Slim SEO
by eLightUp
A deliberately minimal SEO plugin that sets sensible titles, descriptions and schema automatically with almost no settings.
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What Slim SEO does
A deliberately minimal SEO plugin that sets sensible titles, descriptions and schema automatically with almost no settings.
It sits in the seo part of a WordPress stack and is sold by eLightUp on a freemium basis. We recommend it in our seo guides because it does that one job well without asking you to rebuild the rest of the site around it.
Every plugin adds work to a page request, so treat this as a decision with a cost. Record a speed test before you install it and run the same test afterwards, on the same page, so you know exactly what it charged you.
Real user ratings
Score
4.7/5
Reviews
136
Active installs
70,000+
Downloads
2.2M
Latest version
4.10.1
Last updated
2026-09-07
These figures come straight from the public WordPress.org plugin directory API for version 4.10.1, not from us. Check them yourself on the WordPress.org listing. Our own editorial score is 4.7/5.
Where Slim SEO ranks elsewhere
Slim SEO does not appear in the published "best of" lists we track from WPBeginner, TechRadar, Kinsta, Themeisle and similar sites. That is not a mark against it - those roundups are short and skew towards the biggest names.
What changed in the latest version
- Fix REST API authorization for term meta tags
- Fix BreadcrumbList warning on WooCommerce shop page due to missing the trailing slash in the URL
- Fix contributor arbitrary post-meta disclosure in quick edit and meta keys route
- Add deleted URL notifications for redirection (#285)
- Remove redundant strtolower on request URL in redirection
- Fix contributor arbitrary post-meta disclosure in preview routes. Credit Shivamani Vastrala. (#288)
- Align inserter button to the center of the input box
Release notes are the developer's own words, published on WordPress.org. Read the full changelog
Pros and cons
- Zero-configuration and very light
- A free tier you can trial before paying
- Actively maintained and used on production sites we test
- Little manual control by design
- The features most sites need sit in the paid tier
How to use it
- 1Import existing metadata if you are switching from another SEO plugin.
- 2Set your site title pattern, default social image and organisation schema.
- 3Disable modules you will not use so the admin stays fast.
- 4Submit the generated sitemap in Google Search Console.
- 5Spot-check twenty URLs for correct titles, descriptions and canonicals.
How it compares
Other seo plugins we recommend, with their rating and pricing model.
| Plugin | Our rating | WordPress.org | Pricing | Best for |
|---|---|---|---|---|
| Slim SEO | 4.7 | 4.7 (136) | Freemium | Zero-configuration and very light |
| AIOSEO | 4.6 | n/a | Freemium | Broad feature coverage in one place |
| AIOSEO Writing Assistant | 4.2 | n/a | Premium | Competitor-based content scoring |
| All in One SEO | 4.6 | 4.7 (5,205) | Freemium | Local SEO and redirects included |
| Broken Link Checker | 3.8 | 3.8 (605) | Freemium | Finds link rot across years of archives |
| Link Whisper | 4.5 | 4.1 (145) | Premium | Internal linking at scale |
Guides that cover Slim SEO
Alternatives
Other seo plugins
AIOSEO
AIOSEO
The All in One SEO toolkit: titles, schema, sitemaps, redirects and search console insight in one dashboard.
AIOSEO Writing Assistant
AIOSEO
Grades drafts against the pages already ranking for your keyword and lists the terms and questions they cover.
All in One SEO
AIOSEO
A full SEO suite with schema, local SEO, redirects and a site audit, aimed at business sites rather than single blogs.
5,205 reviews · 210.2M downloads · v5.0.1.1