Post Repeater plugin is a boon when you need to repeat a single post every year/month/week of the day. You may achieve this functionality by editing timestamp manually, but using this plugin you can automate this task. This plugin is very useful when you are blogging about weekly/monthly/yearly/historical events, famous persons etc. All the posts which needs to be repeated are listed on the top of your blog posts for that day.

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WordPress Post Repeater, Plugin, WordPress, WordPress Plugin