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Similar WordPress plugins

CSS Optimizer alternatives

The 12 WordPress plugins most like CSS Optimizer, by the tags they share, the most in common first. Installs, ratings and updates come from WordPress.org and refresh every night.

CSS Optimizer

100+ installs · #16,570 most popular

Its stats
Closest match
Jetpack Boost
Shares 2 of CSS Optimizer's 4 tags.
Most installed
Speed Optimizer
1M+ active installs.
Best rated
Widget CSS Classes
4.9 out of 5 from 74 reviews.
Most recently updated
Jetpack Boost
Updated on Nov 6, 2026.
  1. Jetpack Boost

    by Automattic

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

    Installs
    200K+
    Rank
    #245
    Rating
    4.7(612)
    Updated
    2 days ago

    SharesCritical CSSspeed

    Compare with CSS Optimizer
  2. Speed Optimizer

    by SiteGround

    Boost your website performance and page speed, and increase conversions with powerful caching, frontend, media, and environment optimizations.

    Installs
    1M+
    Rank
    #44
    Rating
    4.2(641)
    Updated
    7 days ago

    Sharesspeed

    Compare with CSS Optimizer
  3. Simple Custom CSS Plugin

    by John Regan

    Add Custom CSS to your WordPress site without any hassles.

    Installs
    100K+
    Rank
    #359
    Rating
    4.7(159)
    Updated
    1 year ago

    Sharescss

    Compare with CSS Optimizer
  4. Blocks Animation

    by Hardeep Asrani

    Add CSS animations and scroll effects to any Gutenberg block. Choose from fade, slide, zoom & more, with delay and duration controls — no code needed.

    Installs
    90K+
    Rank
    #468
    Rating
    4.8(73)
    Updated
    3 days ago

    Sharescss

    Compare with CSS Optimizer
  5. Simple CSS

    by Tom

    Add CSS to your website through an admin editor, the Customizer or a metabox for page/post specific CSS.

    Installs
    80K+
    Rank
    #544
    Rating
    4.9(60)
    Updated
    1 year ago

    Sharescss

    Compare with CSS Optimizer
  6. Widget CSS Classes

    by Jory Hogeveen

    Add custom classes and ids plus first, last, even, odd, and numbered classes to your widgets.

    Installs
    80K+
    Rank
    #530
    Rating
    4.9(74)
    Updated
    2 years ago

    Sharescss

    Compare with CSS Optimizer
  7. Hummingbird Performance

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

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

    Installs
    70K+
    Rank
    #598
    Rating
    4.7(1.5K)
    Updated
    5 days ago

    SharesCritical CSS

    Compare with CSS Optimizer
  8. WP Add Custom CSS

    by Daniele De Santis

    Add custom css to the whole website and to specific posts and pages.

    Installs
    60K+
    Rank
    #673
    Rating
    4.8(89)
    Updated
    1 year ago

    Sharescss

    Compare with CSS Optimizer
  9. A2 Optimized WP

    by A2 Hosting

    Make your site faster and more secure with the click of a few buttons

    Installs
    60K+
    Rank
    #669
    Rating
    3.1(43)
    Updated
    1 year ago

    Sharesspeed

    Compare with CSS Optimizer
  10. 10Web Booster

    by 10Web

    Speed up your site with 10Web Booster. Pass Core Web Vitals by optimizing HTML / CSS / JavaScript, Image Optimization, Lazy Loading, Cache, Google Fon …

    Installs
    60K+
    Rank
    #642
    Rating
    4.6(405)
    Updated
    27 days ago

    Sharesspeed

    Compare with CSS Optimizer
  11. Debloat

    by asadkn

    Remove Unused CSS, Optimize CSS, Optimize JS and speed up your site.

    Installs
    30K+
    Rank
    #960
    Rating
    4.8(41)
    Updated
    1 month ago

    Sharesspeed

    Compare with CSS Optimizer
  12. Visual CSS Style Editor

    by YellowPencil

    Style your WordPress site visually. Discover the most popular front-end design plugin! Try live demo.

    Installs
    30K+
    Rank
    #939
    Rating
    4.1(90)
    Updated
    2 months ago

    Sharescss

    Compare with CSS Optimizer

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