DELUCKS SEO
The only SEO plugin from Germany for holistic search engine optimization with ChatGPT and Google APIs.
Use with caution
DELUCKS SEO works, but test it on a staging site before relying on it in 2026. It runs on 300+ sites, is rated 4.9/5 and was last updated 6 months ago, and scores 60/100 on our health check.
- Momentum — downloads up 95.8% vs the previous 30 days
- Small user base (300+ active installs)
How does it stack up?
Side-by-side on installs, updates, ratings & supportDaily downloads
Download spikes usually follow a new release — each site that auto-updates counts as a download.
Rankings
Where DELUCKS SEO stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| Content analysis | #28 |
| Readability | #29 |
| schema | >100 |
| search engine optimization | #56 |
| seo | #54 |
Version adoption
Share of active sites per release.
Rating breakdown
★★★★★★★★★★ 4.9 from 17 reviews
About DELUCKS SEO
From the official readme · v2.7.2Description
WordPress SEO Plugin made in Germany
Optimize your website for Google, Bing & Co in no time: Through the quick optimization mode of DELUCKS SEO you can improve your metadata, extend your content with structured data and relevant keywords not only while editing posts, pages etc., but also directly from the overviews of WordPress.
Extensive functions of DELUCKS SEO
- Metadata optimization for better previews
- Sitemaps for easier indexing
- Insert statistics and import SISTRIX rankings
- Canonical URLs with SSL support
- Breadcrumbs for better navigation and mobile SEO
- Premium: Automatically invalidate outbound links
- Premium: Microdata Configurator for rich snippets
- Premium: Social sharing buttons, CCPA and GDPR compliant
- Premium: WDF*IDF text analysis
Setup Wizard
After installation, our setup wizard will guide you through the most important SEO settings: Authorize your project for Google Search Console and Bing Webmaster Tools, activate additional features through the premium version and/or the professional mode if desired.
Import and export function
Import your keyword set with metadata easily via CSV file. If you previously worked with other WordPress SEO plugins like Yoast, wpSEO or All in One SEO Pack, you can import their metadata with a few clicks. Export your settings to other projects.
Suitable for all editors
Use our SEO plugin with all content editors: Elementor, WP Bakery Page Builder and many more. Our tool works best with the official WordPress block editor, for which there are dedicated SEO blocks and which provides the best loading times.
Multilingual optimization
Add locally relevant keywords to your translations and define individual language settings: For example, the composition of automatic metadata and breadcrumbs can be set differently in English than in French, Spanish or German. We recommend WPML.
WooCommerce & Taxonomies
Set individual rules for automatic metadata optimization and indexing of your products, categories and keywords. And if you don’t want your tags or author profiles to be indexed in Google & Co., you can exclude them with one click.
★★★★★ Performant, cleanly developed, excellently designed and easy to use (David, FastWP)
Perfect for PageSpeed optimization
DELUCKS SEO is PHP8 ready. Activate only those modules you need and combine our WordPress SEO plugin with WP Rocket:
- Meta data: Optimize previews in search engines with keywords and create rules for composing meta titles. Get keyword suggestions via autosuggest for this purpose.
- Sitemaps: Create automatically updated blueprints to help search engines index your site: Classic, Image, Video and News sitemaps.
- Statistics: Integrate tracking codes of your web statistics, use automatic event tracking for Google Analytics or activate our SISTRIX API to display your rankings in WordPress.
- URLs: Use Canonical tags and enforce SSL encryption for your website, automatically clean your new URLs from irrelevant stopwords to get found faster.
- Breadcrumbs: Add navigation paths to your website via widget or shortcode to show users and search engines their position within your content and for mobile SEO.
- Links (Premium): Automatically devalue outbound links and have them open in a new browser tab to keep SEO power within your site and lose fewer users.
- Microdata (Premium): Use our Structured Data configurator to make videos, FAQs, recipes, events, jobs etc. visible in search results in the form of Rich Snippets.
