Slim SEO Review – Is It a Good WordPress SEO Plugin?

Overview

Slim SEO is a lightweight SEO plugin credited on WordPress.org to Anh Tran and listed since December 2018; it reported 70,000+ active installations in November 2026.^[11]

The plugin’s premise is that most SEO plugins have too many options for ordinary users. Slim SEO describes itself as a full-featured SEO plugin in which configuration is done automatically, so users do not need to understand complex settings, and it does not display advertising.^[11] It automatically generates meta titles, descriptions and robots tags, Open Graph, Twitter Card and LinkedIn tags, and XML sitemaps including image and Google News sitemaps, and adds breadcrumbs.^[11] AI features write meta titles and descriptions per post or in bulk, using the site owner’s own API key for OpenAI, Google Gemini, Anthropic Claude or OpenRouter.^[11] The listing was updated on 13 November 2026, showing active development.^[11]

A Pro edition adds further tools for users who need more control; its pricing was not published on the vendor’s pricing page when checked. Slim SEO’s minimal interface is its main attraction and its main limitation: owners who want detailed content scoring, rank tracking or extensive per-page controls will find fewer options than in Yoast, Rank Math or AIOSEO.