Change class in viewport: create animations with pure CSS
by Jose Mortellaro · Uncategorized
When an element of the page enters the viewport, it adds a CSS class to that element.
83 health vs 58 average across 8,472 Uncategorized plugins
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.
Well optimized
Biggest win: Rating quality
To rank higher: Too few reviews to rank on quality — nudge happy users to leave one.
Get the full rank-higher report →Daily downloads
Since 2022-10-05 · 1,381 days · wp.org + Plugin Pulse archive
30-day downloads
Rolling 30-day volume · peaks are release surges
27
now · peak 105
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
Downloads per 1k installs · 30d
Engagement proxy · release spikes are signal, a long slide is an aging base
Estimated active installs
wp.org reports only “50+”. The real number sits in this band.
Refined from the date this plugin crossed into its current band.
Install history · since 2022-10-04 · 1,378 observations
Details
Growth timeline
Install-band crossings we have observed, and how long each band took to outgrow
- 2026-04-10 60+ → 50+ down after 13 days in band
- 2026-03-28 50+ → 60+ up after 3 days in band
- 2026-03-25 60+ → 50+ down after 2 days in band
- 2026-03-23 50+ → 60+ up after 1 days in band
- 2026-03-22 60+ → 50+ down after 2 days in band
- 2026-03-20 50+ → 60+ up after 1 days in band
- 2026-03-19 60+ → 50+ down after 1 days in band
- 2026-03-18 50+ → 60+ up after 1 days in band
Competes with
The plugins that solve the same job, ranked by shared tags then reach — closest match first
-
Superb Addons: Blocks, Patterns, Pre-built Pages, Sliders, Popups, Free Forms, Animations & More 80K+ installs · 4.5★ · 1 shared tag A -
Image Hover Effects – Elementor Addon 40K+ installs · 4.8★ · 1 shared tag A -
View Transitions 10K+ installs · 4.6★ · 1 shared tag A -
Crelly Slider 10K+ installs · 4.8★ · 1 shared tag C -
LottieFiles 7K+ installs · 3.0★ · 1 shared tag B -
DesignSetGo 5K+ installs · 4.1★ · 1 shared tag B
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<iframe src="https://plugins.wpmayor.com/embed/change-class-in-viewport" width="480" height="300" style="border:0" loading="lazy" title="Change class in viewport: create animations with pure CSS — Plugin Pulse"></iframe> Change class in viewport: create animations with pure CSS: 50+ active installs, 5.0★ (1 reviews). Plugin Pulse (WP Mayor), as of 2026-07-17. https://plugins.wpmayor.com/plugin/change-class-in-viewport