Website LLMs.txt

變更記錄

7.1.6

🐞 Bug Fixes & Enhancements: Stability, Indexing, and Compatibility

• Fixed PHP warning for undefined llms_allow_indexing key in yoast.php, added proper default handling.
• Improved compatibility with Yoast SEO & RankMath by checking settings arrays before use.
• Enhanced fallback handling for missing meta descriptions and cleaned up fallback output in generated files.
• Minor code refactoring for better PHP 8.2+ compatibility and reduced log noise.

7.1.5

🐞 Bug Fixes & Improvements: WooCommerce, WP-Rocket, PHP Notices, and I18N

• Fixed a fatal error when editing WooCommerce products (has_weight() on null) caused by the plugin calling do_shortcode() on product content — now properly checks context and avoids passing invalid post data to WooCommerce templates.
• Adjusted WP-Rocket cache clearing behavior.
• Resolved PHP Notice in admin menu creation (add_submenu_page) by ensuring the 7th parameter is numeric (position), no longer passing invalid icon string.
• Improved I18N (Internationalization) strings in admin-page.php for proper localization and improved translations.
• Added minor UI fixes and cleaned up wording in the admin area.

✅ Recommended upgrade if you use WooCommerce, Divi theme, or WP-Rocket, and/or run with WP_DEBUG enabled.
🎯 Thanks to all users who reported and helped debug these issues!

7.1.4

🐞 Bug Fixes: Generator Stability and PHP 8.x Compatibility

• Fixed PHP warnings about undefined $output variable in class-llms-generator.php when generating LLMS data
• Fixed deprecated usage of mb_convert_encoding() with null input on line 428
• Ensures $output is always initialized before being used and passed to mb_convert_encoding()
• Improved error handling when no content is available to write during generation
• Verified compatibility with PHP 8.1 and 8.2 to prevent log noise and execution failures

7.1.1

🐞 Bug Fix: LLMS Crawler Activation

• Fixed an issue where the LLMS Crawler feature was not activating correctly after plugin installation or settings update
• Ensures that the crawler logging toggle properly saves and reflects the current state in the admin UI
• Improved reliability of the global experiment opt-in status

7.1.0

🐞 Bug Fix: Admin Menu Compatibility

• Fixed a PHP notice when WP_DEBUG is enabled, caused by incorrect usage of add_submenu_page()
• The submenu page no longer passes an icon name (dashicons-media-text) as the 7th parameter — now uses a proper numeric menu position
• Improves compatibility with WordPress >= 5.3 and prevents unnecessary log noise

7.0.9

🧠 New Feature: AI Crawler Detection

• Added new admin section with detailed insights into AI bot activity on your llms.txt file
• Introduced logging for AI crawlers like GPTBot, ClaudeBot, and PerplexityBot — including bot name and last seen timestamp
• Added dashboard table to view recent bot visits (max 100 entries, rolling log)
• New setting: opt in to the global AI crawler detection experiment — anonymously share bot access data (hashed domain + bot name)
• All telemetry is privacy-first: no content or personal data is collected or stored
• Integrated backend support for real-time participation tracking across thousands of sites
• Added admin banner linking to “How it works” with full experiment explanation

7.0.8

🛠 Improvements & Fixes
– File Status section now conditionally displays links (e.g. sitemap) only when relevant settings are enabled
– Prevents broken links when sitemap inclusion is not selected
– Minor UI consistency improvements

7.0.4

🛠️ Bug Fixes & Enhancements

• Added X-Robots-Tag: noindex header for llms.txt by default to discourage indexing by search engines.
• Introduced a checkbox setting to optionally disable the noindex header (not recommended).
• Cleaned up plugin description for clarity and removed outdated marketing language.
• Minor internal code improvements for consistency and maintainability.

7.0.3

🛠️ Bug Fixes & Improvements

• Added support for excluding llms.txt from sitemaps by default to prevent unintended indexing by search engines.
• Introduced an optional checkbox in settings to allow manual inclusion of llms.txt in the sitemap, with a clear SEO warning.
• On plugin deactivation, scheduled tasks related to llms.txt are now properly cleared and the file is removed from the site root to avoid stale exposure.

