Sleek Compare is a lightweight before/after image comparison slider for WordPress. Built with performance in mind — no jQuery, no FontAwesome, no bloat.

Key Features

Ultra-lightweight: Under 10KB total (JS + CSS combined)
Zero external dependencies: No jQuery or icon libraries required
Touch-friendly: Full swipe support for mobile devices
Keyboard accessible: Arrow keys, Shift+Arrow for 10% jumps, Home/End
Simple shortcode: Works in classic editor, widgets, and page builders
Lazy loading: Images and slider initialization deferred until visible
CSS variables: Easy theming without touching code
No render-blocking resources: Scripts and styles load conditionally

Pro Version

Want Gutenberg block and Elementor widget support? Check out Sleek Compare Pro for:

Native Gutenberg block with live preview
Full Elementor widget with style controls
Custom handle colors
Priority email support
Lifetime updates

Usage

Shortcode

Basic usage:
[sleek_compare before=”https://example.com/before.jpg” after=”https://example.com/after.jpg”]

With all options:
[sleek_compare
before=”https://example.com/before.jpg”
after=”https://example.com/after.jpg”
start=”30″
label_before=”Original”
label_after=”Enhanced”
show_labels=”true”
]

Shortcode Attributes

before – URL of the before image (required)
after – URL of the after image (required)
start – Starting position 0-100 (default: 50)
label_before – Before label text (default: “Before”)
label_after – After label text (default: “After”)
show_labels – Show labels true/false (default: true)