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Speed Optimizer vs WP Fastest Cache

Two WordPress plugins head to head: ranking, active installs, downloads and ratings, from our daily tracking of the WordPress.org directory.

Speed Optimizer

Speed Optimizer Caching & performance

by SiteGround

WP Fastest Cache

WP Fastest Cache Caching & performance

by Emre Vona

At a glance

Speed Optimizer leads the WordPress.org popular list today at #43, ahead of WP Fastest Cache at #47. Speed Optimizer has the largest install base: 1M+ active installs against 1M+ for WP Fastest Cache. Downloads this week: WP Fastest Cache 211,699 and Speed Optimizer 53,811. Ratings: Speed Optimizer 4.2★ from 640 and WP Fastest Cache 4.9★ from 4,224 reviews.

Metric Speed Optimizer WP Fastest Cache
Popular rank today #43 #47
Active installs 1M+ 1M+
Downloads, last 7 days 53,811 211,699
Rating 4.2★ (640) 4.9★ (4,224)
Last updated Aug 25, 2026 Sep 13, 2026
Current version 7.8.2 1.5.2
Best rank on record #43 #47
Days in the top 50 52 52
On WordPress.org since Nov 2014 Aug 2013
Sites detected by our detector 4 1

Highlighted cells mark the strongest figure in each row. Rank and installs are from the latest WordPress.org capture; downloads are the last seven captured days.

Ranking history Lower is better

Speed OptimizerWP Fastest Cache

Active installs

Speed OptimizerWP Fastest Cache

Downloads per day

Speed OptimizerWP Fastest Cache

Frequently asked questions

Which is more popular, Speed Optimizer or WP Fastest Cache?

By active installs, Speed Optimizer: 1M+ sites run it against 1M+ for WP Fastest Cache, according to WordPress.org figures captured on September 14, 2026.

Which ranks higher on WordPress.org, Speed Optimizer or WP Fastest Cache?

Speed Optimizer, at #43 on the WordPress.org popular plugins list today, with WP Fastest Cache at #47. The ranking reflects recent installs and moves daily, which is why this page shows the history rather than one snapshot.

Are Speed Optimizer or WP Fastest Cache alternatives to each other?

Yes. All of them are caching & performance plugins, so a site would normally run one of them. The figures above show which one more WordPress sites choose and how that has changed over time.

Where do these numbers come from?

WordPress.org publishes each plugin’s active install count and its position on the popular list. This site records both every day, along with per-day downloads and ratings, so the charts above show how the plugins have moved over time rather than a single day.