7.0.2

🛠️ Bug Fixes & Improvements

• Fixed an issue with detecting nofollow and noindex pages when using the Rank Math SEO plugin.
• The “Clear Caches” button in the Cache Management block now also clears the LLMS index table to ensure full site reindexing.

7.0.1

🛠️ Bug Fixes: JSON API Compatibility

• Resolved a critical issue that caused “Update failed. The response is not a valid JSON response.” when editing or publishing posts.
• The plugin now correctly avoids interfering with the WordPress REST API response during post save/update actions.
• Confirmed compatibility with block editor and custom post types — post creation and updates now work reliably.

7.0.0

🚀 Major Overhaul: LLMS.txt Generation & Performance

• Rebuilt the LLMS.txt generation system from the ground up.
• Introduced a dedicated llms_txt_cache database table to index and store structured data efficiently.
• Greatly reduced server load by avoiding direct filesystem writes and enabling smarter caching.
• File generation is now handled asynchronously via scheduled cron jobs to avoid UI slowdowns and improve scalability.
• Minimized the number of filesystem write operations during LLMS.txt generation, improving reliability and performance.
• Optimized for large-scale databases — smoother performance on sites with thousands of posts.

6.1.2

🔧 Improved: Internationalization (i18n) and Display Logic
• Resolved several i18n issues by improving translation coverage and context handling.
• Prevented empty post_content pages from being shown in detailed content view.
• Fixed incorrect tagline display by properly falling back to site description settings.

These updates improve localization accuracy, content visibility logic, and metadata consistency.

6.1.1

🧹 Removed: Global Cache Flush
• Eliminated wp_cache_flush() calls from content processing loop.
• Prevented unintended flushing of global object cache affecting other plugins.
• Reading operations no longer interfere with cache integrity.

6.1.0

✅ Fixed: Yoast SEO Variable Parsing
• Resolved issue where dynamic SEO content using Yoast variables (e.g., %%title%%, %%excerpt%%) wasn’t correctly replaced during content generation.
• Content processed through wpseo_replace_vars() to ensure accurate output.
• Improved compatibility with Yoast SEO templates, even when used outside the standard loop or template hierarchy.

6.0.8

✅ Fixed: Emoji and Code Cleanup in llms.txt
• Emojis and unnecessary symbols are now automatically removed from llms.txt.
• Code snippets are correctly sanitized for plain-text output.
• Improved table formatting: table data is now correctly aligned and rendered when exported.

6.0.7

🗑️ Removed ai.txt File Generation
• The automatic creation of the ai.txt file has been removed.
• This change reduces unnecessary file writes and simplifies plugin behavior.
• If needed, you can still manually create and manage ai.txt in your site’s root.

6.0.6

✅ Persistent Dismiss for Admin Notices
• Admin notices now store dismissal state using user meta — ensuring they remain hidden once closed.
• No more repeated reminders across dashboard pages — smoother and less intrusive user experience.

🛠 Minor Code Cleanup
• Removed outdated notice render logic.
• Improved JS handling for notice dismissals across multi-user environments.

6.0.5

⚡ Enhanced Performance & Clean Output
• Database query logic fully refactored for high-speed data selection, reducing generation time by up to 70% on large sites.
• Replaced WP_Query with direct SQL access — now works faster and avoids unnecessary overhead.
• Significantly improved scalability and lower memory usage during .txt file generation.

🧹 Special Character Cleanup
• Removed invisible and problematic characters (NBSP, BOM, ZWSP, etc.) from post content to ensure clean and readable output.
• Prevents display issues and improves downstream AI parsing of .txt files.

📈 Faster Regeneration
• Full .txt regeneration after content updates is now noticeably faster, especially on content-heavy websites.
• Better memory handling and reduced write cycles during generation.

6.0.4

🌐 Multisite Link Format Change
• For multisite installations, .txt files are now accessible via trailing slash URLs:
example.com/llms.txt/ and example.com/ai.txt/.
• This ensures compatibility across various server environments and mapped domain setups.
• For single-site setups, physical .txt files are still generated and stored in the root directory.

