Timi Makinde

Keep your WordPress content evergreen with Auto Update Post Date – a simple WP plugin designed to effortlessly update your posts, boost SEO, and maintain credibility with your audience. Bid farewell to outdated information as Auto Update Post Date takes care of the heavy lifting for you! The plugin is completely FREE and open source so feel free to leave feature requests or contribute on <a href="https://github.com/git-temak/auto-update-post-date" rel="nofollow ugc">GitHub</a>.
<h4>Key Features:</h4>
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Scheduled Auto-Updates: 
Set it and forget it! Auto Update Post Date allows you to schedule automatic updates for your posts at predefined intervals. Choose daily, weekly, or custom intervals to keep your content relevant without any manual effort.
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SEO-Friendly Refresh: 
Stay ahead in search engine rankings by signaling freshness. Auto Update Post Date ensures search engines recognize your content as current, potentially boosting your visibility and organic traffic.
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Customizable Refresh Rules: 
Tailor the plugin to fit your content strategy. Define rules based on post categories, tags, or specific criteria to control which posts receive automatic updates. You have the flexibility to prioritize the most critical content.
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Preserve Original Publication Date: 
Maintain transparency with your audience by preserving the original publication date while updating the post behind the scenes. This feature helps build trust with your readers.
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Honest Content Refresh: 
Build credibility and trust with your audience by periodically updating your content. Auto Update Post Date encourages users to add value and relevancy to their posts over time, ensuring a trustworthy and reliable source of information.
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User-Friendly Interface: 
The plugin settings page makes it easy to set up, manage, and monitor your auto-update settings. Even if you’re new to WordPress plugins, Auto Update Post Date simplifies the process for you.
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Supports Custom Post Types: 
Have custom post types on your site? Simply select your desired post type and what date you would like to update.
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</ol>
<h4>Dependencies:</h4>
This plugin uses a jQuery Date and Time Picker from <a href="https://xdsoft.net/jqplugins/datetimepicker/" rel="nofollow ugc">xdsoft</a>, full uncompressed version of the minified JS and CSS can be found on the <a href="https://github.com/xdan/datetimepicker/tree/master" rel="nofollow ugc">GitHub Repo</a>.

Auto Update Post Date

Keep your WordPress content evergreen with Auto Update Post Date – a FREE simple WP plugin designed to effortlessly update your posts and boost SEO

J0SiE

Created to help those people who don’t like to edit code in template files (or are too lazy to do that). 
Just activate the plugin and it will automatically show the_excerpts in your homepage, archives and search results. 
It tries to display your custom excerpt text and if it doesn’t find it it will show an automatically generated excerpt. 
You can also define excerpt length, custom read more link and attach a thumbnail.

Auto Excerpt everywhere

Thanks to author for creating this plugin. 
It's works out of box. And working fine at WordPress Version 4.6.1


Works out of the box on WP Version 4.6.1

The plugin automatically displays excerpts instead of full post contents in your blog. Custom excerpts and generated excerpts supported.

Auto Update Post Date vs Auto Excerpt everywhere