- Ratings (Premium): Add our ratings feature to WordPress’ commenting function to stand out in Google search results with stars.
- Social sharing (Premium): Configure CCPA and GDPR compliant plus performance-optimized sharing buttons to make your content easier to share on social media. Customize the previews in social media.
- Text optimization (Premium): Get information on the number of headlines, text length and a checklist of terms to write your texts more relevant by comparing your competitors.
Questions, premium version or support needed? Get all information about our WordPress SEO plugin.
Installation
- Upload unzipped folder to the
/wp-content/plugins/directory - Activate the plugin through the ‘Plugins’ menu in WordPress
- It is possible that you must manually reactivate the plugin after upgrading from free to professional version!
- we recommend PHP 5.4 or higher
- display_errors should always be disabled in live systems. Debug output can destroy our plugin functionality
- enable curl
Changelog
2.7.2
- Updated plugin version from 2.7.1 to 2.7.2
- Added CSRF nonce protection for modal AJAX requests (
dpc_modal_show,dpc_modal_save) - Secured import/export functionality with nonces (
dpc_importexport,dpc_dashboard_wizard_restore,dpc_dashboard_import_metadata_csv) - Protected all admin AJAX endpoints with capability checks (
current_user_can('manage_options')) - Added nonce verification in settings restoration and CSV import
- File upload operations now check user permissions before processing
- Fixed early exit condition in
basic_breadcrumbsmodule constructor - Corrected archive prefix default (changed from empty to “Archive for”)
- Fixed multiple
isset()redundancy issues in breadcrumb output - Adjusted indentation for code consistency
- Fixed timeout value: changed from 15000ms (15s) to 120s for OpenAI API requests
- Changed default AI model from
dpc_gpt_modaltodpc_metadata_ai - Fixed settings initialization to use correct keys for AI models
- Added proper fallback for missing AI model configuration
- Updated AI prompt placeholders from
getWebsiteLanguageto{{websiteLanguage}}format - Added early exit condition for disabled statistics module
- Fixed multiple
isset()checks for safe property access - Improved error handling for cURL timeouts with duplicate deduplication
- Added SSL verification (
sslverify => true) to Google Search Console API calls - Extended timeout for API requests to 15 seconds
- Added early exit condition for disabled sitemaps module
- Fixed multiple
isset()checks for safe property access - Corrected conditional logic for checking post type statuses
- Added early exit condition for disabled URLs module
- Updated settings.xml with GPT-5 model variants (gpt-5, gpt-5.1, gpt-5.2, gpt-5-pro, gpt-5-mini, etc.)
- Added separate AI model selectors for metadata and content editor
- Updated AI prompt defaults to include content placeholder
- Added robust OpenAI API error handling with friendly user-facing messages
- Implemented GPT-5 family endpoint support (
/v1/responsesfor GPT-5,/v1/chat/completionsfor legacy) - Added error mapping for cURL codes (28, 35, 51, 52, 60, 77, etc.)