🔧 Yoast SEO Exclusion Fix
• Fixed an issue where pages marked with noindex or nofollow in Yoast SEO were not properly excluded from the .txt output.
• Now both _yoast_wpseo_meta-robots-noindex and _yoast_wpseo_meta-robots-nofollow are fully respected.

6.0.3

🐛 Fix: 404 Not Found on NGINX Servers
• Resolved an issue where .txt files (llms.txt, ai.txt) returned a 404 error on NGINX-based hosting environments.
• Rewrite rules are now properly flushed and executed without needing manual permalink updates.

💰 Product Price Output
• Product prices are now displayed as plain text values (e.g., 56.00 USD) instead of HTML when WooCommerce support is enabled.
• Ensures clean and readable output for price values in llms.txt.

🔄 Important: Clear Cache After Update
• After updating to this version, please clear your site’s cache (including server-side and CDN cache) to ensure .txt file endpoints load correctly.

6.0.2

🌐 Multisite Support (Beta)
• The plugin now supports WordPress Multisite environments.
• Each site now stores and serves its own llms.txt and ai.txt content independently.
• Scheduled cron tasks are isolated per site to ensure accurate and isolated updates.
• Multisite-aware hooks implemented in template_redirect to correctly output .txt files on mapped domains.

📢 Admin Notice for Feature Suggestions
• Added a dismissible admin notice on new plugin installs to gather feedback and feature suggestions from users.
• Links included to Twitter and WP.org support forum for easy community engagement.
• Let’s coordinate on Slack for the next release to align on roadmap input strategy.

6.0.1

🛠️ Breakdance Compatibility Fix
• Fixed an issue where enabling “instant” updates for the llms.txt file on post save caused a 500 error when using the latest version of Breakdance Builder.
• Now, immediate updates are handled safely without interrupting the save process.

⏱️ Improved Cron Handling
• Switched to using a single scheduled event (wp_schedule_single_event) instead of triggering file updates directly during shutdown.
• This ensures better compatibility and stability, especially on heavy or slower servers.

➕ WooCommerce SKU Support
• Added SKU output if the post type is a WooCommerce product.
• The llms.txt file now includes a line like – SKU: [Product SKU] when available.

6.0.0

🛠️ Page Creation Respecting Settings
• Fixed a logic inconsistency where the AI Sitemap page could still exist even if the related setting was disabled.
• The plugin now ensures that page creation behavior strictly follows the user’s configuration, both during normal operation and after plugin updates.

5.0.8

🛠️ Page Creation Respecting Settings
• Fixed a logic inconsistency where the AI Sitemap page could still exist even if the related setting was disabled.
• The plugin now ensures that page creation behavior strictly follows the user’s configuration, both during normal operation and after plugin updates.

5.0.7

✅ New: Optional AI Sitemap Page
• Added a new setting to disable automatic creation of the AI Sitemap page (ai-sitemap).
• Users can now manage whether this page is created on init via the plugin settings panel.

🧠 Performance & Memory Usage
• Improved memory handling during content generation, especially for large post meta datasets.
• Reduced risk of memory leaks when working with heavy content by loading posts via IDs and flushing cache dynamically.

📄 Content Generation Enhancements
• Fixed issues related to long post content generation in llms.txt.
• Added a new option to control the number of words included per post in the generated file (default: 250).
• Better content trimming and cleaning logic for consistent output.

🔧 Stability & Cleanup
• Optimized handling of unset variables and object cleanup to avoid bloating memory usage during cron or manual execution.

5.0.7

✅ Settings Consistency Improvements
• The plugin now respects the “Include AI Sitemap page” setting more reliably across updates.
• Internal checks ensure that unnecessary pages are not created or kept when the option is disabled.

🧠 Update-Aware Logic
• Introduced version-aware behavior to trigger settings-related adjustments only once after plugin updates.
• Ensures cleaner and more consistent state without manual intervention.

5.0.6

✅ New: Optional AI Sitemap Page
• Added a new setting to disable automatic creation of the AI Sitemap page (ai-sitemap).
• Users can now manage whether this page is created on init via the plugin settings panel.

🧠 Performance & Memory Usage
• Improved memory handling during content generation, especially for large post meta datasets.
• Reduced risk of memory leaks when working with heavy content by loading posts via IDs and flushing cache dynamically.

