Duplicate Killer – Prevent Duplicate… vs Trash Duplicate and 301 Redirect (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Duplicate Killer – Prevent Duplicate…
1.0K+ active installs
Free + Premium
Trash Duplicate and 301 Redirect
1.0K+ active installs
Free
Quick Verdict
As of April 2026, Duplicate Killer – Prevent Duplicate… has a higher user rating (5/5 from 3 reviews) and leads in active installations (1.0K+ vs 1.0K+). Both are free + premium WordPress plugins. Duplicate Killer – Prevent Duplicate… has accumulated 20K+ total downloads while Trash Duplicate and 301 Redirect has 108K+.
Detailed Comparison
| Metric | Duplicate Killer – Prevent Duplicate… | Trash Duplicate and 301 Redirect | |
|---|---|---|---|
| Rating | 5/5 | ◄ | 4.3/5 |
| Total Reviews | 3 | ► | 36 |
| Active Installs | 1.0K+ | 1.0K+ | |
| Total Downloads | 20K+ | ► | 108K+ |
| Support Resolution | 100% | N/A | |
| Last Updated | Today | ◄ | 7 months ago |
| First Released | 2022 | 2015 | |
| Age | 4 years | 11 years | |
| WP Requires | 5.2+ | 5.4+ | |
| PHP Requires | 5.6.20+ | 7.0+ | |
| Business Model | Free + Premium | Free | |
| Latest Version | 1.5.7 | 1.9.1 |
Rating Breakdown
Duplicate Killer – Prevent Duplicate…
Trash Duplicate and 301 Redirect
Download Trends
Over the past 30 days, Duplicate Killer – Prevent Duplicate… averaged approximately 78 daily downloads while Trash Duplicate and 301 Redirect averaged 8.
Recent Reviews
Duplicate Killer – Prevent Duplicate… Reviews
Great and straightforward plugin
Plugin is straightforward and the support is really responsive and helpful.
Fixed the issue with duplicate CF7 Emails!!
There seems to be an issue with CF7 where duplicate emails are sent out, and the forms render errors/loading spinners twice as well. I’ve done a good bit of research and looked everywhere, but had no
Works like a charm
This solves my duplicate entries headache – works as intended. Thanks!
Trash Duplicate and 301 Redirect Reviews
Resource-Hogging Plugin
I decided to remove this plugin as it consumes too many resources everytime I delete duplicate posts. In fact, my CPU usage reaches 100% while my memory usage reached around 70%.
Отлично
super наилучший плагин This topic was modified 4 years, 3 months ago by eger.
Auto delete required
<p>NEEDS an option to auto-delete (Choice of Trash or Permanently) duplicate posts.<br />Deleting hundreds a week is tiring.</p> <p>Also, add an option to delete BOTH duplicate versions (Oldest AND Ne
More Duplicates Worth Comparing
Top alternatives in the same category as Duplicate Killer – Prevent Duplicate… and Trash Duplicate and 301 Redirect
Get rid of duplicate posts and pages (any post type) on your blog with manual or automatic modes.
Frequently Asked Questions
Is Duplicate Killer – Prevent Duplicate… or Trash Duplicate and 301 Redirect more popular?
Which has better ratings — Duplicate Killer – Prevent Duplicate… or Trash Duplicate and 301 Redirect?
Are Duplicate Killer – Prevent Duplicate… and Trash Duplicate and 301 Redirect free?
Which plugin has better support — Duplicate Killer – Prevent Duplicate… or Trash Duplicate and 301 Redirect?
Which plugin is updated more frequently?
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.