# Speed Up – Optimize CSS Delivery

> Speed Up – Optimize CSS Delivery has 500+ active installs, a 5/5 rating from 8 reviews and 236 downloads in the last 30 days. Health score 73/100, keyword rankings, version adoption and the best alternatives.

**Verdict: Solid choice.** Speed Up – Optimize CSS Delivery is a solid plugin choice in 2026, with a few things worth checking first. It runs on 500+ sites, is rated 5/5 and was last updated 3 months ago, and scores 73/100 on our health check.

**This plugin load the stylesheets asynchronously and improve page load times.**

## Key facts

- **Overall rank:** —
- **Active installs:** 500+
- **Total downloads:** 61,368
- **Downloads (30 days):** 236 (+14.6% vs previous 30 days)
- **Rating:** 5/5 from 8 reviews
- **Health score:** 73/100 (Good)
- **Version:** 1.0.14
- **Last updated:** Jul 26, 2026
- **Tested up to:** WordPress 7.0.7
- **Requires:** WordPress 6.0+, PHP 7.0+
- **Support resolved:** 0 of 0 threads (last 2 months)
- **Developer:** Simone Nigro (https://pageforge.pro/directory/authors/nigrosimone/)
- **WordPress.org:** https://wordpress.org/plugins/speed-up-optimize-css-delivery/

## Category rankings

| Category | Rank | Plugins |
|---|---|---|
| [async css](https://pageforge.pro/directory/plugins/tag/async-css/) | #3 | 3 |
| [defer css](https://pageforge.pro/directory/plugins/tag/defer-css/) | #3 | 5 |
| [optimize css delivery](https://pageforge.pro/directory/plugins/tag/optimize-css-delivery/) | #1 | 1 |
| [Page Speed](https://pageforge.pro/directory/plugins/tag/page-speed/) | #15 | 77 |
| [render blocking css](https://pageforge.pro/directory/plugins/tag/render-blocking-css/) | #1 | 1 |

## WordPress.org search positions

| Keyword | Position | Results |
|---|---|---|
| async css | #4 | 392 |
| defer css | #8 | 491 |
| optimize css delivery | #1 | 242 |
| Page Speed | #32 | 5,373 |
| render blocking css | #4 | 479 |

## Version adoption

- 1.0: 100%

## Alternatives

| # | Name | Active installs | Rating | Updated | Health |
|---|---|---|---|---|---|
| 1 | [Page Speed Optimizer: HTTP/2 Push, Async JavaScript, and Defer CSS](https://pageforge.pro/directory/plugins/http2-push-content/) | 6K+ | 4.7/5 (64) | Aug 31, 2026 | 84/100 |
| 2 | [CSS JS Manager, Async JavaScript, Defer Render Blocking CSS](https://pageforge.pro/directory/plugins/css-js-manager/) | 1K+ | 4.8/5 (90) | Aug 31, 2026 | 82/100 |

## Frequently asked questions

### Is Speed Up – Optimize CSS Delivery free?
Yes. Speed Up – Optimize CSS Delivery is free to download and use from the official WordPress.org plugin directory.

### Is Speed Up – Optimize CSS Delivery safe to use in 2026?
Speed Up – Optimize CSS Delivery is a solid plugin choice in 2026, with a few things worth checking first. It runs on 500+ sites, is rated 5/5 and was last updated 3 months ago, and scores 73/100 on our health check.

### How many websites use Speed Up – Optimize CSS Delivery?
Speed Up – Optimize CSS Delivery is active on 500+ WordPress websites and has been downloaded 61,368 times since it launched in December 2016. It was downloaded 236 times in the last 30 days.

### Does Speed Up – Optimize CSS Delivery work with WordPress 7.1?
Speed Up – Optimize CSS Delivery is officially tested up to WordPress 7.0.7, while the latest release is 7.1.3. It may still work, but try it on a staging site first.

### What PHP version does Speed Up – Optimize CSS Delivery need?
Speed Up – Optimize CSS Delivery requires PHP 7.0 or higher. Most hosts run PHP 8.x today, so it works on any modern WordPress hosting.

### When was Speed Up – Optimize CSS Delivery last updated?
The latest version, 1.0.14, was released on July 26, 2026 (3 months ago).

### Who makes Speed Up – Optimize CSS Delivery?
Speed Up – Optimize CSS Delivery is developed and maintained by Simone Nigro.

### What are the best alternatives to Speed Up – Optimize CSS Delivery?
The most popular alternatives to Speed Up – Optimize CSS Delivery are Page Speed Optimizer: HTTP/… (6K+ installs) and CSS JS Manager, Async JavaS… (1K+ installs).


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Source: live WordPress.org data · HTML version: https://pageforge.pro/directory/plugins/speed-up-optimize-css-delivery/ · Generated 2026-10-15 00:27 UTC by PageForge