Jetpack Boost – Website Speed, Performance and Critical CSS icon

Jetpack Boost – Website Speed, Performance and Critical CSS

by Automattic

View on WordPress.org
85 Quality Score
Active Installs
24/30

At 200,000 active installs it is a well-known plugin, but it sits far behind caching staples like LiteSpeed Cache and WP-Optimize that clear one million installs or more.

Update Freshness
25/25

Updated within roughly a day of this assessment against the latest WordPress 7.0 and requiring PHP 7.2, the maintenance signal is strong and current.

User Rating
14/15

A 94 out of 100 from 605 reviewers is a strong endorsement, though the smaller review pool compared to multi-million-install rivals leaves some uncertainty in the average.

Support Health
8/15

Only 5 support threads with 3 resolved is a thin signal: either the plugin is stable enough that few people ask for help, or the user base funnels support through Jetpack's paid channels instead.

WP Compatibility
15/15

Tested against WordPress 7.0 and requiring 6.9 or higher means the plugin targets modern installs and will not run on legacy 5.x sites.

Scores higher than 96% of indexed plugins

About

Speed up your WordPress site with one-click optimizations like Page Cache, Critical CSS, and Image CDN to improve Core Web Vitals.

Active Installs 200k+
Rating ★★★★½ 4.7/5
Last Updated 2026-09-16 10:31am GMT
Requires WordPress 7.0+
Tested Up To 7.1.1
Requires PHP 7.4+

Security History

2 known vulnerabilities, all patched
2 Medium

Most recent: October 17, 2024

View details ▸

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What It Does

Jetpack Boost is a one-click performance plugin that adds page caching, generates critical CSS to speed up first paint, and serves images through Jetpack's CDN to improve Core Web Vitals scores. It targets non-technical site owners who want measurable speed gains without hand-tuning caching rules, minification, or asset loading. The plugin connects to a Jetpack account, though basic features can run without one.

Who It's For

This plugin suits small business sites, blogs, and portfolio pages on shared hosting where the owner lacks the skills or patience to configure caching layers manually. It is also a reasonable fit for sites already using other Jetpack modules, since it shares the same account and dashboard. Sites chasing Core Web Vitals green scores on mobile should get the most visible lift.

Who Should Skip It

Sites on LiteSpeed, Nginx with FastCGI, or hosts that already ship server-level page caching will see overlapping features and should stick with their host's tooling or LiteSpeed Cache. High-traffic ecommerce stores running WooCommerce on dedicated infrastructure generally need more granular cache purging, object caching, and edge rules than Jetpack Boost exposes.

The Bottom Line

Jetpack Boost delivers a real and measurable Core Web Vitals lift with almost no configuration, which justifies its 85.34 quality score for non-technical owners on generic hosting. Its overall ranking trails LiteSpeed Cache (94.84) and the parent Jetpack bundle (94.11) for good reason, so power users on tuned stacks will outgrow it quickly. For everyone else, it is a solid starting point with the caveat that deeper caching and edge control will eventually require a more specialized tool.

Tags

cache Critical CSS performance speed web vitals