Software Alternatives & Startups

Autoptimize VS SlimPress.dev

Compare Autoptimize VS SlimPress.dev and see what are their differences

Autoptimize

Autoptimize makes optimizing your site really easy.

Rating
0 reviews
SlimPress.dev

Switch off the WordPress features your site doesn't use

Rating
0 reviews
Pricing
Open source Free Free trial

Which is more popular?

Based on our record, Autoptimize seems to be more popular. It has been mentioned 1 time since March 2021.

social mentions
1 vs 0
WordPress Plugins popularity
83% vs 17%
alternatives listed
28 vs 9

Base details

Website, pricing, platforms and company facts side by side.

Autoptimize
SlimPress.dev
Website autoptimize.com pluginlab.dev
Pricing —
Open source Free Free trial
Platforms —
Wordpress
Company — 2026
Listed in

About Autoptimize and SlimPress.dev

In their own words, as submitted to SaaSHub.

Autoptimize
SlimPress.dev

No description of Autoptimize yet.

SlimPress turns off parts of WordPress core that your site does not use: XML-RPC, Heartbeat, emoji scripts, comments, feeds, archives, revisions, image sizes, dashboard clutter and more, grouped by area and explained in plain language. Every switch carries a "what might break" note and...

Read more about SlimPress.dev

Features and specs

What each product offers, as listed by its team.

Autoptimize 5 features
SlimPress.dev 7 features
  • Performance Improvement
    Autoptimize can significantly enhance the loading speed of your website by optimizing HTML, CSS, and JavaScript. This can lead to improved user experience and potentially better SEO performance.
  • Ease of Use
    Autoptimize has an intuitive interface which makes it easy for users of all skill levels to configure and use effectively for their optimization needs.
  • Customization Options
    The plugin offers numerous settings and options for users to tailor the optimization process according to their specific needs, providing control over what to optimize and what not to.
  • Compatibility
    It is compatible with most themes and plugins, which ensures that it can be integrated without causing major issues to the existing website setup.
  • Free Version Availability
    Autoptimize provides a robust free version with a wide range of features, making it accessible for individuals and businesses without a budget.

Possible disadvantages

  • Potential Conflicts
    As with many optimization plugins, there may be conflicts with other plugins or themes, leading to unexpected website behavior that requires troubleshooting.
  • Advanced Features Needing Technical Knowledge
    Some advanced optimization features might require a level of technical knowledge to configure correctly, which can be challenging for non-technical users.
  • Risk of Breaking Site Layouts
    Improper configuration of Autoptimize can lead to broken website layouts, as optimizations may inadvertently change the way CSS or JavaScript renders on the site.
  • Limited Image Optimization
    While Autoptimize focuses on HTML, CSS, and JavaScript, it offers limited support for image optimization compared to dedicated image optimization plugins.
  • Inconsistent Support
    Users might experience inconsistencies in getting timely support or updates, especially if they are using the free version, which can slow down the resolution of issues.
  • Switches in 13 groups
    Front-end, APIs, comments, content, revisions, media, block editor, dashboard, updates, emails, security, Site Health and WooCommerce, each switch in plain language.
  • "What might break" on every switch
    an impact badge and a warning if an active plugin relies on the feature.
  • Undo for every change
    the last 10 versions of its settings are kept, and any save, preset, import or reset can be restored.
  • Built-in performance test
    compares your pages with and without SlimPress, and says "within noise" when the difference is too small to trust.
  • Assets tab
    load a plugin's CSS and JavaScript only on the pages that use it, with a plugin scan showing the size each one adds.
  • Presets
    Safe defaults, Blog, Brochure site, WooCommerce store and Headless.
  • Nothing until you switch it
    no code or hooks load for features that are off, there's no pro tier or telemetry, and deactivating it restores WordPress's defaults.

Videos

Walkthroughs and reviews on video.

Autoptimize 3 videos + Add
SlimPress.dev 0 videos + Add

Autoptimize WordPress Plugin 2020 Review, Tutorial, Best Settings, and Error Solutions

More videos

  • - Autoptimize Tutorial 2021 - How To Setup Autoptimize Plugin - Autoptimize Plugin Tutorial
  • - Autoptimize Tutorial 2020 - How To Setup Autoptimize Plugin - Autoptimize

No SlimPress.dev videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Autoptimize
SlimPress.dev
83% 83%
17% 17%
100% 100%
CDN
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%

Questions & Answers

As answered by people managing Autoptimize and SlimPress.dev.

What makes your product unique?

SlimPress.dev's answer:

Every switch says what it might break, and SlimPress warns you if an active plugin relies on the feature you're about to turn off. Any change can be undone from the last 10 saved versions of its settings. A built-in performance test loads your own pages with and without SlimPress and says "within noise" when the difference is too small to trust, instead of overselling. Every toggle is free: no pro tier, no upsells, no telemetry.

How would you describe the primary audience of your product?

SlimPress.dev's answer:

WordPress site owners, freelancers and agencies who want a leaner site and want to understand each change before making it. It suits blogs, brochure sites and WooCommerce stores, and includes presets for each (Safe defaults, Blog, Brochure site, WooCommerce store and Headless).

What's the story behind your product?

SlimPress.dev's answer:

I built SlimPress because on shop sites I kept switching off the same parts of WordPress core by hand, and I wanted each switch to say what it might break. It grew into a plugin with grouped switches, an undo history and a performance test that reports the real difference on your own pages. I publish it free, with no pro version, as part of PluginLab.dev.

Which are the primary technologies used for building your product?

SlimPress.dev's answer:

PHP and JavaScript for WordPress, written as plain, readable source with no build step. It requires WordPress 6.8 or higher and PHP 7.4 or higher, and applies its changes through WordPress filters and actions at runtime. An optional PageSpeed button calls Google's PageSpeed Insights API only when you click it. It also integrates with WooCommerce when WooCommerce is active.

Who are some of the biggest customers of your product?

SlimPress.dev's answer:

SlimPress is free and open source, so it has no paying customers. It is installed from WordPress.org by site owners, agencies and WooCommerce shops, and it has no telemetry, so I don't track or name them.

Why should a person choose your product over its competitors?

SlimPress.dev's answer:

It focuses on one job: turning off parts of WordPress core your site doesn't use, and it is open about what each change costs. Nothing is switched off until you choose to, and deactivating SlimPress puts WordPress back exactly as it was, because every switch is a runtime filter. It adds no CSS, JavaScript or markup to your pages, and it deliberately skips caching, minification and CDN rewrites, so it works alongside the performance tools you already use.

User comments

Share your experience with using Autoptimize and SlimPress.dev. For example, how are they different and which one is better?

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Autoptimize 1 mention
SlimPress.dev 0 mentions
  • I have no clue how to optimize my PageSpeed
    The issues your site are having are troublesome for most small site administrators: good score on Desktop load but lousy on Mobile load. There are also good paid options for someone to professionally optimize the site using the above... Source: almost 5 years ago

Tracking SlimPress.dev since Nov 2026.

Alternatives to Autoptimize and SlimPress.dev

When comparing Autoptimize and SlimPress.dev, you can also consider the following products.