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

Reviewers split between genuine praise for speed gains and quick support fixes, and real frustration over plugin conflicts, unwanted installs, and messy incremental updates.

How well this listing is tuned to rank in WordPress.org search, on the factors an owner controls. Not popularity, optimization.

Directory searches this plugin turns up in, and which way each one is moving. WordPress.org publishes no history of search positions, so this starts the day we first tracked a keyword and never backfills.

wp.org is where the directory puts the plugin for that search. On merit is where it would sit if results were ranked on rating, support and updates, without the install boost. The last column is how far the wp.org position moved, from our first reading in the last 90 days to the latest.

1168 searches this plugin appeared in over the last 90 days, 20 listed. 1056 left out as unrelated or noise (years, numbers, stray words).

Directory rank vs rivals

wp.org popularity rank over time · higher is better · when a rival's line climbs above yours, they've overtaken you

How often this plugin actually ships. A steady rhythm is the maintenance signal a single "last updated" date can't show.

Share of active installs on each version of this plugin · 81% run the current release. Green is the current release; a big slice on older versions is a user base that has stopped updating.

Crossed into this band 6.1 years ago; a band this size takes about a year or more to cross, which places it about 90% of the way through.

1. ★★★★★ marjoriecurtis

   5mo ago

   Edit: Received an email from customer support to contact them to resolve. I was a bit skeptical that I was going to be stuck with the issue. However, after a few minutes the conflict between the 2 plugins was discovered and within a few minutes a solution was found. Up until about 6 months ago, I would have given the plugin 5 stars and worked well. However, it started creating problems with the plugin Amelia that I use for booking appointments. When both plugins are active, the booking options don’t function and customers are unable to use the website. I kept hoping that updates would fix the issue, but that haven’t. This topic was modified 1 month ago by marjoriecurtis. Reason: issue corrected

   Read on wp.org ↗
2. ★★★★★ aegei

   5mo ago

   Great performance plugin. Improved Core Web Vitals and reduced CLS without heavy tweaking.

   Read on wp.org ↗
3. ★★★★★ allop24

   5mo ago

   I started using the plugin according to its recommendations. Once I started analyzing with Lighthouse I realized the program was delaying load speeds. Piece by piece I removed functions and now I think I am better off without it.

   Read on wp.org ↗
4. ★★★★★ Lawson

   5mo ago

   We don’t like when a plugin installs other plugins on our website without our consent. When a program does that it’s called a trojan horse. What’s worse is that siteground installed an AI plugin on our website, literally the least secure, highest risk and fastest growing (which also means least stable) tech that exists today. Plugins have backdoor access to our website, to our customers and everything that we sell, therefore they need to be secure, stable & reliable and ideally run from the same server as our website. The trouble with AI tech is we don’t know who all of the stakeholders are and we aren’t given sufficient reassurance of security.

   Read on wp.org ↗
5. ★★★★★ jamesrlapalm

   6mo ago

   The plugin works pretty well, but the fact that auto cache purge is not triggered by category image changes is a huge con. This means that I have to give our shop manager admin level access so she can have access to the manual cache purge link. This topic was modified 2 months, 1 week ago by jamesrlapalm. Reason: Change rating

   Read on wp.org ↗
6. ★★★★★ manhattancenters

   6mo ago

   They just fixed some goofy setting for emails now 2 days later other stuff. How about release all at once??? Getting just as bad as some other developer not testing their products. This topic was modified 2 months, 1 week ago by manhattancenters.

   Read on wp.org ↗
7. ★★★★★ Angie Wood

   6mo ago

   If I use this, it always breaks my site, I check it regally but always end up turning it off.

   Read on wp.org ↗
8. ★★★★★ Tassoman

   7mo ago

   A quite disappointing open source contribution

   Read on wp.org ↗

Recent releases and news for this plugin

1. — Version 7.8.0 Release Date: Jun 22th, 2026 CSS combination and minification improvements JS combination and minification improvements Cache flushing improvements File Caching improvements 7.8.0
2. — Version 7.7.11 Release Date: May 7th, 2026 File Caching improvements Lazy Loading improvements CSS minifier improvements 7.7.11
3. — Version 7.7.10 Release Date: May 5th, 2026 Email Service improvements 7.7.10
4. — Version 7.7.9 Release Date: Apr 15th, 2026 Security improvements 7.7.9
5. — Version 7.7.8 Release Date: Apr 7th, 2026 Memcache improvements WP Cli improvements Layout improvements Heartbeat compatibility improvements 7.7.8
6. — Version 7.7.7 Release Date: Feb 16th, 2026 Version bump 7.7.7

All 5 disclosed vulnerabilities are patched in the current version (7.8.5). Sites still on an older version should update.

1. Patched Medium · 4.4 Speed Optimizer – The All-In-One Performance-Boosting Plugin < 7.8.5 - Authenticated (Administrator+) Stored Cross-Site Scripting ↗
   2026-10-23 CVE-2026-111737 Improper Neutralization of Input During Web Page Generation Affects < 7.8.5 Patched in 7.8.5
2. Patched Low · 2.7 Speed Optimizer – The All-In-One Performance-Boosting Plugin < 7.8.5 - Missing Authorization ↗
   2026-10-23 CVE-2026-111738 Missing Authorization Affects < 7.8.5 Patched in 7.8.5
3. Patched Medium · 6.4 Speed Optimizer <= 7.8.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Image Tag Attributes ↗
   2026-08-18 CVE-2026-15421 Improper Neutralization of Input During Web Page Generation Affects <= 7.8.0 Patched in 7.8.1
4. Patched Medium · 5.3 Speed Optimizer <= 7.4.6 - Missing Authorization via purge_on_other_events() ↗
   2024-04-15 CVE-2024-32532 Missing Authorization Affects <= 7.4.6 Patched in 7.5.0
5. Patched Critical · 9.8 SiteGround Optimizer <= 5.0.12 - Missing Authorization ↗
   2019-03-14 CVE-2019-25217 Missing Authorization Affects < 5.0.13 Patched in 5.0.13

Automated install-time checks, tested on PHP 8.1.12 · WP 7.0

Translated into 30 languages, 15 at 90% or more

Plus 6 more locales with partial translations.

Whether ChatGPT and Claude name this plugin when asked the category question, and whether the readme gives them something to quote.

Growth timeline

Install-tier crossings we have observed, and how long each tier took to outgrow

1. 2020-10-06 900K+ → 1M+ up after 99 days in tier
2. 2020-06-29 800K+ → 900K+ up after 84 days in tier
3. 2020-04-06 700K+ → 800K+ up after 146 days in tier
4. 2019-11-12 600K+ → 700K+ up after 162 days in tier
5. 2019-06-03 500K+ → 600K+ up after 102 days in tier
6. 2019-02-21 400K+ → 500K+ up after 204 days in tier
7. 2018-08-01 300K+ → 400K+ up after 212 days in tier
8. 2018-01-01 200K+ → 300K+ up after 245 days in tier

Competes with

The plugins that solve the same job, ranked by shared tags then reach, closest match first. The letter on the right is each plugin's health grade (A best, F worst).

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Drop a live Pulse card for Speed Optimizer – The All-In-One Performance-Boosting Plugin into a readme, a review or a deck. It updates itself.

Speed Optimizer – The All-In-One Performance-Boosting Plugin: 1M+ active installs, 4.2★ (641 reviews). Plugin Pulse (WP Mayor), as of 2026-10-31. https://plugins.wpmayor.com/plugin/sg-cachepress