- Improved API request with
max_completion_tokensfor o1 models - Enhanced prompt template system with
{{}}placeholder support - Enhanced file upload validation with required field support
- Improved user feedback on upload success/failure
- Fixed JavaScript file reader to use
readAsText()instead ofreadAsDataURL()for JSON/CSV files - Added support for Elementor widget integration
- Added widget file validation and error handling
- Improved backward compatibility with existing breadcrumb configurations
- Added professional author module with co-authors support
- Implemented custom taxonomy for co-authors (
dpc_coauthors) - Added Gutenberg block for author box display (
dpc/author-box) - Multiple layout options: image-left, image-top, image-right
- Created admin meta box for co-author selection
- Support for webseide theme integration
- Social links display for authors
- Reorganized
__construct()method to defer non-critical initialization tohook_init - Moved hook registration to appropriate admin_init and init actions
- Improved separation of concerns between early and late initialization
- Removed
shouldLoadScripts()static method calls from throughout codebase (was performing unnecessary script loading checks) - Removed redundant file checks that were preventing legitimate functionality
- Updated file permissions on multiple
.js,.css,.php,.json,.xmlfiles to executable (755) - Changed
.dpcfile format from base64-encoded to plain JSON for better compatibility - Maintained backward compatibility with legacy base64-encoded files
- Updated import/export to handle both formats transparently
2.7.1
- Improved PHP 8.1–8.4 compatibility
- Fixed deprecated functions and dynamic property warnings
- Structured data output now suppressed if empty
2.7.0
- New Breadcrumb & Sharing buttons for Block Editor and Elementor
- Bugfix of language settings
- Added support for metadata translation in WPML
- Code cleanup and stability improved
2.6.0
- Ensure compatibility with HPOS for microdata product function
- Correct typo in
$companyLabelcausing frontend error - Fix XSS in
dpc_analytics_opt_outshortcode vialink_textattribute - Disable WooCommerce Product Schema based on settings
- Hide jobs post type in microdata module
- Move company fields from modal to global microdata settings
- Correct JSON-LD microdata validation issues
- Replace
{{getFocusKeyword}}with{{focusKeyword}}in AI prompt templates - Fix UTF-8 encoding in JSON-LD and prevent double-escaping in database saves
- Replace PHP 8.0+ match expression with array map for PHP 7 compatibility
- Handle
WP_Errorand empty terms in job location schema - Add safe translation methods for
__(),_x(),esc_html__(), andesc_html_e() - Adjust
inithook priorities for post type and taxonomy registration - Fix PHP warnings when accessing category properties on null
- Fix warning for undefined array key in
validate_multi_checkbox - Fix job location data not displaying due to incorrect taxonomy name
- Fix PHP 8 array offset error in microdata module
- Rewrite
getJsonLdString()function to improve schema generation - Add missing ‘Place of Work’ taxonomy settings to job post editor
- Use post date as fallback when
hiring_dateis missing in schema - Add itemValue support for JobPosting schema title mapping
- Revert to default date input to fix broken form submissions
- Fix unauthorized access vulnerability in the
dpc_dashboard_wizard_install_masterAJAX action.
2.5.9
- Ensure Elementor Hooks are Loaded Only in the Elementor Editor
- Resolve PHP 8.2 Deprecation in Basic > Metadata Module
- Fix JSON Schema Trailing Comma and Ensure Consistent Image Structure
- Replace Custom Query Variable with sitemap_index for /sitemap.xml
2.5.8
- Fixed: Syntax error on PHP versions below 8.0
For developers
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Best DELUCKS SEO alternatives
All Content analysis plugins →FAQ
DELUCKS SEO: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Sep 30, 2026
Is DELUCKS SEO free?
Yes. DELUCKS SEO is free to download and use from the official WordPress.org plugin directory.
Is DELUCKS SEO safe to use in 2026?
DELUCKS SEO works, but test it on a staging site before relying on it in 2026. It runs on 300+ sites, is rated 4.9/5 and was last updated 6 months ago, and scores 60/100 on our health check.
How many websites use DELUCKS SEO?
DELUCKS SEO is active on 300+ WordPress websites and has been downloaded 47,540 times since it launched in April 2015. It was downloaded 748 times in the last 30 days.
Does DELUCKS SEO work with WordPress 7.1?
DELUCKS SEO is officially tested up to WordPress 7.0.6, while the latest release is 7.1.2. It may still work, but try it on a staging site first.
What PHP version does DELUCKS SEO need?
DELUCKS SEO requires PHP 7.0 or higher. Most hosts run PHP 8.x today, so it works on any modern WordPress hosting.
When was DELUCKS SEO last updated?
The latest version, 2.7.2, was released on April 1, 2026 (6 months ago).
Who makes DELUCKS SEO?
DELUCKS SEO is developed and maintained by DELUCKS.
What are the best alternatives to DELUCKS SEO?
The most popular alternatives to DELUCKS SEO are Yoast SEO (10M+ installs), BoldGrid Easy SEO (40K+ installs) and Semrush SEO Writing Assista… (9K+ installs).
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