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Optimus – WordPress Image Optimizer

v1.6.3

by KeyCDN · updated 8 months ago

Effective image compression and optimization during the upload process. Smart, automatic and reliable.

image optimizerimagesOptimize imagewebpwordpress image optimizer
WordPress.org SaveAnalyze reviews Track this plugin
Rank
#1,069
Down1 vs yesterday
Active installs (est.)
≈ 32,000
30K+ reported · Medium
Total downloads
703.2K
703,156 all-time
Rating
4.2/5
69 reviews
Support resolved
–
0 of 0 threads, last 2 months
Growing·Downloads +20.7% (30d)·Toward 40K+ · ETA ~37d

Optimus at a glance

Optimus is a WordPress plugin by KeyCDN with 30K+ active installs, the #1,069 most popular plugin on WordPress.org. On a typical day it’s downloaded about 60 times, 21% more than the month before. It’s rated 4.2 out of 5 from 69 reviews. Version 1.6.3 came out on Mar 2, 2026 and is tested up to WordPress 6.9.11. It leads the 3 plugins tagged “Optimize image”. It was first released in 2012.

Chart time range

Applies to every chart below. History from Oct 9, 2026, 31 days.

Showing the last 30 days. Full history comes with any paid plan.See plans

Downloads over time

Download stats

1.7K downloads · the last 30 days

Downloads over time
Optimus Compare series
Downloads over time: 30 days across 1 series.50100Oct 9Oct 14Oct 19Oct 24Oct 28Nov 2Nov 7Oct 29, 2026: Tested up to 6.9.11
View as table
DateOptimus
Nov 7, 202632
Nov 6, 202648
Nov 5, 202670
Nov 4, 202658
Nov 3, 202676
Nov 2, 202660
Nov 1, 202663
Oct 31, 202652
Oct 30, 202649
Oct 29, 202660
Oct 28, 202675
Oct 27, 202661
Oct 26, 202667
Oct 25, 202650
Oct 24, 202652
Oct 23, 2026102
Oct 22, 2026104
Oct 21, 202687
Oct 20, 202647
Oct 19, 202652
Oct 18, 202622
Oct 17, 202625
Oct 16, 202634
Oct 15, 202640
Oct 14, 202650
Oct 13, 202653
Oct 12, 202688
Oct 11, 202624
Oct 10, 202629
Oct 9, 202660

Unusual spikes are usually updates, not new installs.

Estimated installs

≈ 31,547 · -0.5% in the last 30 days

Estimated installs
Estimated installs: 12 days across 1 series.31.6K31.6K31.7K31.7KOct 27Oct 29Oct 31Nov 2Nov 4Nov 8Oct 29, 2026: Tested up to 6.9.11
View as table
DateEstimated installs
Nov 8, 202631,547
Nov 7, 202631,581
Nov 5, 202631,614
Nov 4, 202631,648
Nov 3, 202631,651
Nov 2, 202631,614
Nov 1, 202631,579
Oct 31, 202631,679
Oct 30, 202631,615
Oct 29, 202631,712
Oct 28, 202631,703
Oct 27, 202631,709

Rank over time

#1,069 · down 2 in the last 30 days

Popular rank
Popular rank: 14 days across 1 series.#1.1K#1.1KOct 16Oct 27Oct 31Nov 4Nov 8Oct 29, 2026: Tested up to 6.9.11
View as table
DateDaily snapshot
Nov 8, 2026#1,069
Nov 7, 2026#1,068
Nov 6, 2026#1,069
Nov 5, 2026#1,069
Nov 4, 2026#1,068
Nov 3, 2026#1,067
Nov 2, 2026#1,070
Nov 1, 2026#1,071
Oct 31, 2026#1,068
Oct 30, 2026#1,070
Oct 29, 2026#1,068
Oct 28, 2026#1,069
Oct 27, 2026#1,069
Oct 16, 2026#1,067

Growth %

Average -0.04% a day in the last 30 days

Growth %, day over day
Growth %, day over day: 11 days across 1 series.-0.2%0%0.2%Oct 28Oct 30Nov 1Nov 4Nov 8
View as table
DateGrowth
Nov 8, 2026-0.11%
Nov 7, 2026-0.05%
Nov 5, 2026-0.11%
Nov 4, 2026-0.01%
Nov 3, 2026+0.12%
Nov 2, 2026+0.11%
Nov 1, 2026-0.32%
Oct 31, 2026+0.20%
Oct 30, 2026-0.31%
Oct 29, 2026+0.03%
Oct 28, 2026-0.02%