📄 Content Generation Enhancements
• Fixed issues related to long post content generation in llms.txt.
• Added a new option to control the number of words included per post in the generated file (default: 250).
• Better content trimming and cleaning logic for consistent output.

🔧 Stability & Cleanup
• Optimized handling of unset variables and object cleanup to avoid bloating memory usage during cron or manual execution.

🧪 Tested With
• ✅ WordPress 6.5
• ✅ Yoast SEO 22.x
• ✅ Rank Math & AIOSEO compatibility verified

5.0.5

✅ Fixed 404 Error for Sitemap XML
• Resolved an issue where the llms-sitemap.xml endpoint could return a 404 error despite being properly registered.
• Now correctly sets the HTTP 200 status header for valid sitemap requests using status_header(200), ensuring compatibility with WordPress routing and sitemap indexing.
• Improved query var handling and rewrite rule registration to guarantee sitemap accessibility.

🧠 Other Improvements
• Refactored request handling logic to ensure clean output with proper MIME type headers (application/xml).
• Further stability improvements for Yoast integration and dynamic sitemap indexing.

🧪 Tested with WordPress 6.5 and Yoast SEO 22.x

5.0.4

🛠 Improvements & Fixes

✅ Automatic AI Sitemap page generation
• The plugin now auto-creates a public /ai-sitemap page explaining what LLMs.txt is and how it improves AI visibility.
• The page is only created if it doesn’t already exist, and includes a dynamic link to your actual LLMs sitemap file.
• Content is filterable for advanced customization.

✅ Added support for ai.txt as an alternate LLM sitemap path
• The plugin now generates both /llms.txt and /ai.txt to maximize compatibility with future AI indexing standards.
• Both files are kept in sync and contain the same URL list.
• This improves discoverability by AI crawlers that look for ai.txt by default.

✅ Enhanced onboarding & reliability
• Improved logic to prevent duplicate pages.
• Cleaned up sitemap text formatting for better readability.
• Hook-friendly architecture for developers.

🚀 This update makes your site even more AI-ready by exposing your content through both standard and emerging LLM indexing formats — paving the way for visibility in tools like ChatGPT, Perplexity, and beyond.

5.0.3

🛠 Improvements & Fixes

✅ Added support for AIOSEO plugin
• Integrated detection of aioseo_posts table to improve filtering accuracy.
• Posts marked with robots_noindex or robots_nofollow in AIOSEO are now correctly excluded from output.
• Fallback-safe: the logic only applies if the AIOSEO table exists in the database.

✅ Enhanced compatibility with multiple SEO plugins
• Filtering logic now handles both Rank Math and AIOSEO data sources.
• Posts without SEO meta data are still properly included unless explicitly marked as noindex.

🚀 This update expands SEO plugin compatibility, ensuring more accurate output when working with AIOSEO-powered sites, and avoids accidental indexing of excluded content.

5.0.2

✅ Fixed: Removed invalid contributor username from readme.txt (only WordPress.org profiles are allowed)

5.0.1

🛠 Improvements & Fixes

✅ Fixed issue with empty LLMS-generated files
• Resolved a bug where LLMS-generated files could appear empty if the rank_math_robots meta key was missing from posts.
• The plugin now correctly includes posts even if the Rank Math plugin is not installed or the meta field is not present.
• Prevented false negatives by ensuring the query accounts for both existing and non-existent rank_math_robots fields.

✅ Improved meta query logic for noindex handling
• Extended the meta_query to handle posts without the rank_math_robots key gracefully.
• Ensured that only posts explicitly marked as noindex are excluded, while all others (including those with no SEO plugin data) are properly included.

✅ Improved file generation accuracy
• Ensured that LLMS-related output files contain valid, expected content — reducing cases where generated files were blank due to strict filtering.
• Improved fallback logic for posts without SEO meta data.

🚀 This update ensures that LLMS-generated files remain accurate and complete, even on sites that don’t use Rank Math, and improves overall reliability when filtering content by SEO metadata.

