by Jesus Iniesta 0 (0 reviews)

Empirical Responsive Images

Name: Empirical Responsive Images
Author: Jesus Iniesta

Learns which image sizes visitors need, then creates responsive WordPress thumbnails and WebP/AVIF versions in the background.

Empirical Responsive Images ranks #68,757 among WordPress.org plugins with 0+ active installations, is #5,533 of 6,372 in the Media category, and was last updated Sep 22, 2026. Data from WordPress.org, refreshed twice daily — see methodology.

Compatible with WP 7.1.2

v0.3.9 Current Version v0.3.9

Updated 1 day ago Last Update on 22 Sep, 2026

Refreshed 8 hours ago Last Refreshed on

#5,533 of 6,372 in Media Actively maintained

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Rank

#68,757

— No change

Active Installs

-100%

KW Avg Position

N/A

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Downloads

350

+6 today

Support Resolved

— No change

Rating

Review 0 out of 5

0 (0 reviews)

Next Milestone 10

Total Progress 0%

0+ 10+

49,017

Ranks to Climb

Growth Needed

8,000,000

Active Installs

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Current #68,757

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Active Installs Growth

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Active Installs 0,000,000+

Growth +0.0%

Peak 0,000,000

Downloads Growth

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Reviews & Ratings

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Plugin Details

Version: 0.3.9
Last Updated: Sep 22, 2026
Requires WP: 6.9+
Tested Up To: 7.1.2
PHP Version: 7.4 or higher
Author: Jesus Iniesta

Support & Rating

Rating: ☆ ☆ ☆ ☆ ☆ 0
Reviews: 0
Support Threads: 0
Resolved: 0%

Keywords

AVIF image optimization image sizes responsive images webp

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Frequently Asked Questions

Common questions about Empirical Responsive Images

It can help when PageSpeed finds images that are much larger than the space where they appear. The plugin creates closer size choices and can add WebP/AVIF versions. It does not heavily compress original images or turn animated GIFs into videos, so some recommendations may remain. One test page improved from 75 to 99 and its Largest Contentful Paint (LCP) improved from 7.2 seconds to 2.3 seconds. Scores vary; no PageSpeed or Core Web Vitals result is guaranteed.

Yes. Compression plugins mainly make image files smaller. Empirical Responsive Images mainly creates the image dimensions your layouts need. Both jobs can be useful.

Usually. Let the other plugin compress originals and let this plugin create responsive sizes. If both plugins create WebP/AVIF versions, enable that feature in only one. Test the combination on a copy of your site before using it on a live store or busy site.

The plugin can refresh caches from WP Rocket, W3 Total Cache, WP Super Cache, LiteSpeed Cache, Breeze, Autoptimize, and SiteGround Speed Optimizer after creating images. It can still learn WordPress images when a CDN changes their public URLs. If a separate CDN keeps its own page cache, that CDN or its WordPress plugin must also clear the cached page.

Usually, when they produce normal WordPress image elements. The plugin rechecks lazy images after they load and watches images added after the page opens. CSS background images, drawing canvases, remote images, and heavily customized JavaScript galleries may not be eligible.

Image checks run during spare browser time. Missing files are created later by WordPress background tasks. Visitors do not wait for resizing or WebP/AVIF generation.

No. Confirmed gaps are queued, created, retried when necessary, and used automatically. The administration page shows progress; it is not an approval queue.

Subscribers do. By default, a logged-in Contributor, Author, Editor, or Administrator can confirm a valid missing size sooner. Regular visitors must confirm the same gap in three separate 15-minute periods by default.

Only a secure code pointing to a local image and rounded size information needed to find a missing choice. The plugin does not store a visitor's identity, IP address, browser details, referring page, or the URL of the page they visited.

No. Only marked local images and a fixed list of sizes are accepted. Near matches count as covered, and strict queue, retry, storage, and daily work limits keep generation bounded.