ProbonoSEO Basic
ProbonoSEO Basic
Description
ProbonoSEO is a comprehensive SEO plugin designed and developed specifically for Japanese websites. Built from scratch with Japanese text structures and content patterns in mind.
Why Choose ProbonoSEO
- Made in Japan – Developed by Japanese developers who understand Japanese SEO
- 70 Free Features – Comprehensive free feature set for essential SEO needs
- Japanese Optimized – Properly handles Japanese titles and meta descriptions
Free Features (70 features)
Title Optimization (7 features)
Basic title tag optimization, separator settings, site name append, title and H1 consistency check, category name append, duplicate title check, symbol and emoji warnings
Meta Description (7 features)
Basic meta description optimization, automatic content extraction, keyword extraction, summary generation, forbidden phrase check, character count check, duplicate check
Canonical (5 features)
Basic canonical settings, automatic canonical generation, trailing slash normalization, www normalization, parameter removal
OGP / Twitter (12 features)
Basic OGP output, OGP title settings, OGP description settings, automatic OGP image, default OGP image, Facebook App ID, LINE compatible OGP, thumbnail generation, image size detection, image alt check, Japanese URL support, basic Twitter card output
Schema / Breadcrumbs (16 features)
Basic schema output (Article, WebSite, WebPage, Organization, Person, BreadcrumbList, SearchAction, ImageObject), basic breadcrumb output (home, category, tag, post, page, archive, search, 404)
Internal Links / Speed (12 features)
Previous/next post links, same category links, child page links, related post links, tag relation logic, external link nofollow, category link format, lazy load images, lazy load iframes, CSS minification, JS minification, WordPress script optimization
Article SEO (6 features)
Heading structure check, image alt check, image count check, word count check, category match check, tag duplicate check
Site Diagnosis (3 features)
Title duplicate diagnosis, meta description duplicate diagnosis, speed diagnosis
Other (2 features)
Meta element cleanup, Google Search Console verification code
Pro Version
For advanced features including AI-powered SEO assistance, competitor analysis, rich snippets, and more, a separate Pro plugin is available at https://seo.prbn.org
Installation
- Go to Plugins > Add New > Upload Plugin and upload the ZIP file
- Activate the plugin from the Plugins list
- Open the ProbonoSEO menu in the admin dashboard
- Basic SEO features work automatically
Faq
Yes. ProbonoSEO is designed and optimized for Japanese websites. It handles Japanese text structures and follows SEO best practices for Japanese search engines.
Yes. ProbonoSEO is developed in Japan by Japanese developers.
Possible but not recommended. ProbonoSEO automatically detects other SEO plugins (Yoast, RankMath, etc.) and suppresses duplicate output to avoid conflicts.
Yes. It works with any standard WordPress theme. Highly customized themes may require minor adjustments.
The free version includes: WebSite, WebPage, Organization, Person, Article, BreadcrumbList, SearchAction, ImageObject
The free version does not collect data or connect to external services.
Reviews
Changelog
1.5.5
- Added manual tab to admin dashboard
1.5.4
- Fixed JavaScript localization variable name mismatch
- Improved Gutenberg sidebar stability
1.5.3
- SVN release fix
1.5.2
- Removed Pro license check code
- WordPress.org guideline compliance
1.5.1
- Stable tag alignment fix
- Text Domain correction for WordPress.org compliance
1.5.0
- WordPress.org Plugin Check full compliance
- PHPCS coding standards compliance
- Security-related code improvements
1.4.2
- WordPress 6.9 compatibility
- Plugin Check compliance (code quality improvements)
1.0.0
- Initial release
- 70 free features for Japanese SEO optimization