Optimus – WordPress Image Optimizer
by KeyCDN · Performance
Also makes 2 other plugins · 140K+ installs across the portfolio →
Effective image compression and optimization during the upload process. Smart, automatic and reliable.
Try it live opens a temporary test site in your browser, which can take about 20 seconds to load. Plugins that rely on outside services or a full server may not work completely there.
Health
B 77/100
no flags
Active installs
30K+
≈35K estimated
Momentum
+7%
downloads vs prior 30d
Biggest opportunity: Swap “images”, “optimize image” and “webp” for “jpeg”, “process” and “optimizer”. “images” isn't earning its slot: you're not in the first 24 results for its own search. “jpeg” sits at #16 untagged, close enough for a declared tag to move it up. “optimize image” isn't earning its slot: you're not in the first 24 results for its own search. “process” sits at #20 untagged, close enough for a declared tag to move it up. “webp” isn't earning its slot: you're not in the first 24 results for its own search. “optimizer” sits at #22 untagged, close enough for a declared tag to move it up. All five slots are taken, so one has to go.
77 health vs 69 average across 1,808 Performance plugins
Install conversion
How it's measured →4.3%
of downloads still active
At least 30K of 702.7K lifetime downloads are still running, above its category: the median Performance plugin keeps 1.4%, across 1,103 plugins.
Downloads count every update, not just first installs, so older and more frequently released plugins read lower. Compare against other Performance plugins, not across the directory. wp.org reports active installs as the bottom of a band, so the real rate is this or higher.
This plugin shipped 1 release in the last 12 months, and every existing install that updated counted as another download. wp.org publishes no split between first installs and updates, so we show the raw rate rather than guess at one.
Details
Directory ranking optimization
How it's scored →How well this listing is tuned to rank in WordPress.org search, on the factors an owner controls. Not popularity, optimization.
Excellent listing optimization
Well tuned across the board
Updated 243 days ago, past the ~180 days where wp.org starts discounting
Tested up to WordPress 6.9.11, the current branch or newer
4.2★ over 69 reviews, smoothed to 4.16★
5 of 5 tags set · short description in place
Search visibility
How it's tracked →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.
38
Momentum
Losing ground
-0.2
Velocity
places per keyword, 27d
16%
Breadth
of keywords climbing, 27d
+0.1
Acceleration
recent half vs earlier
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.
| Keyword | wp.org | On merit | wp.org move, 90 days |
|---|---|---|---|
| wordpress image optimizer your tag | #9 | #12 | down 2 |
| image optimizer your tag | #14 | #15 | down 4 |
| optimizer | #22 | #15 | down 3 |
| process | #20 | #18 | up 2 |
| jpeg | #16 | #16 | 0 |
| image compression | #24 | #18 | 0 |
| wordpress optimizer | #21 | #17 | up 1 |
| images compression | #22 | #20 | 0 |
| bulk image optimizer | #22 | #17 | 0 |
| website optimizer | #23 | #16 | up 1 |
| images your tag | Not in the top 24 | ||
| optimize image your tag | Not in the top 24 | ||
| webp your tag | Not in the top 24 | ||
35 searches this plugin appeared in over the last 90 days, 10 listed. 25 left out as unrelated or noise (years, numbers, stray words). 3 of its tags aren't in the top 24 for their own search.
What to do about it
- Swap “images”, “optimize image” and “webp” for “jpeg”, “process” and “optimizer”. “images” isn't earning its slot: you're not in the first 24 results for its own search. “jpeg” sits at #16 untagged, close enough for a declared tag to move it up. “optimize image” isn't earning its slot: you're not in the first 24 results for its own search. “process” sits at #20 untagged, close enough for a declared tag to move it up. “webp” isn't earning its slot: you're not in the first 24 results for its own search. “optimizer” sits at #22 untagged, close enough for a declared tag to move it up. All five slots are taken, so one has to go.
- One page off on “image optimizer”. #14 puts you just past the first ten results, where almost all the clicks stop. The gap to close is small.
Daily downloads
Since 5 Oct 2022 · 1,488 days · wp.org + Plugin Pulse archive
30-day downloads
Rolling 30-day volume · peak 24.7K · peaks are release surges
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
Health trend
Composite health score, snapshotted daily
Update activity
How busy the existing users are, measured as downloads in the last 30 days for every 1,000 active sites. A spike means a new release everyone's pulling; a long, slow decline means an aging user base that updates less.
Release cadence
Occasionally updatedHow often this plugin actually ships. A steady rhythm is the maintenance signal a single "last updated" date can't show.
1
releases in the last 12 months
8mo ago
latest release · v1.6.3 · 2 Mar 2026
22
tagged releases on record
Recent releases
What its installed base runs
via wordpress.orgShare of active installs on each version of this plugin · 97% run the current release. Green is the current release; a big slice on older versions is a user base that has stopped updating.
Estimated active installs
The public count shows “30K+”. Our estimate pins where the real number sits.
Crossed into this band 19 months ago; the previous band took 20 months to cross, which places it about 50% of the way through.
Install history since 2 May 2021
Recent reviews
All reviews on wp.org ↗- ★★★★★ dagmarkaufmann5mo ago
Less work with configuration after the installation. It helps to minimize and comprimize pictures.
Read on wp.org ↗ - ★★★★★ alexio7.2y ago
The 100kb limit of the free version is very limiting and mostly serves like a demo. My disappointment was that even though i had the premium version and i optimized the images, google pagespeed still had the message that my images could be smaller.
