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Category: JavaScript libraries

LazySizes

Based on 290 real audits

44
Avg. Performance
86
Avg. Accessibility
87
Avg. Best Practices
92
Avg. SEO
67
Avg. Security
75
Avg. Composite
44 /100
Avg. Performance
439 ms
Avg. TTFB
75 /100
Avg. Composite
290
Sites Audited

How LazySizes sites compare

LazySizes sites tend to score below average on performance (44/100), compared to the global average of 65/100.

Recent Audits

View adoption trends → See all 271 websites using LazySizes →
SitePerformanceGradeAudited
www.minicabit.com21B2026-10-16
Eurosam.com31B2026-10-10
renaissancejewel.com26C2026-10-05
sitiscommesse.com59B2026-10-02
renaissancejewel.com27C2026-09-29
vishalperipherals.com34C2026-09-28
Evidi.dk65B2026-09-27
mirandawater.com43B2026-09-21
vishalperipherals.com35C2026-09-18
vishalperipherals.com29C2026-09-18

Commonly Used With

Sites that use LazySizes also commonly use:

Open Graph Miscellaneous 263Google Tag Manager Tag managers 223Google Search Console Analytics 219jQuery JavaScript libraries 216Google Analytics Analytics 177core-js JavaScript libraries 153Cloudflare CDN 151Microsoft Analytics 133HSTS Security 119Google Font API Font scripts 118

Compare with...

LazySizes vs Open GraphLazySizes vs Google Tag ManagerLazySizes vs Google Search ConsoleLazySizes vs jQueryLazySizes vs Google AnalyticsLazySizes vs core-jsLazySizes vs CloudflareLazySizes vs MicrosoftLazySizes vs HSTSLazySizes vs Google Font API

FAQ

What is the average Lighthouse performance score for LazySizes sites?
Based on 290 real audits, LazySizes sites score an average of 44/100 on Lighthouse performance.
How does LazySizes compare on web security?
LazySizes sites score an average security grade of 67/100 in BeaverCheck audits.
What is the average page load time for LazySizes websites?
The average Time to First Byte (TTFB) for LazySizes sites is 439ms based on 290 audits.
How can I improve my LazySizes site's performance?
Run a free audit on BeaverCheck to get specific recommendations for your LazySizes site. Common issues include render-blocking resources, unoptimized images, and missing caching headers.

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