lazysizes
v1.3.3by Patrick Sletvold · updated 6 years ago
High performance and SEO friendly lazy loader for images, iframes and more. Many features, like low-res Blurhash placeholders and image fade-in
- Rank
- #8,348
- No change0 vs yesterday
- Active installs (est.)
- ≈ 633
- 600+ reported · High
- Total downloads
- 18.8K
- 18,810 all-time
- Rating
- 5.0/5
- 6 reviews
- Support resolved
- –
- 0 of 0 threads, last 2 months
lazysizes at a glance
lazysizes is a WordPress plugin by Patrick Sletvold with 600+ active installs, the #8,348 most popular plugin on WordPress.org. On a typical day it’s downloaded about 6 times, 20% more than the month before. It’s rated 5.0 out of 5 from 6 reviews. Version 1.3.3 came out on Aug 13, 2020, more than 6 years ago. It is tested up to WordPress 5.5.24. Among the 2 plugins tagged “lazysizes”, it ranks #2. It was first released in 2017.
Chart time range
Applies to every chart below. History from Oct 10, 2026, 30 days.
Downloads over time
Download stats163 downloads · the last 30 days
View as table
| Date | lazysizes |
|---|---|
| Nov 5, 2026 | 2 |
| Nov 4, 2026 | 6 |
| Nov 3, 2026 | 6 |
| Nov 2, 2026 | 8 |
| Nov 1, 2026 | 11 |
| Oct 31, 2026 | 10 |
| Oct 30, 2026 | 5 |
| Oct 29, 2026 | 8 |
| Oct 28, 2026 | 6 |
| Oct 27, 2026 | 11 |
| Oct 26, 2026 | 9 |
| Oct 25, 2026 | 5 |
| Oct 24, 2026 | 6 |
| Oct 23, 2026 | 2 |
| Oct 22, 2026 | 6 |
| Oct 21, 2026 | 7 |
| Oct 20, 2026 | 4 |
| Oct 19, 2026 | 7 |
| Oct 18, 2026 | 4 |
| Oct 17, 2026 | 6 |
| Oct 16, 2026 | 6 |
| Oct 15, 2026 | 3 |
| Oct 14, 2026 | 5 |
| Oct 13, 2026 | 9 |
| Oct 12, 2026 | 1 |
| Oct 11, 2026 | 3 |
| Oct 10, 2026 | 7 |
Unusual spikes are usually updates, not new installs.
Estimated installs
≈ 635 · -0.9% in the last 30 days
View as table
| Date | Estimated installs |
|---|---|
| Nov 8, 2026 | 635 |
| Nov 7, 2026 | 633 |
| Nov 5, 2026 | 632 |
| Nov 4, 2026 | 633 |
| Nov 3, 2026 | 635 |
| Nov 2, 2026 | 634 |
| Nov 1, 2026 | 634 |
| Oct 31, 2026 | 633 |
| Oct 30, 2026 | 634 |
| Oct 29, 2026 | 633 |
| Oct 28, 2026 | 634 |
| Oct 27, 2026 | 641 |
Rank over time
#8,348 · up 22 in the last 30 days
View as table
| Date | Daily snapshot |
|---|---|
| Nov 9, 2026 | #8,348 |
| Nov 8, 2026 | #8,348 |
| Nov 7, 2026 | #8,373 |
| Nov 6, 2026 | #8,371 |
| Nov 5, 2026 | #8,362 |
| Nov 4, 2026 | #8,351 |
| Nov 3, 2026 | #8,335 |
| Nov 2, 2026 | #8,350 |
| Nov 1, 2026 | #8,348 |
| Oct 31, 2026 | #8,357 |
| Oct 30, 2026 | #8,353 |
| Oct 29, 2026 | #8,370 |
| Oct 28, 2026 | #8,374 |
| Oct 27, 2026 | #8,370 |
Growth %
Average -0.08% a day in the last 30 days
View as table
| Date | Growth |
|---|---|
| Nov 8, 2026 | +0.32% |
| Nov 7, 2026 | +0.08% |
| Nov 5, 2026 | -0.16% |
| Nov 4, 2026 | -0.32% |
| Nov 3, 2026 | +0.16% |
| Nov 2, 2026 | 0.00% |
| Nov 1, 2026 | +0.16% |
| Oct 31, 2026 | -0.16% |
| Oct 30, 2026 | +0.16% |
| Oct 29, 2026 | -0.16% |
| Oct 28, 2026 | -1.09% |
Active installs band
600+ on WordPress.org
View as table
| Date | Daily snapshot |
|---|---|
| Nov 9, 2026 | 600+ |
| Nov 8, 2026 | 600+ |
| Nov 7, 2026 | 600+ |
| Nov 6, 2026 | 600+ |
| Nov 5, 2026 | 600+ |
| Nov 4, 2026 | 600+ |
| Nov 3, 2026 | 600+ |
| Nov 2, 2026 | 600+ |
| Nov 1, 2026 | 600+ |
| Oct 31, 2026 | 600+ |
| Oct 30, 2026 | 600+ |
| Oct 29, 2026 | 600+ |
| Oct 28, 2026 | 600+ |
| Oct 27, 2026 | 600+ |
Search rankings
Where it appears in WordPress.org search for the searches you track, checked every day.
