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Speed Optimizer — WordPress Caching Plugin

Speed Optimizer – The All-In-One Performance-Boosting Plugin

by SiteGround · WordPress.org page · Website

v7.8.5 Tested up to WP 7.1.3 PHP 7.0+

Speed Optimizer has 1 million+ active installs on WordPress.org and 109,728,561 downloads all time. It was downloaded 3,714,181 times in the last 30 days. The last update was on October 20, 2026, tested up to WordPress 7.1.3.

Speed Optimizer at a glance

Active installs
1 million+
Total downloads
109,728,561
Downloads, last 30 days
3,714,181
30-day growth
–
downloads vs the previous 30 days

Is Speed Optimizer well maintained?

Support threads resolved
6 of 10
recent threads on the WordPress.org support forum
WordPress compatibility
Current
tested up to WordPress 7.1.3, the current release is 7.1.3
One-star reviews
14%
92 of 641 reviews on WordPress.org

Speed Optimizer reviews and ratings

641 reviews on WordPress.org, with the most recent ones as their authors posted them.

4.2 out of 5

641 reviews

5★
462
4★
26
3★
34
2★
27
1★
92

Download and install history

4,821,685 downloads over the last 49 days. Snapshots taken daily from WordPress.org.

Downloads per day
Speed Optimizer downloads per day0500k1M1.5M2MSep 5Sep 29Oct 23Downloads per day
Active installs
Speed Optimizer active installs0250k500k750k1MSep 5Sep 29Oct 23Active installs
Rating out of 5
Speed Optimizer rating01.32.53.85Sep 5Sep 29Oct 23Rating out of 5
Reviews
Speed Optimizer review count02505007501kSep 5Sep 29Oct 23Reviews

Where Speed Optimizer ranks on WordPress.org

The rankings we track that Speed Optimizer appears in, and how its position changed over 30 days.

Ranking WordPress.org placement Position 30 days
Best Caching Plugins #3 by tag, #38 in search #13 ▲3
Best Image Optimization Plugins #36 in search, not tagged #67 ▲8

Speed Optimizer alternatives

Plugins that solve the same problem, ranked by how closely they overlap with Speed Optimizer.

Details

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

The full description, screenshots and every review live on the WordPress.org page.

Rankings Speed Optimizer competes in

Tags

  • caching
  • nginx
  • performance
  • SiteGround
  • speed

More from SiteGround

Version
7.8.5
Last updated
Oct 20, 2026
First published
Nov 25, 2014
Requires WordPress
5.5.1
Tested up to
7.1.3
Requires PHP
7.0
Pricing
Free on WordPress.org

Speed Optimizer FAQ

How many active installs does Speed Optimizer have?

WordPress.org reports 1 million+ active installs for Speed Optimizer as of October 23, 2026.

Is Speed Optimizer still maintained?

Yes. The last release was on October 20, 2026 and it is tested up to WordPress 7.1.3.

Does Speed Optimizer have good support?

On the WordPress.org forum, 6 of 10 recent support threads for Speed Optimizer are marked resolved. That is the developer's free support; a paid version usually comes with its own channel.

Is Speed Optimizer free?

Speed Optimizer is free to install from WordPress.org. Many plugins also sell a paid version or add-ons.

Where does Speed Optimizer rank among Caching Plugins?

Speed Optimizer is #13 in the WordPress.org Caching Plugins ranking.