Speed Optimizer — WordPress Caching Plugin
Speed Optimizer – The All-In-One Performance-Boosting Plugin
by SiteGround · WordPress.org page · Website
Speed Optimizer has 1 million+ active installs on WordPress.org and 104,921,162 downloads all time. We have tracked it since September 4, 2026; download trends appear after 30 days of data. The last update was on August 25, 2026, tested up to WordPress 7.1.
Speed Optimizer at a glance
Is Speed Optimizer well maintained?
Speed Optimizer reviews and ratings
640 reviews on WordPress.org, with the most recent ones as their authors posted them.
640 reviews
- 5★
-
462
- 4★
-
26
- 3★
-
34
- 2★
-
27
- 1★
-
91
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, #61 in search | #17 | – |
| Best Image Optimization Plugins | #50 in search, not tagged | #85 | – |
Speed Optimizer alternatives
Plugins that solve the same problem, ranked by how closely they overlap with Speed Optimizer.
-
FastPixel Cache 4,000+ installs · 4.8 -
W3 Total Cache 900,000+ installs · 4.4 -
LiteSpeed Cache 7 million+ installs · 4.8 -
WP-Optimize 1 million+ installs · 4.8 -
Hummingbird Performance 70,000+ installs · 4.7
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
-
Security Optimizer 1 million+ installs -
AI Agent by SiteGround 1 million+ installs -
SiteGround Migrator 80,000+ installs -
SiteGround Email Marketing 2,000+ installs
- Version
- 7.8.2
- Last updated
- Aug 25, 2026
- First published
- Nov 25, 2014
- Requires WordPress
- 5.5.1
- Tested up to
- 7.1
- 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 September 7, 2026.
Is Speed Optimizer still maintained?
Yes. The last release was on August 25, 2026 and it is tested up to WordPress 7.1.
Does Speed Optimizer have good support?
On the WordPress.org forum, 2 of 8 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 #17 in the WordPress.org Caching Plugins ranking.