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Speed Optimizer

Speed Optimizer - The All-In-One Performance-Boosting Plugin
by SiteGround · 1,000,000+ active installs · Checked 3 Nov 2026
Healthy

Healthy: maintained, last release 2 Nov 2026, 19 releases in 24 months, no unpatched vulnerabilities.

85/ 100 Canary Score
Sub-scores for Speed Optimizer
Ownership100
Maintenance100
Security85
Support57
Reputation70

How the score works

Quick answers

Is Speed Optimizer still maintained?
Yes. Last release 2 Nov 2026, 19 releases in the last 24 months. 2 Nov 2026 · wordpress.org
Who owns Speed Optimizer, and has it changed hands?
No change recorded. Main committer sstoqnov since Dec 2018. 3 Nov 2026 · SVN log
Was Speed Optimizer removed from wordpress.org?
No. Listed on wordpress.org as of 3 Nov 2026. 3 Nov 2026 · wordpress.org
Is Speed Optimizer safe?
5 known vulnerabilities, all fixed (latest in 7.8.5). Not on the exploited list. 23 Oct 2026 · Wordfence Intelligence
Is the latest Speed Optimizer update safe to install?
No ownership change before 7.8.6. No one-star spike after it. 2 Nov 2026 · Release history

Active signals

Facts we detected, with links to the source.

  • InfoHST-1Kinsta lists this plugin as not allowed on its hosting (seen 4 Nov 2026). Check your host's rules before installing. Some hosts disable listed plugins automatically.4 Nov 2026Evidence

Ownership timeline

Who commits to the plugin's code on wordpress.org, over time.

Committers and their active periods
sstoqnov3 Dec 2018 to 18 Aug 2026, 209 commits
stoyangeorgiev19 Oct 2020 to 15 Apr 2026, 45 commits
elenachavdarova17 Nov 2021 to 9 Nov 2023, 72 commits
ignatggeorgiev24 Mar 2022 to 16 Feb 2026, 46 commits
asparuhtenev7 Apr 2026 to 2 Nov 2026, 24 commits

5 committers recorded. No ownership change since 2014.

Maintenance

Last release
2 days ago
Releases, 24 months
19
Tested up to
7.1 current
Requires PHP
7.0 supported 8.2+
Releases per quarter
Releases per quarter for Speed Optimizer
Q1 20240
Q2 20240
Q3 202414
Q4 202410
Q1 20250
Q2 20250
Q3 20250
Q4 20254
Q1 20261
Q2 20265
Q3 20263
Q4 20263

Last release 2 Nov 2026. Tested with WordPress 7.1 (current).

Reputation

Last 90 days: 3.7 (3 reviews). Lifetime: 4.2.

Average rating per quarter for Speed Optimizer
Q2 20253.0
Q3 20253.0
Q4 20253.8
Q1 20263.3
Q2 20263.3
Q3 20263.7
Q4 20261.0

Average rating fell from 3.0 to 1.0 between Q2 2025 and Q4 2026.

Rating distribution
5 star462
4 star26
3 star34
2 star27
1 star92
Latest low reviews

Security record

3 vulnerabilities in 24 months (5 on record), all patched (latest fixed in 7.8.5).

Show 5 patched vulnerabilities
PublishedIssueCVSSAffectedFixed inDays to patch
23 Oct 2026Speed Optimizer – The All-In-One Performance-Boosting Plugin < 7.8.5 - Authenticated (Administrator+) Stored Cross-Site Scripting4.4< 7.8.57.8.5Patched before disclosure
23 Oct 2026Speed Optimizer – The All-In-One Performance-Boosting Plugin < 7.8.5 - Missing Authorization2.7< 7.8.57.8.5Patched before disclosure
18 Aug 2026Speed Optimizer <= 7.8.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Image Tag Attributes6.4<= 7.8.07.8.1Patched before disclosure
15 Apr 2024Speed Optimizer <= 7.4.6 - Missing Authorization via purge_on_other_events()5.3<= 7.4.67.5.0175
14 Mar 2019SiteGround Optimizer <= 5.0.12 - Missing Authorization9.8< 5.0.135.0.13963

Changelog mentions of security fixes: 7.8.4 (security); 7.8.5 (security).

Sources: Wordfence Intelligence, CISA Known Exploited Vulnerabilities, readme changelogs.

Support

57% of 7 support threads resolved in the last 2 months.

Momentum

1,000,000+ active installs. History builds with each weekly snapshot.

Weekly downloads, last 27 weeks
Weekly downloads for Speed Optimizer
4 May 20261,757,286
11 May 202633,577
18 May 202630,930
25 May 202624,918
1 Jun 202622,484
8 Jun 202622,585
15 Jun 202622,318
22 Jun 2026383,824
29 Jun 202681,489
6 Jul 20261,070,151
13 Jul 202634,342
20 Jul 202626,344
27 Jul 202625,916
3 Aug 202630,143
10 Aug 20261,467,557
17 Aug 202653,296
24 Aug 2026405,195
31 Aug 202682,198
7 Sep 202653,811
14 Sep 2026721,041
21 Sep 20261,456,840
28 Sep 202655,035
5 Oct 2026731,838
12 Oct 202689,493
19 Oct 20261,711,533
26 Oct 202636,403
2 Nov 2026275,198

Weekly downloads over the last 4 weeks are 33% above the 27-week average.

Healthier alternatives

Same job, rated Healthy, higher Canary Score and at least 10,000 installs. Never sponsored.

Super Page CacheScore 95 · 70,000+WP Super CacheScore 93 · 1,000,000+xSpeed CacheScore 92 · 10,000+Nginx HelperScore 91 · 200,000+SpinupWPScore 91 · 30,000+

Facts

Version7.8.6
AuthorSiteGround
Added25 Nov 2014
Last updated2 Nov 2026
Active installs1,000,000+
Requires WordPress5.5.1
Tested up to7.1.4
Requires PHP7.0
CategoryPerformance & Optimization > Caching Solutions
Tagsnginx, speed, caching, SiteGround, performance

Other plugins by this author: AI Agent by SiteGround, Security Optimizer - The All-In-One Protection Plugin, SiteGround Migrator, SiteGround Email Marketing

Questions

Is Speed Optimizer still maintained?

Yes. Last release 2 Nov 2026, 19 releases in the last 24 months.

Who owns Speed Optimizer, and has it changed hands?

No change recorded. Main committer sstoqnov since Dec 2018.

Was Speed Optimizer removed from wordpress.org?

No. Listed on wordpress.org as of 3 Nov 2026.

Is Speed Optimizer safe?

5 known vulnerabilities, all fixed (latest in 7.8.5). Not on the exploited list.

Is the latest Speed Optimizer update safe to install?

No ownership change before 7.8.6. No one-star spike after it.

Data: wordpress.org Plugins API, plugins SVN and Trac, wordpress.org reviews and support forum, Wordfence Intelligence, CISA KEV, NVD.Plugin data refreshed 3 Nov 2026.Report a data issue