	4.8	44	400,000+
10	ACF Content Analysis for Yoast SEO	4.1	35	100,000+

The 10 best SEO Plugins, ranked by WordPress.org

Ranked from both WordPress.org orderings for "seo", its tag listing and its search results. Arrows show movement against the previous snapshot.

1.Yoast SEO

Yoast SEO – Advanced SEO with real-time guidance and built-in AI

4.8 (27,819) 10 million+ active installs Updated Sep 1, 2026 Tested up to 7.1 Paid version available

Real-time SEO guidance, schema, and AI built in. Help search engines and AI systems understand your content. All AI tools included, no hidden fees.

Stats and rankings WordPress.org Website
2.Rank Math SEO

Rank Math SEO – AI SEO Tools to Dominate SEO Rankings

4.8 (7,498) 4 million+ active installs Updated Aug 31, 2026 Tested up to 7.1

Grow your organic traffic and AI visibility with powerful SEO tools, XML sitemaps, Schema automation, and built-in AI SEO, all in one place.

Stats and rankings WordPress.org Website
3.All in One SEO

All in One SEO – AI SEO Plugin to Boost SEO Rankings & Traffic (Schema, Local SEO, Sitemap & SEO Insights)

4.7 (5,202) 2 million+ active installs Updated Aug 28, 2026 Tested up to 7.1

AIOSEO is the WordPress SEO plugin. Boost SEO rankings with AI SEO tools, schema, meta descriptions, XML sitemaps & rank tracking.

Stats and rankings WordPress.org Website
4.LiteSpeed Cache

4.8 (2,770) 7 million+ active installs Updated Sep 1, 2026 Tested up to 7.1

All-in-one unbeatable acceleration & PageSpeed improvement: caching, image/CSS/JS optimization...

Stats and rankings WordPress.org Website
5.SEOPress

SEOPress – AI SEO Plugin & On-site SEO

4.8 (1,252) 300,000+ active installs Updated Sep 2, 2026 Tested up to 7.1 Paid version available

WordPress SEO plugin with AI SEO metadata, schema, XML sitemap, redirections & Search Console. Privacy-first, white-label SEO. Now AI-ready.

Stats and rankings WordPress.org Website
6.SiteSEO

SiteSEO – SEO Simplified

4.0 (9) 500,000+ active installs Updated Aug 14, 2026 Tested up to 7.1

SiteSEO is an easy, fast and powerful SEO plugin for WordPress. Unlock your Website's potential and Maximize your online visibility with our SiteSEO!

Stats and rankings WordPress.org Website
7.SEO SIMPLE PACK

4.6 (14) 100,000+ active installs Updated May 22, 2026 Tested up to 7.0.4

This is a very simple SEO plugin. You can easily set and customize meta tags and OGP tags for each page.

Stats and rankings WordPress.org Website
8.Slim SEO

Slim SEO – AI SEO Plugin, Lightweight, Fast & Automated

4.7 (136) 70,000+ active installs Updated Aug 24, 2026 Tested up to 7.1

An AI SEO plugin for WordPress that's lightweight and fast. Automatically generates meta tags, sitemaps, schemas and more with no bloat.

Stats and rankings WordPress.org Website
9.SureRank SEO

SureRank SEO – Meta Tags, Social Preview, XML Sitemap, Schema & Open Graph

4.8 (44) 400,000+ active installs Updated Aug 19, 2026 Tested up to 7.1

Lightweight SEO assistant for meta tags, schema and structured data, XML sitemaps, Open Graph previews, robots.txt, and Search Console.

Stats and rankings WordPress.org Website
10.ACF Content Analysis for Yoast SEO

4.1 (35) 100,000+ active installs Updated Aug 18, 2026 Tested up to 7.1

WordPress plugin that adds the content of all ACF fields to the Yoast SEO score analysis.

Stats and rankings WordPress.org Website

How to choose a SEO Plugin for WordPress

1
Run one, not two
Two SEO plugins write duplicate meta tags and sitemaps. Choose one and remove the other.
2
Plan for the switch you may never make
Titles, descriptions and redirects live inside the plugin; moving later is work, so pick one you can stay with.
3
Check what the free tier includes
Schema markup, XML sitemaps and redirects are free in some plugins and paid in others.
4
Weigh features against weight
Full suites add settings pages and scripts a small site never uses; a lighter plugin may be enough.

SEO Plugin comparisons: side by side

The top four against each other on installs, ratings, reviews and updates. Each measure names its own leader; there is no overall winner.

How we rank SEO Plugins

WordPress.org publishes two orderings for "seo" and neither is reliable alone. The tag listing covers every tag the directory files these plugins under, "seo", "wordpress-seo", "meta-tags" and "open-graph", and is sorted by active installs, which lets a large plugin carrying one of them loosely sit above the ones the category is about. Its search results are sorted by relevance and carry their own noise. So a plugin is placed here by where it sits across both lists: high in each one lifts it, high in only one does not. We fetch both every day at 03:00 UTC, keep every day's snapshot, and add nothing of our own. No plugin is inserted, removed or sponsored, and each entry shows its position in both lists on its own page. Full methodology.

SEO Plugins FAQ

What is the best SEO Plugin for WordPress?

On WordPress.org's own ranking for "seo", Yoast SEO is #1 as of September 7, 2026, with 10 million+ active installs and a 4.8 out of 5 rating.

Which SEO Plugin has the most active installs?

Yoast SEO, with 10 million+ active installs reported by WordPress.org as of September 7, 2026. It ranks #1 in this list.

Which SEO Plugin has the highest rating?

Yoast SEO, rated 4.8 out of 5 by 27,819 reviewers on WordPress.org. Only plugins with at least 50 reviews are counted, so a single 5-star review does not win.

Which SEO Plugin was updated most recently?

SEOPress shipped its latest release on September 2, 2026. 9 of the 10 plugins in this list were updated in the last 90 days, which is the usual sign of active maintenance.

How many SEO Plugins are there on WordPress.org?

WordPress.org lists 2,489 plugins tagged "seo", "wordpress-seo", "meta-tags" and "open-graph" as of September 7, 2026. This page shows the top 10 in the directory's own order.

Are these SEO Plugins free?

All 10 are free to install from WordPress.org. 2 of them are listed as commercial, meaning the developer sells a paid version or add-ons: Yoast SEO, SEOPress.

Do I really need an SEO Plugin for WordPress?

WordPress ships basic titles and an XML sitemap on its own, so a plugin is not mandatory. What a plugin adds is control: custom meta titles and descriptions, canonical tags, schema markup, redirects and per-page indexing rules. Most sites that publish regularly end up wanting at least one of those.

Does an SEO Plugin slow down my site?

On the front end, very little. The output is mostly a few meta tags in the page head, and the heavy work happens in the admin. Slowdowns usually come from stacking two SEO plugins or enabling every module. Keep one plugin, switch off features you do not use, and measure with a real speed test.

SEO Plugins: the bottom line

As of September 7, 2026, Yoast SEO holds the #1 spot for "seo" on WordPress.org, followed by Rank Math SEO and All in One SEO. If install base matters most, Yoast SEO leads with 10 million+ active installs. If ratings matter most, Yoast SEO scores 4.8 out of 5 across 27,819 reviews.