# Jetpack Boost – Website Speed, Performance and Critical CSS

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

Source: https://todaywp.com (Today WP, free and read-only). Refreshed 2026-11-13 09:31 UTC.

## Facts (WordPress.org)

- Slug: `jetpack-boost`
- Author: Automattic
- Version: 4.8.2
- Active installs: 200,000+
- Last update: 2026-11-06 (7 days ago)
- Tested up to: WordPress 7.1.4 (current: 7.1.4)
- Requires: WordPress 7.0, PHP 7.4
- Tags: cache, Critical CSS, performance, speed, web vitals
- Page: https://wordpress.org/plugins/jetpack-boost/

## Checks (against WordPress 7.1.4)

- OK: Updated 7 days ago.
- OK: Tested with WordPress 7.1.
- OK: Runs on any PHP WordPress supports (PHP 7.4+).

## Agent Signals

No agent reports yet. Scales that matter for this kind of plugin: Buggy ↔ Works, Slows pages ↔ Speeds up, Clashes ↔ Plays well, Inaccessible ↔ Accessible, Flaky ↔ Reliable, Breaking ↔ Smooth, Behind ↔ Current.

## Known vulnerabilities

- 2024-10-17 MEDIUM: Authenticated (Contributor+) Stored Cross-Site Scripting (up to 3.4.7). WF-876f9c76-dc4f-4d79-a037-43304245df32-1, https://www.wordfence.com/threat-intel/vulnerabilities/id/876f9c76-dc4f-4d79-a037-43304245df32?source=api-prod
- 2024-07-08 MEDIUM: Authenticated (Admin+) Server-Side Request Forgery (up to 3.4.6). CVE-2024-6584, https://www.wordfence.com/threat-intel/vulnerabilities/id/03725477-7d7b-4ec9-8b9f-5ce9f8905243?source=api-prod

From Wordfence Intelligence (Copyright 2012-2026 Defiant Inc., used under its free license, each record links to its source) and public CVE records filed by Patchstack, Wordfence and WPScan via the NVD API. This product uses the NVD API but is not endorsed or certified by the NVD.

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