Is your CodeIgniter 4 application running slower than expected? Performance optimization is critical for user experience, SEO rankings, and server costs — especially for small projects where every millisecond counts. This in-depth guide covers practical, battle-tested techniques to dramatically speed up your CI4 application: from full-page caching and query optimization to server-level compression and session tuning. We also compare CI4 head-to-head with Laravel and Symfony to help you decide which framework truly fits your next small project.
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