Slim SEO – A Fast & Automated SEO… vs Unique Headers (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Slim SEO – A Fast & Automated SEO…
60K+ active installs
Free
Quick Verdict
As of April 2026, Unique Headers has a higher user rating (4.9/5 from 160 reviews) while Slim SEO – A Fast & Automated SEO… leads in active installations (60K+ vs 20K+). Both are free WordPress plugins. Slim SEO – A Fast & Automated SEO… has accumulated 1.8M+ total downloads while Unique Headers has 414K+.
Detailed Comparison
| Metric | Slim SEO – A Fast & Automated SEO… | Unique Headers | |
|---|---|---|---|
| Rating | 4.7/5 | ► | 4.9/5 |
| Total Reviews | 134 | ► | 160 |
| Active Installs | 60K+ | ◄ | 20K+ |
| Total Downloads | 1.8M+ | ◄ | 414K+ |
| Support Resolution | 70% | N/A | |
| Last Updated | 5 days ago | ◄ | 2 years ago |
| First Released | 2018 | 2012 | |
| Age | 8 years | 14 years | |
| WP Requires | 5.9+ | 4.3+ | |
| PHP Requires | 7.4+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 4.9.4 | 1.9.3 |
Rating Breakdown
Slim SEO – A Fast & Automated SEO…
Unique Headers
Download Trends
Over the past 30 days, Slim SEO – A Fast & Automated SEO… averaged approximately 3,152 daily downloads while Unique Headers averaged 39.
Recent Reviews
Slim SEO – A Fast & Automated SEO… Reviews
Simple and works great!
No issues so far, working as expected! This topic was modified 4 days, 13 hours ago by cryptoli. This topic was modified 4 days, 13 hours ago by cryptoli. This topic was modified 4
Avoid this!
Hey there, apologies but I have to provide a negative feedback. I think this plugin and the possibly the small company behind are not worth paying for at all. I watched some SlimSEO videos and got
Fantastic plugin
I did a thorough comparison of SEO plugins and Slim SEO came out on top:– Easy to use GIU– Very well documented– No hard upsell windows unlike some other SEO plugins– Extensive range of features– I th
Unique Headers Reviews
Simply Awesome
Super easy to use. Thank you for developing this.
works perfectly
works perfectly. the shortcodes could be better
Great job!
thx
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Frequently Asked Questions
Is Slim SEO – A Fast & Automated SEO… or Unique Headers more popular?
Which has better ratings — Slim SEO – A Fast & Automated SEO… or Unique Headers?
Are Slim SEO – A Fast & Automated SEO… and Unique Headers free?
Which plugin has better support — Slim SEO – A Fast & Automated SEO… or Unique Headers?
Which plugin is updated more frequently?
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.