LazySizes
What is LazySizes?
LazySizes belongs to JavaScript libraries and Performance categories.
LazySizes is a lightweight, feature-rich JavaScript library used for lazy loading images, iframes, scripts, and other resources. It intelligently loads content only when it's about to enter the viewport, significantly improving page load times and reducing bandwidth usage. LazySizes is highly configurable and works...
LazySizes Performance Insights
1092 websites
Websites using LazySizes
Last 30 days uptimeⓘ
99.836%
59
Performance
83
Accessibility
88
Best Practices
91
SEO
LazySizes friendly technologies
jQuery
Google Analytics
Open Graph
HSTS
Cart Functionality
Google Font API
core-js
MySQL
PHP
Google Tag Manager
Who Uses LazySizes?
Monthly Visits
1.8k
Top Country
United States
Page Load Time
3.45s
User Demographics
Competitive Advantage
LazySizes delivers faster loading speeds on budget hardware; vital for diverse, busy professionals accessing news.
User demographics for sites using LazySizes
Education level
Bachelor's
Occupation
Professionals
Race & ethnicity
All
Brand affinity
Value-oriented
Political leaning
Not applicable
Tech savviness
Intermediate
User Demographics
Competitive Advantage
LazySizes delivers faster loading speeds on budget hardware; vital for diverse, busy professionals accessing news.
User demographics for sites using LazySizes
Education level
Bachelor's
Occupation
Professionals
Race & ethnicity
All
Brand affinity
Value-oriented
Political leaning
Not applicable
Tech savviness
Intermediate
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Instant.Page
13 websites|13 uptime cardsInstant.Page is a lightweight JavaScript library that uses just-in-time preloading to make website navigation faster.
Intersection Observer
1 website|1 uptime cardIntersection Observer is a browser API that efficiently detects when an element enters or leaves the viewport, useful for implementing lazy loading and infinite scrolling.