# Slim SEO review (2026): is the free plan enough? > WordPress SEO plugin that sets meta tags and schema with no setup Checked Oct 23, 2026 ยท graded Oct 23, 2026 by ToolGPA. Slim SEO is a WordPress SEO plugin from the team behind Meta Box that works with almost no configuration. The free plugin generates meta tags, social tags, schema, XML sitemaps and breadcrumbs, handles redirects and 404 monitoring, and can write titles and descriptions with your own AI key. Slim SEO Pro adds a visual schema builder, internal link suggestions and link health reports, Search Console data and a writing assistant. - **Category:** SEO Plugins & Apps - **Made by:** Slim SEO - **Website:** https://wpslimseo.com - **Runs on:** Web - **Who should skip it:** Watch out: AI meta writing runs on your own OpenAI, Gemini, Claude or OpenRouter key, billed by that provider. - **Facts last checked:** Oct 23, 2026 ## Pricing As of Oct 23, 2026, Slim SEO has a free plan, and paid plans start at $59 per year for 1 site. - **Pricing model:** Free plan - **Free plan:** Free plugin on WordPress.org: automatic meta and social tags, schema, XML, image and news sitemaps, breadcrumbs, redirects, 404 monitoring and AI meta writing with your own API key. - **Free trial:** None listed. | Plan | Price | What you get | | --- | --- | --- | | Slim SEO | $0 | The free WordPress.org plugin with automatic meta tags, schema, sitemaps, redirects and AI-written metadata. | | Personal | $59 per year for 1 site, renews at the same price | Slim SEO Pro on 1 site: visual schema builder, link suggestions and health monitoring, Search Console reports and the writing assistant. | | Freelancer | $119 per year for 10 sites, renews at the same price | The same Pro features on up to 10 sites, with a year of updates and support. | | Agency | $179 per year for unlimited sites, renews at the same price | The same Pro features on unlimited sites. Hosts, SaaS companies and maintenance services must ask for a quote. | Read from https://wpslimseo.com/products/slim-seo-pro/ on Oct 23, 2026. Prices change, so confirm with Slim SEO before buying. ## Ways to pay less - **Education licence discount on request** (Education): The Slim SEO Pro page invites schools and other educational buyers to contact the team for a discounted licence. The amount is not stated. Source: https://wpslimseo.com/products/slim-seo-pro/ - **Nonprofit licence discount on request** (Nonprofit): The Slim SEO Pro page invites nonprofits to contact the team for a discounted licence. The amount is not stated. Source: https://wpslimseo.com/products/slim-seo-pro/ ## Key features - **Automatic meta and social tags:** Writes meta titles, descriptions, robots tags, Open Graph, Twitter Card and LinkedIn tags from each post with no setup, all editable. - **AI titles and descriptions:** The free plugin writes meta titles and descriptions one by one or in bulk using OpenAI, Gemini, Claude or OpenRouter, with your own API key. - **Schema, sitemaps and breadcrumbs:** Adds connected JSON-LD schema automatically and builds XML, image and Google News sitemaps. Pro adds a visual builder with 30+ schema types and custom JSON-LD. - **Redirects and 404 monitoring:** Set redirect rules, force www or non-www, log 404s and redirect automatically when a post's slug changes, on the free plugin. - **Link manager:** Pro scans every link for status, suggests internal links from post content, fixes broken or redirected links in bulk and reports orphan pages. - **Search Console and writing assistant:** Pro shows Search Console performance, keyword and page reports in WordPress, and gives tips on keywords, images, links and readability while writing. ## Good for - WordPress owners who want SEO handled with few settings - Large or busy sites that want a plugin light on database queries - Freelancers adding schema and link reports across client sites ## Worth knowing - It needs a self-hosted WordPress site; there is no standalone app. - AI meta writing uses your own OpenAI, Gemini, Claude or OpenRouter key, so the AI provider bills you separately. - The schema builder, link tools, Search Console reports and writing assistant all need Slim SEO Pro. - Pro licences include a year of updates and support; refunds can be requested within 14 days. ## ToolGPA grades **GPA: 3.4 out of 4**, graded Oct 23, 2026. Slim SEO writes meta tags, schema and sitemaps on its own and handles redirects and 404s, all in the free plugin, with Pro at $59 a year for one site. The AI writing runs on your own AI key, so that's billed separately, and the schema builder, link tools and Search Console reports are all Pro. - **Value for money: A.