LiteSpeed Cache vs Keyword Research Tool (2026)
Detailed side-by-side comparison of two WordPress plugins, based on real-time data from WordPress.org.
Quick Verdict
As of April 2026, Keyword Research Tool has a higher user rating (4.9/5 from 7 reviews) while LiteSpeed Cache leads in active installations (7.0M+ vs 800). Both are free WordPress plugins. LiteSpeed Cache has accumulated 129M+ total downloads while Keyword Research Tool has 33K+.
Detailed Comparison
| Metric | LiteSpeed Cache | Keyword Research Tool | |
|---|---|---|---|
| Rating | 4.8/5 | ► | 4.9/5 |
| Total Reviews | 2,726 | ◄ | 7 |
| Active Installs | 7.0M+ | ◄ | 800 |
| Total Downloads | 129M+ | ◄ | 33K+ |
| Support Resolution | 70% | N/A | |
| Last Updated | 4 days ago | ◄ | 4 months ago |
| First Released | 2016 | 2019 | |
| Age | 10 years | 7 years | |
| WP Requires | 5.3+ | 3.0.1+ | |
| PHP Requires | 7.2+ | false+ | |
| Business Model | Free | Free | |
| Latest Version | 7.8.1 | 1.8.4 |
Rating Breakdown
LiteSpeed Cache
Keyword Research Tool
Download Trends
Recent Reviews
LiteSpeed Cache Reviews
Fast & Smooth
Site speed improved a lot after using this. Easy setup n great caching options. Pages load way faster now. really happy with it tbh 👍
BEST CACHE PLUGIN – enterprise performance, features, reliability
I’ve been using LiteSpeed server for over 10 years, LiteSpeed cache for nearly 10 years (almost since the beginning). They keep developing and innovating, nothing else even comes close.
Works great with Hostinger
Works great with Hostinger. I’ve had to toy with a few of the settings to get the optimized results I was looking for but that was easy to do.
Keyword Research Tool Reviews
No reviews yet
More Plugins Worth Comparing
Top alternatives in the same category as LiteSpeed Cache and Keyword Research Tool
Improve your SEO with real-time feedback, schema, and clear guidance. Upgrade for AI tools, Google Docs integration, and 24/7 support, no hidden fees.
Rank Math SEO is the best WordPress SEO plugin with the features of many SEO and AI SEO tools in a single package to help multiply your SEO traffic.
AIOSEO is the most powerful WordPress SEO plugin. Improve SEO rankings and traffic with comprehensive SEO tools and smart AI SEO optimizations!
Generate multiple types of sitemaps to improve SEO and get your website indexed quickly.
SpeedyCache is a WordPress cache plugin that helps you improve performance of your WordPress site by caching, minifying, and compressing your website.
SiteSEO is an easy, fast and powerful SEO plugin for WordPress. Unlock your Website's potential and Maximize your online visibility with our SiteSEO!
Frequently Asked Questions
Is LiteSpeed Cache or Keyword Research Tool more popular?
Which has better ratings — LiteSpeed Cache or Keyword Research Tool?
Are LiteSpeed Cache and Keyword Research Tool free?
Which plugin has better support — LiteSpeed Cache or Keyword Research Tool?
Which plugin is updated more frequently?
Plugin data sourced from WordPress.org. Comparison and analysis by PluginSift.