WordPress plugin comparison

FSM Custom Featured Image Caption vs Nix Image Optimizer

FSM Custom Featured Image Caption

by Fesomia

5K+ installs4.6

Nix Image Optimizer

by nixtool

10+ installs5.0

At a glance

FSM Custom Featured Image Caption has more active installs: 5K+, against 10+ for Nix Image Optimizer.
On a typical day, FSM Custom Featured Image Caption is downloaded about 42 times, Nix Image Optimizer about 4.
Nix Image Optimizer is rated higher: 5.0 out of 5 from 1 review, against 4.6 from 22 reviews.
Nix Image Optimizer was updated more recently: Oct 28, 2026, against Apr 27, 2026 for FSM Custom Featured Image Caption.
Nix Image Optimizer is tested with a newer WordPress: 7.1.4, against 6.8.12 for FSM Custom Featured Image Caption.
FSM Custom Featured Image Caption has been around longer: since 2017, against 2026 for Nix Image Optimizer.

FSM Custom Featured Image Caption leads on 4 of 7 comparable lines.

Metric	FSM Custom Featured Image Caption	Nix Image Optimizer
Popular rank	#3,177	#34,764
Active installs	5K+	10+
Downloads, last 30 days	1.2K	129
Rating	4.6(22)	5.0(1)
Support threads resolved	0%	–
Tested up to	6.8.12	7.1.4
Search multiplier	×0.58	×0.19
Last release	6 months ago	13 days 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.

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