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Autoptimize

v3.1.17

by Optimizing Matters · updated 14 days ago

Autoptimize speeds up your website by optimizing JS, CSS, images (incl. lazy-load), HTML and Google Fonts, asyncing JS, removing emoji cruft and more.

core web vitalsimagesOptimizepagespeedperformance
WordPress.org SaveAnalyze reviews Track this plugin
Rank
#77
No change0 vs yesterday
Active installs (est.)
≈ 850,000
800K+ reported · Low
Total downloads
45.3M
45,261,311 all-time
Rating
4.7/5
1,429 reviews
Support resolved
83%
5 of 6 threads, last 2 months
Growing·Downloads +98.1% (30d)·Toward 900K+ · ETA ~2d

Autoptimize at a glance

Autoptimize is a WordPress plugin by Optimizing Matters with 800K+ active installs, the #77 most popular plugin on WordPress.org. On a typical day it’s downloaded about 11,200 times, 98% more than the month before. It’s rated 4.7 out of 5 from 1,429 reviews. Version 3.1.17 came out on Oct 25, 2026 and is tested up to WordPress 7.1.4. It leads the 1,001 plugins tagged “images”. It was first released in 2009.

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

560.1K downloads · the last 30 days

Downloads over time
Autoptimize Compare series
Downloads over time: 30 days across 1 series.0100K200KOct 9Oct 14Oct 19Oct 24Oct 28Nov 2Nov 7Oct 29, 2026: Tested up to 7.1.4
View as table
DateAutoptimize
Nov 7, 20264,442
Nov 6, 20267,822
Nov 5, 20268,951
Nov 4, 20269,703
Nov 3, 20269,932
Nov 2, 202612,467
Nov 1, 20267,369
Oct 31, 20267,228
Oct 30, 202613,170
Oct 29, 202624,091
Oct 28, 202630,858
Oct 27, 202623,464
Oct 26, 2026266,803
Oct 25, 202616,282
Oct 24, 20265,467
Oct 23, 202611,431
Oct 22, 202618,940
Oct 21, 202614,070
Oct 20, 20266,427
Oct 19, 20266,894
Oct 18, 20263,323
Oct 17, 20263,532
Oct 16, 20265,628
Oct 15, 20266,106
Oct 14, 20266,611
Oct 13, 20266,954
Oct 12, 20267,207
Oct 11, 20263,841
Oct 10, 20264,076
Oct 9, 20266,977

Unusual spikes are usually updates, not new installs.

Estimated installs

≈ 853,741 · -0.3% in the last 30 days

Estimated installs
Estimated installs: 30 days across 2 series.850K852K854K856KOct 9Oct 14Oct 19Oct 24Oct 29Nov 3Nov 8Oct 29, 2026: Tested up to 7.1.4
View as table
DateApproximate, from band changesEstimated installs
Nov 8, 2026–853,741
Nov 7, 2026–853,741
Nov 5, 2026–853,741
Nov 4, 2026–853,741
Nov 3, 2026–853,741
Nov 2, 2026–853,741
Nov 1, 2026–853,741
Oct 31, 2026–853,741
Oct 30, 2026–853,741
Oct 29, 2026–853,741
Oct 28, 2026–853,434
Oct 27, 2026849,868849,868
Oct 26, 2026850,245–
Oct 25, 2026850,622–
Oct 24, 2026850,999–
Oct 23, 2026851,376–
Oct 22, 2026851,753–
Oct 21, 2026852,130–
Oct 20, 2026852,507–
Oct 19, 2026852,884–
Oct 18, 2026853,261–
Oct 17, 2026853,637–
Oct 16, 2026854,014–
Oct 15, 2026854,391–
Oct 14, 2026854,768–
Oct 13, 2026855,145–
Oct 12, 2026855,522–
Oct 11, 2026855,899–
Oct 10, 2026856,276–
Oct 9, 2026856,653–

Rank over time

#77

Popular rank
Popular rank: 16 days across 1 series.#75#80Oct 16Oct 19Oct 27Oct 31Nov 4Nov 8Oct 29, 2026: Tested up to 7.1.4
View as table
DateDaily snapshot
Nov 8, 2026#77
Nov 7, 2026#77
Nov 6, 2026#77
Nov 5, 2026#77
Nov 4, 2026#77
Nov 3, 2026#77
Nov 2, 2026#77
Nov 1, 2026#77
Oct 31, 2026#77
Oct 30, 2026#77
Oct 29, 2026#77
Oct 28, 2026#77
Oct 27, 2026#77
Oct 21, 2026#77
Oct 19, 2026#77
Oct 16, 2026#77

