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Change class in viewport: create animations with pure CSS

v0.0.5

by Jose Mortellaro · updated 2 months ago

When an element of the page enters the viewport, it adds a CSS class to that element.

animationscss effects
WordPress.org SaveAnalyze reviews Track this plugin
Rank
#20,299
Down44 vs yesterday
Active installs (est.)
≈ 56
50+ reported · High
Total downloads
2.9K
2,945 all-time
Rating
5.0/5
1 reviews
Support resolved
–
0 of 0 threads, last 2 months
Growing·Downloads +75% (30d)·Toward 60+ · ETA ~3d

Change class in viewport at a glance

Change class in viewport is a WordPress plugin by Jose Mortellaro with 50+ active installs, the #20,299 most popular plugin on WordPress.org. On a typical day it’s downloaded about 4 times, 75% more than the month before. It’s rated 5.0 out of 5 from 1 review. Version 0.0.5 came out on Aug 22, 2026 and is tested up to WordPress 7.1.4. Among the 4 plugins tagged “css effects”, it ranks #2. It was first released in 2021.

Chart time range

Applies to every chart below. History from Oct 10, 2026, 31 days.

Showing the last 30 days. Full history comes with any paid plan.See plans

Downloads over time

Download stats

92 downloads · the last 30 days

Downloads over time
Change class in viewport Compare series
Downloads over time: 27 days across 1 series.0246Oct 10Oct 14Oct 19Oct 23Oct 27Nov 1Nov 5Oct 29, 2026: Tested up to 7.1.4
View as table
DateChange class in viewport
Nov 5, 20264
Nov 4, 20263
Nov 3, 20264
Nov 2, 20264
Nov 1, 20264
Oct 31, 20264
Oct 30, 20262
Oct 29, 20262
Oct 28, 20264
Oct 27, 20265
Oct 26, 20264
Oct 25, 20262
Oct 24, 20263
Oct 23, 20264
Oct 22, 20263
Oct 21, 20262
Oct 20, 20263
Oct 19, 20267
Oct 18, 20263
Oct 17, 20263
Oct 16, 20260
Oct 15, 20265
Oct 14, 20266
Oct 13, 20263
Oct 12, 20260
Oct 11, 20261
Oct 10, 20267

Unusual spikes are usually updates, not new installs.

Estimated installs

≈ 56 · -9.7% in the last 30 days

Estimated installs
Estimated installs: 13 days across 1 series.56586062Oct 27Oct 29Oct 31Nov 2Nov 5Nov 7Nov 9Oct 29, 2026: Tested up to 7.1.4
View as table
DateEstimated installs
Nov 9, 202656
Nov 8, 202656
Nov 7, 202657
Nov 5, 202656
Nov 4, 202661
Nov 3, 202662
Nov 2, 202662
Nov 1, 202662
Oct 31, 202662
Oct 30, 202662
Oct 29, 202662
Oct 28, 202662
Oct 27, 202662

Rank over time

#20,299 · down 386 in the last 30 days

Popular rank
Popular rank: 13 days across 1 series.#20K#20.2KOct 27Oct 30Nov 2Nov 5Nov 7Nov 9Oct 29, 2026: Tested up to 7.1.4
View as table
DateDaily snapshot
Nov 9, 2026#20,299
Nov 8, 2026#20,255
Nov 7, 2026#20,101
Nov 6, 2026#20,064
Nov 5, 2026#20,156
Nov 4, 2026#20,047
Nov 3, 2026#20,013
Nov 2, 2026#19,925
Nov 1, 2026#19,907
Oct 31, 2026#19,932
Oct 30, 2026#19,879
Oct 28, 2026#19,888
Oct 27, 2026#19,913