5.0.0

🛠 Improvements & Fixes

✅ Added support for excluding noindex pages from Rank Math SEO

• The plugin now properly detects and excludes pages that have the noindex directive set in Rank Math SEO.
• Ensured that pages with rank_math_robots meta key containing noindex will not be included in the LLMS-generated files.
• This enhancement improves search engine indexing by preventing noindex-marked pages from being processed.

✅ Extended support for Yoast SEO & Rank Math

• Now supports both Yoast SEO and Rank Math SEO for detecting noindex pages.
• Ensured that meta-robots-noindex in Yoast and rank_math_robots in Rank Math are respected.
• Improved meta query logic to exclude noindex-marked pages efficiently.

✅ Better performance & stability

• Optimized post query handling to reduce unnecessary database queries when filtering indexed content.
• Improved support for large-scale websites by ensuring efficient exclusion of noindex pages.

🚀 This update ensures full compatibility with both Yoast SEO and Rank Math SEO, improving site indexing and preventing unwanted pages from being processed.

4.0.9

🛠 Improvements & Fixes
✅ Fixed compatibility issue with Yoast SEO sitemap generation

Resolved a problem where the llms-sitemap.xml file was not properly integrated with Yoast SEO’s sitemap indexing.
Ensured that the custom llms-sitemap.xml is correctly registered and included in Yoast’s sitemap structure.
✅ Enhanced XML sitemap handling

Added support for llms-sitemap.xml in the Yoast SEO wpseo_sitemaps_index filter.
Improved automatic detection and registration of the custom sitemap to avoid conflicts.
✅ Better performance & stability

Optimized the sitemap generation process to ensure compatibility with WordPress rewrite rules.
Fixed potential issues where the custom sitemap URL might not be accessible due to incorrect rewrite rules.
🚀 This update ensures full compatibility between the LLMS sitemap and Yoast SEO, improving site indexing and search engine visibility.

4.0.8

🛠 Improvements & Fixes
✅ Fixed an issue where post revisions triggered the post deletion handler

The handle_post_deletion() function now ignores post revisions by checking the post type (post_type !== ‘revision’).
This prevents unnecessary updates when WordPress auto-saves revisions or when users delete revisions manually.
✅ Enhanced stability of the content update process

Ensured that the handle_post_deletion() function only executes when an actual post is deleted, reducing unnecessary file rewrites.
✅ General code improvements

Added additional validation to prevent errors when handling deleted posts.
Optimized database queries for better performance.
🚀 This update improves the plugin’s efficiency by reducing unnecessary processing and ensuring more stable content updates.

4.0.7

🛠 Improvements & Fixes
✅ Fixed rewrite rule conflicts:

Resolved an issue where the add_rewrite_rule() function was overriding WordPress post editing URLs.
Implemented a check to ensure the llms.txt rule does not overwrite existing permalink structures.
Used wp_rewrite_rules() to verify if the rule already exists before adding it.
✅ Enhanced rewrite rule handling:

Prevented duplicate rules from being registered.
Improved compatibility with custom post types and WordPress core URLs.
✅ Code Optimization & Performance:

Added additional security checks when handling requests.
Improved overall plugin stability and reliability.
🚀 This update ensures smoother permalink handling, better compatibility with WordPress core features, and improved stability for future updates.

4.0.6

• Updated Descriptions

4.0.5

• Adding an option to limit the maximum description length for post types when generating the llms.txt file – the default is 250 words.

4.0.4

• Considered the specifics for hosting providers wpengine.com and getflywheel.com.

4.0.3

• Resolved the issue with generation for websites with a large amount of content, as well as those with low memory capacity – tested with 128 MB.

4.0.2

• The data-saving logic in llms.txt has been reworked to reduce CPU and database load.

4.0.1

• The issue with displaying links to working files in llms.txt has been fixed.

4.0.0

• Fixed issue with cron and loading server’s CPU to 100%.

3.0.0

• Fixed character encoding issue in llms.txt on the Korean site.
• Resolved support-reported issues with llms-sitemap.xml.
• Updated the class cleaner file to the latest version.
• The newest version is now available on AgentVoice.com and is compatible with other shortcodes.

2.0.0

• Added support for custom post type ordering
• Improved cache management
• Enhanced SEO plugin integration
• Added manual file upload option

1.0.0

• Initial release