Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN

by WPMU DEV - Your All-in-One WordPress Platform

83 Quality Score

Active Installs

22/30

With 70,000 active installs, it sits in the mid-tier for performance plugins, far behind category leaders like LiteSpeed Cache but ahead of niche alternatives such as Super Page Cache.

Update Freshness

25/25

The plugin was updated within days of this assessment and explicitly supports WordPress 7.0, indicating very active and current development.

User Rating

14/15

A 94 out of 100 score across nearly 1,500 ratings reflects strong, broad-based user satisfaction, though the sample is modest compared to multi-million-install competitors.

Support Health

8/15

Support thread data shows zero listed threads and zero resolved, which is a meaningful concern even if many users rely on documentation rather than the forum.

WP Compatibility

15/15

It requires PHP 7.4 and WordPress 6.4 or newer, which covers virtually all currently maintained WordPress environments and earns a perfect compatibility score.

Scores higher than 92% of indexed plugins

About

Optimize PageSpeed Performance & Core Web Vitals, Advanced Cache, Minify CSS & JavaScript, Inline Critical CSS, Defer CSS & JS, Smush & Lazy Load, CDN

Active Installs 70k+

Rating ★★★★½ 4.7/5

Last Updated 2026-09-01 10:16am GMT

Requires WordPress 6.4+

Tested Up To 7.0.4

Requires PHP 7.4+

Security History

8 known vulnerabilities, all patched

1 Critical 2 High 5 Medium

Most recent: September 4, 2026

View details ▸

Hummingbird – Speed Optimization, Caching, Minify, Compress & CDN <= 3.21.0 - Unauthenticated Remote Code Execution via Cookie Name in Page Cache Debug Log Critical

September 4, 2026 Patched in ["3.21.1"] CVE-2026-83627

Hummingbird Performance – Cache & Page Speed Optimization for Core Web Vitals | Critical CSS | Minify CSS | Defer CSS Javascript | CDN < 3.21.2 - Authenticated (Administrator+) Remote Code Execution High

September 4, 2026 Patched in ["3.21.2"] CVE-2026-19224

Hummingbird <= 3.18.0 - Unauthenticated Sensitive Information Exposure via Log File High

December 17, 2025 Patched in ["3.18.1"] CVE-2025-14437

Hummingbird <= 3.9.1 - Cross-Site Request Forgery Medium

August 7, 2024 Patched in ["3.9.2"] CVE-2024-43117

Hummingbird <= 3.9.1 - Missing Authorization Medium

August 7, 2024 Patched in ["3.9.2"] CVE-2024-43118

Hummingbird <= 3.7.3 - Missing Authorization Medium

April 22, 2024 Patched in ["3.7.4"] CVE-2024-32792

Hummingbird <= 3.4.1 - Unauthenticated Path Traversal Medium

March 20, 2023 Patched in ["3.4.2"] CVE-2023-1478

Hummingbird <= 3.3.1 - Admin+ Stored Cross-Site Scripting Medium

March 23, 2022 Patched in ["3.3.2"] CVE-2022-0994

What It Does

Hummingbird Performance is a suite of front-end optimization tools that combines page caching, CSS and JavaScript minification, critical CSS generation, and asset deferring to improve Core Web Vitals scores. It also bundles image optimization (Smush) and lazy loading, plus an integrated CDN option, making it a one-stop shop for performance tuning without installing separate plugins.

Who It's For

It is best suited to small-to-medium WordPress sites and agencies that want a single dashboard to handle caching, asset optimization, and image compression rather than juggling three or four separate plugins. The broad feature set makes it especially attractive to digital marketing teams and WooCommerce stores where Core Web Vitals directly affect conversion rates and ad quality scores.

Who Should Skip It

Sites already running a hosting-level cache such as LiteSpeed, Kinsta, or WP Engine should skip this plugin, since the server cache will conflict and the duplicate tooling adds complexity without meaningful gains. Users comfortable assembling individual plugins like WP Super Cache, Autoptimize, and Smush separately may find Hummingbird's bundled approach limiting.

The Bottom Line

Hummingbird Performance delivers a well-rounded toolkit at a quality score of 83.3 out of 100 and is a sensible choice for users who want caching, minification, and image optimization under one roof. Its main weaknesses are the lack of visible support activity and a smaller install base than top competitors, so buyers should be comfortable relying on documentation and self-troubleshooting. For hosts that already provide caching or for sites that need surgical control, dedicated alternatives will serve better.

Related Plugins

LiteSpeed Cache 95/100

Pick LiteSpeed Cache instead if your host runs the LiteSpeed web server, as its server-level cache outperforms any application-layer solution including Hummingbird.

Jetpack 94/100

Choose Jetpack when you also want security, backups, and analytics bundled with performance features in one subscription.

Redis Object Cache 92/100

Pick Redis Object Cache if your bottleneck is database-driven dynamic pages such as WooCommerce carts or membership dashboards, where object caching matters more than front-end minification.

Super Page Cache 90/100

Choose Super Page Cache when you already use Cloudflare and want edge-level caching without touching server-side files.

WP-Optimize 89/100

Pick WP-Optimize if database cleanup and image compression matter more to you than critical CSS or advanced asset deferral.