Hydrogen AI runs on the Hydrogen SEO service, so the service needs a way to call back into your site to read and change SEO data. WordPress's built-in application passwords are that mechanism \u2014 a revocable credential, separate from your login password, that never gives anyone access to your admin screens.<\/p>\n\n
When you connect the agent, the plugin creates one application password named Hydrogen SEO Agent<\/strong> for the WordPress user doing the connecting, and sends it to the service over HTTPS so it can authenticate its calls back to your site. Any earlier credential with the same name is deleted first, so only one ever exists. The service verifies the credential by calling your site before it stores anything, and it stores it encrypted. See the \"Privacy\" and \"External services\" sections for the specifics.<\/p><\/dd>\nHow do I revoke the agent's access?<\/h3><\/dt>\nTwo ways, and either is enough:<\/p>\n\n
\n- In the plugin, open Hydrogen SEO \u2192 Hydrogen AI and disconnect. The plugin deletes the Hydrogen SEO Agent<\/strong> application password from your site and clears the stored connection.<\/li>\n
- In WordPress, go to Users \u2192 Profile \u2192 Application Passwords and revoke Hydrogen SEO Agent<\/strong> directly.<\/li>\n<\/ol>\n\n
You can also switch AI Abilities off, which blocks every agent call at the gate regardless of any credential.<\/p><\/dd>\n
What is llms.txt and why does it matter?<\/h3><\/dt>\nllms.txt is a file at the root of your site that states how your content may be crawled and used by AI systems, in the way robots.txt does for search engines. It is a proposed convention, not a ratified standard, and honouring it is up to each crawler. Hydrogen SEO gives you an editor for it so the file exists and says what you want it to say.<\/p><\/dd>\n
How do I add schema markup without writing JSON-LD?<\/h3><\/dt>\nPick a schema type in the Schema screen or in the post's SEO panel and fill in the fields; the plugin outputs valid JSON-LD for you. Article, Product, FAQ, HowTo, Recipe, Course, Event, Local Business and Breadcrumbs are all supported, and the AI can draft your business details for you.<\/p><\/dd>\n
Is Hydrogen SEO compatible with other SEO plugins?<\/h3><\/dt>\nIt works alongside other plugins, but running two SEO plugins that both output titles, meta tags or schema can produce duplicate output. For best results use Hydrogen SEO as your primary SEO plugin.<\/p><\/dd>\n
Will this slow my site down?<\/h3><\/dt>\nNo. The plugin adds no front-end JavaScript for its SEO output, and the admin dashboard loads its heavy assets only when needed.<\/p><\/dd>\n
What are the requirements?<\/h3><\/dt>\nWordPress 6.7 or higher, PHP 7.4 or higher, and a modern browser with JavaScript enabled in the admin. Application passwords \u2014 needed only for Hydrogen AI \u2014 require HTTPS and must not be disabled by a security plugin.<\/p><\/dd>\n
Where is my data sent?<\/h3><\/dt>\nOnly to the Hydrogen SEO API, and only when you actively use an AI feature or run the agent. The \"External services\" and \"Privacy\" sections below list exactly what is sent, when, and what is stored.<\/p><\/dd>\n\n<\/dl>\n\n\n
0.0.13<\/h4>\n\n\n- Setup wizard is two steps instead of three: the Site Analysis step is gone, along with the scan endpoint behind it<\/li>\n
- Finishing setup now always records that it is complete, so the wizard stops reappearing after you leave the last screen<\/li>\n<\/ul>\n\n
0.0.12<\/h4>\n\n\n- Hydrogen AI: a chat agent inside the plugin that reads and changes your site's SEO through Hydrogen SEO's own tools \u2014 page metadata, structured data, sitemaps, robots rules, redirects, alt text and featured images \u2014 and asks before anything it cannot undo<\/li>\n
- Hydrogen AI lives in the dashboard and as a second tab in the editor's SEO Settings sheet, scoped to the post you are editing<\/li>\n
- 87 WordPress Abilities registered for agents, gated behind an explicit switch, a domain lock and the manage_options capability<\/li>\n
- New site-wide audits: duplicate titles and descriptions, keyword cannibalisation, orphan pages, broken internal links, metadata lengths<\/li>\n
- Connecting the agent needs only your Hydrogen SEO API key and confirms before creating its application password<\/li>\n
- The older per-field AI buttons, AI featured image section and AI tools page are retired in favour of Hydrogen AI<\/li>\n<\/ul>\n\n
