Async JavaScript vs Seraphinite Accelerator (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Seraphinite Accelerator
60K+ active installs
Free
Quick Verdict
As of April 2026, Seraphinite Accelerator has a higher user rating (4.8/5 from 473 reviews) while Async JavaScript leads in active installations (80K+ vs 60K+). Both are free WordPress plugins. Async JavaScript has accumulated 2.0M+ total downloads while Seraphinite Accelerator has 822K+.
Detailed Comparison
| Metric | Async JavaScript | Seraphinite Accelerator | |
|---|---|---|---|
| Rating | 4.7/5 | ► | 4.8/5 |
| Total Reviews | 102 | ► | 473 |
| Active Installs | 80K+ | ◄ | 60K+ |
| Total Downloads | 2.0M+ | ◄ | 822K+ |
| Support Resolution | N/A | 0% | |
| Last Updated | 2 years ago | ► | Yesterday |
| First Released | 2014 | 2021 | |
| Age | 12 years | 5 years | |
| WP Requires | 4.6+ | 4.5+ | |
| PHP Requires | false+ | 7.1+ | |
| Business Model | Free | Free | |
| Latest Version | 2.21.08.31 | 2.29.2 |
Rating Breakdown
Async JavaScript
Seraphinite Accelerator
Download Trends
Over the past 30 days, Async JavaScript averaged approximately 92 daily downloads while Seraphinite Accelerator averaged 770.
Recent Reviews
Async JavaScript Reviews
Great plugin
A truly great plugin, does exactly what is describing. No extra stuff, great implementation and great support! Thank you!
Great plugin and support
I’ve been using this plugin for several months after it was suggested to me by a colleague. The setup was simple, but also gives advanced options that I needed, such as excluding certain scripts. I ha
Performance promise delivered
Exemplary support, and the plugin does exactly what it promises. This is unfortunately not a given in a time when many other plugins try to cover more and more tasks and end up in dangerous waters. As
Seraphinite Accelerator Reviews
Muhteşem bir eklenti
Eklentiyi indirdim kurdum. SONUÇ: Performans: % 99 Erişebilirlik: %99 En iyi uygulamalar %100 Seo: %100 çok heyacanlıyım. ilk defa bütün değerler yeşil oldu. Eklentiyi kim yaptıysa son
500 Merchant
I have encountered a problem: Google Merchant Center has started rejecting my products, supposedly due to a 500 error, even though my server is very powerful.
Excellent Customer Support and Noticable Speed
We discovered the Serpentine Accelerator plugin online and were genuinely impressed by the quality of their support. Even while using the free version, the support team was extremely helpful and guide
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Frequently Asked Questions
Is Async JavaScript or Seraphinite Accelerator more popular?
Which has better ratings — Async JavaScript or Seraphinite Accelerator?
Are Async JavaScript and Seraphinite Accelerator free?
Which plugin has better support — Async JavaScript or Seraphinite Accelerator?
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Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.