Growth %

Average -0.01% a day in the last 30 days

Growth %, day over day
Growth %, day over day: 29 days across 2 series.0%Oct 10Oct 15Oct 20Oct 24Oct 29Nov 3Nov 8
View as table
DateApproximate, from band changesGrowth
Nov 8, 2026–0.00%
Nov 7, 2026–0.00%
Nov 5, 2026–0.00%
Nov 4, 2026–0.00%
Nov 3, 2026–0.00%
Nov 2, 2026–0.00%
Nov 1, 2026–0.00%
Oct 31, 2026–0.00%
Oct 30, 2026–0.00%
Oct 29, 2026–+0.04%
Oct 28, 2026–+0.42%
Oct 27, 2026-0.04%–
Oct 26, 2026-0.04%–
Oct 25, 2026-0.04%–
Oct 24, 2026-0.04%–
Oct 23, 2026-0.04%–
Oct 22, 2026-0.04%–
Oct 21, 2026-0.04%–
Oct 20, 2026-0.04%–
Oct 19, 2026-0.04%–
Oct 18, 2026-0.04%–
Oct 17, 2026-0.04%–
Oct 16, 2026-0.04%–
Oct 15, 2026-0.04%–
Oct 14, 2026-0.04%–
Oct 13, 2026-0.04%–
Oct 12, 2026-0.04%–
Oct 11, 2026-0.04%–
Oct 10, 2026-0.04%–

Active installs band

800K+ on WordPress.org

Active installs (rounded band)
Active installs (rounded band): 16 days across 1 series.800KOct 16Oct 19Oct 27Oct 31Nov 4Nov 8Oct 29, 2026: Tested up to 7.1.4
View as table
DateDaily snapshot
Nov 8, 2026800K+
Nov 7, 2026800K+
Nov 6, 2026800K+
Nov 5, 2026800K+
Nov 4, 2026800K+
Nov 3, 2026800K+
Nov 2, 2026800K+
Nov 1, 2026800K+
Oct 31, 2026800K+
Oct 30, 2026800K+
Oct 29, 2026800K+
Oct 28, 2026800K+
Oct 27, 2026800K+
Oct 21, 2026800K+
Oct 19, 2026800K+
Oct 16, 2026800K+

Search rankings

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

See where Autoptimize 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 #77 → #77Downloads -2.3%
    • Tested up to 7.1.3 → 7.1.4
  2. Rank #77 → #77Downloads +43.7%
    • Released 3.1.17 (was 3.1.16)

Versions in use

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

  • v3.188%
  • Other12%

Rating trend

4.7★★★★★1,429 reviews · steady in the last 30 days

Requirements & info

Version history
Version
3.1.17
Requires WordPress
5.3
Tested up to
7.1.4
Requires PHP
7.4
First released
Jul 9, 2009
Last updated
Oct 25, 2026
Releases, last 12 months
…

Questions about Autoptimize

How many websites use Autoptimize?

Autoptimize is active on 800K+ WordPress sites, as WordPress.org reports it. WordPress.org rounds the number down, so the real count is somewhat higher. That makes it the #77 most popular plugin on WordPress.org.

How many times has Autoptimize been downloaded?

45,261,311 times in total since 2009. On a typical day it’s downloaded about 11,200 times. See download stats

When was Autoptimize last updated?

Version 3.1.17 came out on Oct 25, 2026 (2 weeks ago). See every release

Is Autoptimize compatible with the latest WordPress?

Yes. It’s tested up to WordPress 7.1.4, the current version.

Does Autoptimize have known security vulnerabilities?

None that affect the current version. WPVulnerability’s database lists 19 older issues, fixed in earlier versions, so keep Autoptimize up to date. See its security record

Is Autoptimize still maintained?

Yes. Its last release was 2 weeks ago. Its authors resolved 5 of the 6 support threads opened in the last two months.

What rating does Autoptimize have?

4.7 out of 5 from 1,429 reviews on WordPress.org. 90% of them give 5 stars.

What are the best alternatives to Autoptimize?

The plugins most like Autoptimize, by the tags they share, are Modern Image Formats (100K+), NitroPack (80K+) and Image Placeholders (60K+). Compare all alternatives

Latest reviews

Analyze reviews
All reviews on WordPress.org

Review stats

4.7

★★★★★

1,429 reviews

  • 5 stars: 1,290 reviews, 90%
  • 4 stars: 34 reviews, 2%
  • 3 stars: 21 reviews, 1%
  • 2 stars: 20 reviews, 1%
  • 1 stars: 64 reviews, 4%
Positive
93%4–5★
Mixed
1%3★
Critical
6%1–2★
  • About 139 more 5★ reviews would lift it to 4.8.
  • Each new 1★ review takes 14 five-star reviews to balance out.

Compare with competitors

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Starter · 1 competitor
Autoptimize
Suggested:
Metric
Autoptimize
Estimated installs≈ 850,000
Reported installs800K+
Rating4.7
Reviews1,429
Total downloads45.3M
AuthorOptimizing Matters
First releasedJul 9, 2009
Version3.1.17
Requires WP5.3
Requires PHP7.4
Last updatedOct 25, 2026

Alternatives to Autoptimize

Compare all alternatives

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

Side by side:Autoptimize vs Modern Image FormatsAutoptimize vs NitroPackAutoptimize vs Image Placeholders