Active installs band

30K+ on WordPress.org

Active installs (rounded band)
Active installs (rounded band): 14 days across 1 series.29K30K31KOct 16Oct 27Oct 31Nov 4Nov 8Oct 29, 2026: Tested up to 6.9.11
View as table
DateDaily snapshot
Nov 8, 202630K+
Nov 7, 202630K+
Nov 6, 202630K+
Nov 5, 202630K+
Nov 4, 202630K+
Nov 3, 202630K+
Nov 2, 202630K+
Nov 1, 202630K+
Oct 31, 202630K+
Oct 30, 202630K+
Oct 29, 202630K+
Oct 28, 202630K+
Oct 27, 202630K+
Oct 16, 202630K+

Search rankings

Where it appears in WordPress.org search for the searches you track, checked every day.

See where Optimus ranks in search

Track this plugin to check its position for the searches you choose, daily, with an alert when it moves.

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Change log

From our daily snapshot of WordPress.org
  1. Rank #1069 → #1069Downloads +11.5%
    • Tested up to 6.9.10 → 6.9.11

Versions in use

Share of active installs on each published version, from WordPress.org.

  • v1.698%
  • Other2.5%

Rating trend

4.2★★★★★69 reviews · steady in the last 30 days

Requirements & info

Version history
Version
1.6.3
Requires WordPress
4.6
Tested up to
6.9.11
Requires PHP
5.6
First released
Oct 5, 2012
Last updated
Mar 2, 2026
Releases, last 12 months
…

Questions about Optimus

How many websites use Optimus?

Optimus is active on 30K+ WordPress sites, as WordPress.org reports it. WordPress.org rounds the number down, so the real count is somewhat higher. That makes it the #1,069 most popular plugin on WordPress.org.

How many times has Optimus been downloaded?

703,156 times in total since 2012. On a typical day it’s downloaded about 60 times. See download stats

When was Optimus last updated?

Version 1.6.3 came out on Mar 2, 2026 (8 months ago). See every release

Is Optimus compatible with the latest WordPress?

Optimus’s readme says it’s tested up to WordPress 6.9.11, while the current version is 7.1. That doesn’t mean it breaks, but its author hasn’t confirmed it works with the latest releases.

Does Optimus have known security vulnerabilities?

No. WPVulnerability’s database lists no known vulnerabilities for Optimus. See its security record

Is Optimus still maintained?

Its last release was 8 months ago. No support threads were opened in the last two months.

What rating does Optimus have?

4.2 out of 5 from 69 reviews on WordPress.org. 75% of them give 5 stars.

What are the best alternatives to Optimus?

The plugins most like Optimus, by the tags they share, are Modern Image Formats (100K+), Smush (1M+) and EWWW Image Optimizer (1M+). Compare all alternatives

Latest reviews

Analyze reviews
All reviews on WordPress.org

Review stats

4.2

★★★★★

69 reviews

  • 5 stars: 52 reviews, 75%
  • 4 stars: 3 reviews, 4%
  • 3 stars: 1 reviews, 1%
  • 2 stars: 3 reviews, 4%
  • 1 stars: 10 reviews, 14%
Positive
80%4–5★
Mixed
1%3★
Critical
19%1–2★
  • About 3 more 5★ reviews would lift it to 4.3.
  • Each new 1★ review takes 4 five-star reviews to balance out.

Compare with competitors

Add up to 1 competitor. No account needed.

Starter · 1 competitor
Optimus
Suggested:
Metric
Optimus
Estimated installs≈ 32,000
Reported installs30K+
Rating4.2
Reviews69
Total downloads703.2K
AuthorKeyCDN
First releasedOct 5, 2012
Version1.6.3
Requires WP4.6
Requires PHP5.6
Last updatedMar 2, 2026

Alternatives to Optimus

Compare all alternatives

Popular plugins with the same tags, the most in common first.

Side by side:Optimus vs Modern Image FormatsOptimus vs SmushOptimus vs EWWW Image Optimizer

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