Read on wp.org ↗ - ★★★★★ Coworking à Vannes7.8y ago
Pourquoi perdre du temps quand un outil peut vous en faire gagner… Si vous avez des images trop lourdes qui peuvent ralentir votre site, c’est l’outil idéal. This topic was modified 7 years, 6 months ago by Coworking à Vannes.
Read on wp.org ↗ - ★★★★★ Panos Sakalakis7.8y ago
A simple, fast and easy to use plugin that has great features to offer. I’ve purchased a key for the Pro version a few days ago and converted all my pictures to webP. My blog is faster than ever. If you care about your site’s speed, stop what you’re doing and purchase a key!
Read on wp.org ↗ - ★★★★★ guenstig-kochen.at8.0y ago
ein gutes Tool, erfunden von einem der Besten -> Sergej Müller… doch nun macht das absolut keinen Sinn mehr. Warum? Hatte man mal eine HQ Lizenz und möchte diese nicht verlängern, so versagt das Plugin anschließend seinen Dienst komplett und bedient nicht mal mehr die “freien Features”.
Read on wp.org ↗ - ★★★★★ Anonymous User 163442718.2y ago
It is ok thanks however the enter license button did not reveal the input field first time i entered it. This topic was modified 7 years, 10 months ago by Anonymous User 16344271. This topic was modified 7 years, 10 months ago by Anonymous User 16344271.
Read on wp.org ↗ - ★★★★★ clint20178.4y ago
great!
Read on wp.org ↗ - ★★★★★ danrami8.7y ago
This one’s a gem! This is one of the plugins that helped me learn how to optimize my websites. I use KeyCDN and found a large database of articles to help optimize my websites and realized that my images were a huge problem. Once installing this baby, it was smooth sailing from there. Easy to install, and quick to shrink my images. It made a massive difference to my speed! And without much work at all! Truly made me happy to save so much time, especially when it came to my woocommerce site! Definitely glad and worth the purchase!
Read on wp.org ↗
Latest updates
via wp.org changelogRecent releases and news for this plugin
- — Version 1.6.3 WordPress 6.1 compatibility 1.6.3
- — Version 1.6.2 WordPress 6.0 compatibility 1.6.2
- — Version 1.6.1 Fix bulk image optimization (#13 @tg247) 1.6.1
- — Version 1.6.0 Skip missing files Added wpcli command for bulk optimization Added option to append instead of replace file extension for webp files 1.6.0
- — Version 1.5.0 Unsupported image types are now gracefully skipped Renamed setting names and greyed out inapplicable settings to avoid confusion Increased size limit for Optimus HQ to 10MB Licences can now easily be extended Optimize im 1.5.0
- — Version 1.4.9 Formatting updates 1.4.9
Behavioral tests
via WP HiveAutomated install-time checks, tested on PHP 8.1.12 · WP 6.1.1
Languages
via translate.wordpress.orgTranslated into 131 languages, 6 at 90% or more
Plus 107 more locales with partial translations.
AI assistants
How it's measured →Whether ChatGPT and Claude name this plugin when asked the category question, and whether the readme gives them something to quote.
Not measured yet for this plugin’s topics. Its tracked searches are not among the measured topics. See the topics measured so far.
Readme readiness
4 of 8 pass · checked 27 Oct 2026Can an assistant quote this readme? Eight deterministic checks over the wp.org listing, no model involved.
- ! Says what it does Short description names no action; say what the plugin does for the site.
- ! Has a FAQ No FAQ section.
- ! FAQ asks real questions No FAQ to judge.
- ! Names who it is for Never says who the plugin is for or what they use it for.
- ✓ Names what it works with Mentions WooCommerce, Multisite.
- ✓ Headings and lists 10 headings and 8 lists.
- ✓ Enough to quote 3,254 characters of description.
- ✓ Tags match the text 4 of 5 tags appear in the text; "Optimize image" does not.
Growth timeline
Install-tier crossings we have observed, and how long each tier took to outgrow
- 2025-04-14 40K+ → 30K+ down after 604 days in tier
- 2023-08-19 50K+ → 40K+ down after 449 days in tier
- 2022-05-27 60K+ → 50K+ down after 745 days in tier
- 2020-05-12 70K+ → 60K+ down after 156 days in tier
- 2019-12-08 60K+ → 70K+ up after 306 days in tier
- 2019-02-05 50K+ → 60K+ up after 249 days in tier
- 2018-06-01 40K+ → 50K+ up after 242 days in tier
- 2017-10-02 30K+ → 40K+ up after 184 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).
-
WebP Express 300K+ installs · 4.4★ · 2 shared tags A -
Modern Image Formats 100K+ installs · 3.7★ · 2 shared tags B -
WebP Express Plus 600+ installs · 4.0★ · 2 shared tags D -
PixelCraft with WebP 500+ installs · 4.1★ · 2 shared tags A -
Webp Transformer 200+ installs · 3.6★ · 2 shared tags -
WebP Images 200+ installs · 4.1★ · 2 shared tags D
Embed this report card
Drop a live Pulse card for Optimus – WordPress Image Optimizer into a readme, a review or a deck. It updates itself.
<iframe src="https://plugins.wpmayor.com/embed/optimus" width="480" height="300" style="border:0" loading="lazy" title="Optimus – WordPress Image Optimizer — Plugin Pulse"></iframe> Optimus – WordPress Image Optimizer: 30K+ active installs, 4.2★ (69 reviews). Plugin Pulse (WP Mayor), as of 2026-10-31. https://plugins.wpmayor.com/plugin/optimus
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