Zinn® SEOFree WordPress SEO plugin and Pro: everything you get in Zinn® SEO
Every feature of Zinn® SEO, area by area, with what is free and what is Pro. 95 of 122 features are free.
This is the complete list: 122 features, and 95 of them are free. It is the same list the plugin itself shows, so nothing here is missing from the plugin and nothing is promised that is not built.
Speed and footprint
| Free | Pro | |
|---|---|---|
| Nothing added to your visitors' pages | Yes | Yes |
| No HTML comments or generator tags | Yes | Yes |
| A small, measured head | Yes | Yes |
| No second copy of your posts | Yes | Yes |
| One small setting loaded per page | Yes | Yes |
| Scripts only on its own screens | Yes | Yes |
| Background work that resumes | Yes | Yes |
| Modern and older servers | Yes | Yes |
| Speed checked on every release | Yes | Yes |
Search appearance
| Free | Pro | |
|---|---|---|
| Titles and descriptions for every kind of page | Yes | Yes |
| Robots and canonical control | Yes | Yes |
| Site verification for every search engine | Yes | Yes |
| Google Discover readiness | Yes | Yes |
Social sharing
| Free | Pro | |
|---|---|---|
| Open Graph and X cards | Yes | Yes |
| Mastodon, Pinterest and LinkedIn tags | Yes | Yes |
| Branded social cards | No | Yes |
| A card for posts without an image | No | Yes |
Bulk editing
| Free | Pro | |
|---|---|---|
| Bulk editor | Yes | Yes |
| Change every matching page, and undo | Yes | Yes |
| Spreadsheet import and export | No | Yes |
Sitemaps
| Free | Pro | |
|---|---|---|
| XML sitemaps that stream | Yes | Yes |
| Fast on any size of site | Yes | Yes |
| Images in the sitemap | Yes | Yes |
| Pre-built, rebuilt only where it changed | Yes | Yes |
| Every language in the sitemap | Yes | Yes |
| Honest last-changed dates | Yes | Yes |
| Leave out what should not be found | Yes | Yes |
| A readable sitemap in the browser | Yes | Yes |
| Shop products done right | Yes | Yes |
| Sitemap health | Yes | Yes |
| Video, Google News and HTML sitemaps | No | Yes |
| One sitemap for a whole network | No | Yes |
AI visibility
| Free | Pro | |
|---|---|---|
| llms.txt and llms-full.txt | Yes | Yes |
| llms.txt in every language | Yes | Yes |
| A language index for AI assistants | Yes | Yes |
| Choose which AI crawlers may read the site | Yes | Yes |
| Say how your content may be used | Yes | Yes |
| A Markdown version of every page | No | Yes |
| Clean text for agents, announced | No | Yes |
| AI crawler visits | No | Yes |
Crawling and indexing
| Free | Pro | |
|---|---|---|
| robots.txt editor with checks | Yes | Yes |
| IndexNow | Yes | Yes |
| Request indexing in one click | Yes | Yes |
| Staging copies stay out of search | Yes | Yes |
Structured data
| Free | Pro | |
|---|---|---|
| Your knowledge graph | Yes | Yes |
| One graph per page | Yes | Yes |
| Pages, articles and authors | Yes | Yes |
| Offline structured-data check | Yes | Yes |
| Site graph for AI agents | Yes | Yes |
| Other plugins join your graph | Yes | Yes |
| Rich-result rules built in | Yes | Yes |
| Schema types per page | No | Yes |
| Visual schema builder | No | Yes |
| Schema by rule | No | Yes |
| About, mentions and speakable | No | Yes |
SEO blocks
| Free | Pro | |
|---|---|---|
| One block library, every builder | Yes | Yes |
| Quick Answer block | Yes | Yes |
| Quick Answer with length advice | Yes | Yes |
| FAQ and How-to blocks | Yes | Yes |
| Table of contents | Yes | Yes |
| Article index | Yes | Yes |
| Key takeaways | Yes | Yes |
| Pros and cons | Yes | Yes |
| Review box | Yes | Yes |
| Author and expert box | Yes | Yes |
| Related content | Yes | Yes |
| Local business | Yes | Yes |
| Elementor integration | Yes | Yes |
| Comparison table | No | Yes |
| Fact check | No | Yes |
| Glossary | No | Yes |
| Video with key moments | No | Yes |
| Custom block builder | No | Yes |
Content analysis
| Free | Pro | |
|---|---|---|
| Live SEO checks in every editor | Yes | Yes |
| Analysis of the page as visitors see it | Yes | Yes |
| Rendered-page analysis for every builder | Yes | Yes |
| Focus phrases with synonyms | Yes | Yes |
| Readability in every WordPress language | Yes | Yes |
| Inclusive language | Yes | Yes |
| Search result preview | Yes | Yes |
| Cornerstone content | Yes | Yes |
| Accessibility checks | Yes | Yes |
| Scores in the post lists | Yes | Yes |
| Duplicate finder | Yes | Yes |
| Pages competing for one phrase | Yes | Yes |
| Answer-readiness score | No | Yes |
| Search intent and topic coverage | No | Yes |
| SEO revisions | No | Yes |
Internal links
| Free | Pro | |
|---|---|---|
| Link suggestions as you write | Yes | Yes |
| Orphans and dead ends | Yes | Yes |
| Breadcrumbs for themes | Yes | Yes |
| Link rules | Yes | Yes |
| Suggestions by meaning | No | Yes |
| Automatic links | No | Yes |
| Broken link checker | No | Yes |
Fix it and inspector
| Free | Pro | |
|---|---|---|
| Fix it inbox | Yes | Yes |
| One inbox for every kind of issue | Yes | Yes |
| SEO inspector | Yes | Yes |
Redirects and protection
| Free | Pro | |
|---|---|---|
| Redirect manager | Yes | Yes |
| Automatic redirects | Yes | Yes |
| Chain and loop fixer | Yes | Yes |
| Import redirects from other plugins | Yes | Yes |
| Fast redirects | No | Yes |
| Server-level redirect export | No | Yes |
| 404 monitor that cannot fill your database | Yes | Yes |
| Safe permalink and domain changes | Yes | Yes |
| Site search insights | Yes | Yes |
| Hacked-site SEO spam scan | Yes | Yes |
| SEO lock | No | Yes |
Moving from another plugin
| Free | Pro | |
|---|---|---|
| Import from eight SEO plugins | Yes | Yes |
| Side by side, then a proven switch-off | Yes | Yes |
Setup and screens
| Free | Pro | |
|---|---|---|
| Guided setup | Yes | Yes |
| Setup that waits for you | Yes | Yes |
| Command palette | Yes | Yes |
| SEO roles and permissions | Yes | Yes |
| One upgrade screen, no nagging | Yes | Yes |
| Pro through Freemius | No | Yes |
Your data
| Free | Pro | |
|---|---|---|
| Clean uninstall | Yes | Yes |
| Copy settings to another site | Yes | Yes |
Developers
| Free | Pro | |
|---|---|---|
| REST API and WP-CLI | Yes | Yes |
| Hooks and a typed PHP API | Yes | Yes |
| One feature list | Yes | Yes |
What does Pro cost?
Pro starts at $49 a year and costs the same every year. The free plugin stays free.
From the same team
Want fast hosting to go with it?
Zinn Digital® hosts WordPress on its own servers, with a CDN, DNS, TLS and daily backups included in every plan.