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Similar WordPress plugins

WP CSS Merge alternatives

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

WP CSS Merge

Fewer than 10 installs · #53,883 most popular

Its stats
Closest match
Jetpack Boost
Shares 2 of WP CSS Merge's 4 tags.
Most installed
Jetpack Boost
200K+ active installs.
Best rated
Widget CSS Classes
4.9 out of 5 from 74 reviews.
Most recently updated
ezCache
Updated on Nov 9, 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
    3 days ago

    Sharescacheperformance

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  2. 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

    Sharescacheperformance

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  3. Clearfy Cache

    by Creativemotion

    Optimize and tweak WordPress by disable unused features. Improve performance, SEO and security using Clearfy — super easy, fast and zero code.

    Installs
    40K+
    Rank
    #814
    Rating
    4.7(339)
    Updated
    3 months ago

    Sharescacheperformance

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  4. 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 WP CSS Merge
  5. 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

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  6. 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

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  7. 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

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  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 WP CSS Merge
  9. 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

    Sharesperformance

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  10. 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

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  11. Add Admin CSS

    by Scott Reilly

    Easily define additional CSS (inline and/or by URL) to be added to all administration pages.

    Installs
    10K+
    Rank
    #1,875
    Rating
    4.9(35)
    Updated
    11 months ago

    Sharescss

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  12. ezCache

    by uPress

    Lightning-fast WordPress optimization — page caching, Redis Object Cache, Critical CSS, WebP images, CSS/JS optimization, and 15+ performance tools.

    Installs
    10K+
    Rank
    #2,096
    Rating
    4.6(5)
    Updated
    today

    Sharescacheoptimizationperformance

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