0.0.11<\/h4>\n\n\n- Onboarding improvements<\/li>\n
- Clearer consent wording and a working privacy policy link in the setup wizard<\/li>\n<\/ul>\n\n
0.0.10<\/h4>\n\n\n- AI suggestions in the editor: the SEO title, meta description and social fields now have an AI button that offers several options with character counts \u2014 choose one and it fills the field<\/li>\n
- Fixed AI features that generated results but never applied or displayed them<\/li>\n
- Fixed AI requests timing out before the generation finished<\/li>\n
- Fixed AI featured image generation and setting a generated image as the featured image<\/li>\n
- Removed the AI Content Assistant panel in favour of the per-field AI buttons<\/li>\n
- Removed placeholder sample data from the dashboard so every number shown is your site's own<\/li>\n
- Long generated text no longer overflows its input; added loading, empty and error states across the dashboard and the editor panel<\/li>\n
- Errors that previously failed silently (saving SEO settings, loading schema fields, content analysis) are now reported in the interface<\/li>\n
- Internal link suggestions are now provided by the separate Hydrogen SEO Pro add-on<\/li>\n
- Various layout, spacing and consistency fixes<\/li>\n<\/ul>\n\n
0.0.9<\/h4>\n\n\n- Completely redesigned setup wizard with a new immersive look and a smoother step-by-step flow<\/li>\n
- Streamlined the WordPress admin menu \u2014 full navigation now lives inside the plugin dashboard's own sidebar<\/li>\n
- Faster admin dashboard: heavy visual assets are now loaded on demand instead of up front<\/li>\n
- Fixed setup wizard layout issues: unnecessary scrolling, button placement, and focus states<\/li>\n
- Various UI polish and stability improvements across the dashboard and block editor<\/li>\n<\/ul>\n\n
0.0.8<\/h4>\n\n\n- New Hydrogen SEO \"Balloon\" brand mark across the admin menu, dashboard, block editor, and WordPress.org listing (banner and icon)<\/li>\n
- Refreshed loading and onboarding animations to use the animated logo<\/li>\n<\/ul>\n\n
0.0.7<\/h4>\n\n\n- Rebranded the plugin to Hydrogen SEO<\/li>\n<\/ul>\n\n
0.0.6<\/h4>\n\n\n- Output JSON-LD schema markup with WordPress default escaping for safe script-context rendering<\/li>\n
- Registered plugin settings with a statically verifiable prefixed option name<\/li>\n<\/ul>\n\n
0.0.3<\/h4>\n\n\n- Removed sitemap search-engine pinging and the XSL stylesheet<\/li>\n
- Documented external services in the readme<\/li>\n
- Sanitized stored schema data and escaped JSON-LD output for script context<\/li>\n
- Fixed General Settings not saving<\/li>\n<\/ul>\n\n
0.0.1<\/h4>\n\n\n- Initial release<\/li>\n
- AI-powered content analysis<\/li>\n
- Content optimization features<\/li>\n
- Modern React-based dashboard<\/li>\n
- REST API integration<\/li>\n<\/ul>","raw_excerpt":"AI SEO for WordPress: generate meta titles, descriptions, schema and alt text, fix on-page issues, and get found in Google and AI search.","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/mya.wordpress.org\/plugins\/wp-json\/wp\/v2\/plugin\/320019","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mya.wordpress.org\/plugins\/wp-json\/wp\/v2\/plugin"}],"about":[{"href":"https:\/\/mya.wordpress.org\/plugins\/wp-json\/wp\/v2\/types\/plugin"}],"replies":[{"embeddable":true,"href":"https:\/\/mya.wordpress.org\/plugins\/wp-json\/wp\/v2\/comments?post=320019"}],"author":[{"embeddable":true,"href":"https:\/\/mya.wordpress.org\/plugins\/wp-json\/wporg\/v1\/users\/sheeshlabs"}],"wp:attachment":[{"href":"https:\/\/mya.wordpress.org\/plugins\/wp-json\/wp\/v2\/media?parent=320019"}],"wp:term":[{"taxonomy":"plugin_section","embeddable":true,"href":"https:\/\/mya.wordpress.org\/plugins\/wp-json\/wp\/v2\/plugin_section?post=320019"},{"taxonomy":"plugin_tags","embeddable":true,"href":"https:\/\/mya.wordpress.org\/plugins\/wp-json\/wp\/v2\/plugin_tags?post=320019"},{"taxonomy":"plugin_category","embeddable":true,"href":"https:\/\/mya.wordpress.org\/plugins\/wp-json\/wp\/v2\/plugin_category?post=320019"},{"taxonomy":"plugin_contributors","embeddable":true,"href":"https:\/\/mya.wordpress.org\/plugins\/wp-json\/wp\/v2\/plugin_contributors?post=320019"},{"taxonomy":"plugin_business_model","embeddable":true,"href":"https:\/\/mya.wordpress.org\/plugins\/wp-json\/wp\/v2\/plugin_business_model?post=320019"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}