This plugin make it easy to change block's search keywords.
Enables the previous "classic" editor and the old-style Edit Post screen with TinyMCE, Meta Boxes, etc. Supports all plugins that extend this screen.
Improve search ranking by using WordPress On-Page SEO plugin.
A plugin that allows you to define keyword/link pairs. The keywords are automatically linked in each of your posts.
WP AutoKeyword automatically suggests and generate keywords for all of your published post and add them automatically into your blog meta tags.
To assign meta description and keywords to each post of all post types to make wordpress website as search engine friendly.
强大、多功能的中文seo插件，有效提高网站排名和流量。
Really Simple "Keyword to Link" Converter. Automatically create links for specific words in your content
ExpressCurate plugin is a content curation tool for WordPress. It enables you to create and publish high quality content within minutes.
G Meta Keywords (GMK) is a simple but useful WordPress add-on that allows you to easily add the keyword insertion field removed from many Search Engine Optimization (SEO) enhancements for WordPress to all your content again.
Easily and safely add your custom meta tags to the WordPress website's head section. This is a must have tool for authors and website's owners.
Google Rank Checker provides the estimated Google position for a keyword and corresponding URL.
Harmony Tester is for highlighting and replacing keywords (for mainland China). 和谐测试器是一个用来高亮和替换敏感词汇的插件
The Keyword Counter & Density Calculator plugin calculates how many times and how commonly each keyword is used in a post or a page.
Suggests SEO content and keywords for your blog instantly.
Keyword Filter Plugin Replace the sensitive keyword with specific keyword in the post content.
The Kaitora Affiliate system is a plugin that finds and replaces user specified keywords, and masks the URL with what appears to be an internal link.
Allows you to have one landing page, with different versions depending on the keyword -- so you can show each visitor a customized version of it!