** Personal is $59 a year for one site, about $4.92 a month, and renews at the same price. That's under 60% of this category's cheaper quarter. Ten sites are $119 a year and unlimited sites $179. - **Free plan and trial: A.** The free plugin has no caps: automatic meta and social tags, schema, XML, image and News sitemaps, breadcrumbs, redirects, 404 logs and AI meta writing with your own key. The schema builder and link tools are Pro. - **Features: B.** Meta tags, connected schema, sitemaps, breadcrumbs, redirects, 404 logs and AI meta writing, then on Pro a schema builder with 30+ types, link suggestions, Search Console reports and a writing assistant. It covers the whole job. - **Ease of use: B.** No rating on record, but it works as soon as it's on: meta tags, schema and sitemaps are written from your posts with no setup. Only the AI writing needs a key pasted in. - **Platforms and integrations: B.** Web only, inside WordPress. It connects to Search Console, Google Analytics and Tag Manager, and to OpenAI, Gemini, Claude and OpenRouter for AI writing. These are ToolGPA's own grades. Graded from this listing, whose facts were read from Slim SEO's own pages on 23 October 2026. Not based on using the product, and shorter than our full reviews. ## Where it stands among SEO plugins and apps - Slim SEO's GPA of 3.4 is higher than 78 of the 78 other SEO plugins and apps we grade. - It stands best on free plan and trial (A, above 63 of 78) and worst on platforms and integrations (B, above 31). - Its paid plans start at $4.92 a month when paid by the year, against a middle price of $9.99 for the category: 7 of the 58 others that charge start lower. - On features, ease of use and platforms it scores 3.0 out of 4, and no tool on the category's chart scores higher without costing more. The category's chart of price against score: https://toolgpa.com/charts/seo-plugins ## Keep it, or make your own? **Keep it.** The plain part of Slim SEO you could make: schema markup and internal linking. What surrounds it you could not. The 4 things listed below take a company, not a weekend. It is one of the better ones too: its GPA of 3.4 is higher than 78 of the 78 other SEO plugins and apps we grade. It costs $59 a year. - You could make: Schema markup and internal linking: an app builder makes these well. - You could not: A score built from what the top results for each keyword cover. - You could not: It plugs into other products, Google Search Console, Google Analytics and Google Tag Manager among them. - You could not: AI features, unless you pay a model provider for each request yourself. - You could not: The depth: we grade its features B, which means it covers the whole job. A judgement by ToolGPA from this listing, by rules that are the same for every tool. Nothing was built to test it. ## Works with Google Search Console, Google Analytics, Google Tag Manager, OpenAI, Gemini, Claude, OpenRouter **Tags:** Schema markup, Internal linking, Content optimization, AI features ## Alternatives - [The SEO Framework](https://toolgpa.com/tools/the-seo-framework): WordPress SEO plugin that fills in meta tags and schema automatically. [Compare](https://toolgpa.com/compare/slim-seo-vs-the-seo-framework) - [Yoast SEO](https://toolgpa.com/tools/yoast-seo): WordPress SEO plugin with content analysis, schema and sitemaps. [Compare](https://toolgpa.com/compare/slim-seo-vs-yoast-seo) - [SEOPress](https://toolgpa.com/tools/seopress): WordPress SEO plugin with a free edition and site licences from $49. [Compare](https://toolgpa.com/compare/seopress-vs-slim-seo) - [All in One SEO (AIOSEO)](https://toolgpa.com/tools/aioseo): WordPress SEO plugin with schema, redirects, link suggestions and AI. [Compare](https://toolgpa.com/compare/aioseo-vs-slim-seo) - [Rank Math](https://toolgpa.com/tools/rank-math): WordPress SEO plugin for meta tags, schema, sitemaps and rank tracking. [Compare](https://toolgpa.com/compare/rank-math-vs-slim-seo) ## Sources The prices, plans, platforms and features above were read from these pages on Oct 23, 2026: - https://wpslimseo.com/products/slim-seo-pro/ - https://wpslimseo.com/ - https://wordpress.org/plugins/slim-seo/ - https://wpslimseo.com/terms/ - https://wpslimseo.com/about/ Page: https://toolgpa.com/tools/slim-seo Listed by ToolGPA (toolgpa.com).