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The Keyword keyword plugin replace the sensitive keyword in the post content. Keyword filter plugin works by creating a WordPress filter for the post contents. When the post get displayed, WordPress gives the post content to the keyword filter plugin and the plugin returns some modified content. Replace the sensitive keyword with specific keyword.
The WordPress keyword plugin support Far East Characters (such as Chinese Characters). You may also create your own keyword filter lists as needed.

Keyword Filter

Keyword Filter Plugin Replace the sensitive keyword with specific keyword in the post content.

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KeyWord Collector is a WordPress plugin which allows to store keywords obtains via SISTRIX API (API key necessary) for a single post, page or custom post type. It allows to output the collected keywords with the help of the shortcode ([keywords_collector]) and/or store those keywords as post terms.
Major features in KeyWord Collector include:
<ul>
<li>Shortcode autoinsert into each post/page right after the content</li>
<li>Ability to edit the keywords wrapper HTML</li>
<li>Auto-add the keywords to post or page tags</li>
<li>Set the number of stored and displayed keywords</li>
</ul>
<h3>Settings Description</h3>
Here’s the detailed description of the plugin settings:
<ul>
<li>HTML before the list – HTML code which is inserted before the whole keywords list.</li>
<li>HTML after the list – HTML code which is inserted after the whole keywords list.</li>
<li>HTML before each item – HTML code which is inserted before each keyword.</li>
<li>HTML after each items – HTML code which is inserted after each keyword.</li>
<li>Item count – the amount of keywords which will be displayed. </li>
<li>SISTRIX API Key – API key (can be received on the site https://www.sistrix.com/).</li>
<li>Update interval (days) – interval for automatic keywords update.</li>
<li>Delete interval (days) – interval which controls how many days the keywords are kept before deletion. Prevents API usage for URLs which don’t use shortcode.</li>
<li>Country shortcode – the country code (can be received on the site https://www.sistrix.com/).</li>
<li>Auto Insert – the shortcode autoinsert right after content of posts/pages.</li>
<li>Add keywords to post/page tags – the keywords autoinsert the keywords as post/page tags which means you get an ever growing list of tags for posts/pages.</li>
</ul>

KeyWord Collector

Collects keywords for single URLs via SISTRIX API (API key needed) and displays them in a flexible manner on the very same single URL

Keyword Filter vs KeyWord Collector