Growth %

Average -0.78% a day in the last 30 days

Growth %, day over day
Growth %, day over day: 12 days across 1 series.-5%0%5%Oct 28Oct 30Nov 1Nov 3Nov 5Nov 7Nov 9
View as table
DateGrowth
Nov 9, 20260.00%
Nov 8, 2026-1.75%
Nov 7, 2026+0.89%
Nov 5, 2026-8.20%
Nov 4, 2026-1.61%
Nov 3, 20260.00%
Nov 2, 20260.00%
Nov 1, 20260.00%
Oct 31, 20260.00%
Oct 30, 20260.00%
Oct 29, 20260.00%
Oct 28, 20260.00%

Active installs band

50+ on WordPress.org

Active installs (rounded band)
Active installs (rounded band): 14 days across 1 series.505560Oct 27Oct 29Oct 31Nov 2Nov 5Nov 7Nov 9Oct 29, 2026: Tested up to 7.1.4
View as table
DateDaily snapshot
Nov 9, 202650+
Nov 8, 202650+
Nov 7, 202650+
Nov 6, 202660+
Nov 5, 202650+
Nov 4, 202660+
Nov 3, 202660+
Nov 2, 202660+
Nov 1, 202660+
Oct 31, 202660+
Oct 30, 202660+
Oct 29, 202660+
Oct 28, 202660+
Oct 27, 202660+

Search rankings

Where it appears in WordPress.org search for the searches you track, checked every day.

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Change log

From our daily snapshot of WordPress.org
  1. Rank #19888 → #20156Downloads +33.3%Installs 60+ → 50+
    • Tested up to 7.1.3 → 7.1.4

Versions in use

Share of active installs on each published version, from WordPress.org.

  • v0.0100%

Rating trend

5.0★★★★★1 reviews · steady in the last 30 days

Requirements & info

Version history
Version
0.0.5
Requires WordPress
4.6
Tested up to
7.1.4
Requires PHP
5.6
First released
Jul 26, 2021
Last updated
Aug 22, 2026
Releases, last 12 months
…

Questions about Change class in viewport

How many websites use Change class in viewport?

Change class in viewport is active on 50+ WordPress sites, as WordPress.org reports it. WordPress.org rounds the number down, so the real count is somewhat higher. That makes it the #20,299 most popular plugin on WordPress.org.

How many times has Change class in viewport been downloaded?

2,945 times in total since 2021. On a typical day it’s downloaded about 4 times. See download stats

When was Change class in viewport last updated?

Version 0.0.5 came out on Aug 22, 2026 (2 months ago).

Is Change class in viewport compatible with the latest WordPress?

Yes. It’s tested up to WordPress 7.1.4, the current version.

Is Change class in viewport still maintained?

Yes. Its last release was 2 months ago. No support threads were opened in the last two months.

What rating does Change class in viewport have?

5.0 out of 5 from 1 review on WordPress.org.

What are the best alternatives to Change class in viewport?

The plugins most like Change class in viewport, by the tags they share, are Embed Lottie Player (4K+), Animate Blocks (400+) and AKDev Spline animation (100+). Compare all alternatives

Latest reviews

Analyze reviews
All reviews on WordPress.org

Review stats

5.0

★★★★★

1 reviews

  • 5 stars: 1 reviews, 100%
  • 4 stars: 0 reviews, 0%
  • 3 stars: 0 reviews, 0%
  • 2 stars: 0 reviews, 0%
  • 1 stars: 0 reviews, 0%
Positive
100%4–5★
Mixed
0%3★
Critical
0%1–2★

Compare with competitors

Add up to 1 competitor. No account needed.

Starter · 1 competitor
Change class in viewport
Suggested:
Metric
Change class in viewport
Estimated installs≈ 56
Reported installs50+
Rating5.0
Reviews1
Total downloads2.9K
AuthorJose Mortellaro
First releasedJul 26, 2021
Version0.0.5
Requires WP4.6
Requires PHP5.6
Last updatedAug 22, 2026

Alternatives to Change class in viewport

Compare all alternatives

Popular plugins with the same tags, the most in common first.

Side by side:Change class in viewport vs Embed Lottie PlayerChange class in viewport vs Animate BlocksChange class in viewport vs AKDev Spline animation

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