See where lazysizes ranks in search
Track this plugin to check its position for the searches you choose, daily, with an alert when it moves.
Change log
From our daily snapshot of WordPress.org- Rank #8374 → #8362Downloads +0%
- Tested up to 5.5.23 → 5.5.24
Versions in use
Share of active installs on each published version, from WordPress.org.
- v1.392%
- Other8.5%
Rating trend
5.0★★★★★6 reviews · steady in the last 30 days
Requirements & info
Version history- Version
- 1.3.3
- Requires WordPress
- 3.9
- Tested up to
- 5.5.24
- Requires PHP
- 5.6
- First released
- Nov 2, 2017
- Last updated
- Aug 13, 2020
- Releases, last 12 months
- …
Questions about lazysizes
How many websites use lazysizes?
lazysizes is active on 600+ WordPress sites, as WordPress.org reports it. WordPress.org rounds the number down, so the real count is somewhat higher. That makes it the #8,348 most popular plugin on WordPress.org.
How many times has lazysizes been downloaded?
18,810 times in total since 2017. On a typical day it’s downloaded about 6 times. See download stats
When was lazysizes last updated?
Version 1.3.3 came out on Aug 13, 2020 (6 years ago).
Is lazysizes compatible with the latest WordPress?
lazysizes’s readme says it’s tested up to WordPress 5.5.24, while the current version is 7.1. That doesn’t mean it breaks, but its author hasn’t confirmed it works with the latest releases.
Is lazysizes still maintained?
Its last release was 6 years ago, so it may no longer be actively maintained. No support threads were opened in the last two months.
What rating does lazysizes have?
5.0 out of 5 from 6 reviews on WordPress.org. 100% of them give 5 stars.
What are the best alternatives to lazysizes?
The plugins most like lazysizes, by the tags they share, are Image Prioritizer (40K+), EWWW Image Optimizer (1M+) and Image Optimizer (1M+). Compare all alternatives
Latest reviews
Analyze reviewsReview stats
5.0
★★★★★
6 reviews
- 5 stars: 6 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.
| Metric | |
|---|---|
| Estimated installs | ≈ 633 |
| Reported installs | 600+ |
| Rating | 5.0 |
| Reviews | 6 |
| Total downloads | 18.8K |
| Author | Patrick Sletvold |
| First released | Nov 2, 2017 |
| Version | 1.3.3 |
| Requires WP | 3.9 |
| Requires PHP | 5.6 |
| Last updated | Aug 13, 2020 |
Alternatives to lazysizes
Compare all alternativesPopular plugins with the same tags, the most in common first.
Image Prioritizer
by WordPress Performance Team
Prioritizes the loading of images and videos based on how they appear to actual visitors: adds fetchpriority, preloads, lazy-loads, and sets sizes.
- Rank
- #824
- Installs
- 40K+
- 5.0
EWWW Image Optimizer
by Shane Bishop
Comprehensive image optimization with WebP, AVIF, Lazy Load, and more. Optimize images automatically for Faster Sites and Happy Visitors.
- Rank
- #59
- Installs
- 1M+
- 4.8
Image Optimizer
by Elementor
Image Optimizer is an easy-to-use WordPress plugin that reduces image size through various compression and resizing techniques – all of which preserve …
- Rank
- #58
- Installs
- 1M+
- 1.7
Speed Optimizer
by SiteGround
Boost your website performance and page speed, and increase conversions with powerful caching, frontend, media, and environment optimizations.
- Rank
- #44
- Installs
- 1M+
- 4.2
Jetpack Boost
by Automattic
Speed up your WordPress site with one-click optimizations like Page Cache, Critical CSS, and Image CDN to improve Core Web Vitals.
- Rank
- #245
- Installs
- 200K+
- 4.7
Menu Image, Icons made easy
by Rui Guerreiro
Adds an image or icon in the menu items. You can choose the position of the image (after, before, above, below) or even hide the menu item title.
- Rank
- #408
- Installs
- 100K+
- 4.5
Side by side:lazysizes vs Image Prioritizerlazysizes vs EWWW Image Optimizerlazysizes vs Image Optimizer
More by Patrick Sletvold
See everything by Patrick SletvoldOther plugins from this author in our catalog.
Content Security Policy Manager
by Patrick Sletvold
Plugin for configuring Content Security Policy headers for your site. Allows different CSP headers for admin, logged inn frontend and regular visitors
- Rank
- #4,847
- Installs
- 2K+
- 4.3
Difficulty Taxonomy
by Patrick Sletvold
The Difficulty Taxonomy plugin adds a basic taxonomy for sorting posts into different difficulties.
- Rank
- –
- Installs
- Fewer than 10