WordPress plugin comparison

Custom CSS classes for images vs Modern Image Formats

Custom CSS classes for images

by nivijah

100+ installs5.0

Modern Image Formats

by WordPress Performance Team

100K+ installs3.6

At a glance

Modern Image Formats has more active installs: 100K+, against 100+ for Custom CSS classes for images.
On a typical day, Modern Image Formats is downloaded about 1,126 times, Custom CSS classes for images about 4.
Custom CSS classes for images is rated higher: 5.0 out of 5 from 3 reviews, against 3.6 from 26 reviews.
Modern Image Formats was updated more recently: Aug 26, 2026, against Jul 2, 2015 for Custom CSS classes for images.
Modern Image Formats is tested with a newer WordPress: 7.1.4, against 4.2.39 for Custom CSS classes for images.
Custom CSS classes for images has been around longer: since 2015, against 2023 for Modern Image Formats.

Modern Image Formats leads on 6 of 7 comparable lines.

Metric	Custom CSS classes for images	Modern Image Formats
Popular rank	#14,035	#355
Active installs	100+	100K+
Downloads, last 30 days	74	28.8K
Rating	5.0(3)	3.6(26)
Support threads resolved	–	100%
Tested up to	4.2.39	7.1.4
Search multiplier	×0.00	×1.15
Last release	11 years ago	2 months ago
Requires PHP	–	7.4

From WordPress.org's public data, refreshed every night. Downloads are WordPress.org's official daily figures for the last 30 days.

Track your plugin against its rivals every day: rank, installs, downloads, ratings and their releases, with alerts when anything moves.