Skip to content

LazySizes vs SuperPWA

Based on 246 and 1 real audits

View LazySizes details | View SuperPWA details
MetricLazySizesSuperPWAWinner
Performance4467SuperPWA
Accessibility8794SuperPWA
Best Practices87100SuperPWA
SEO9292Tie
Security6460LazySizes
TTFB427ms693msLazySizes
Composite7476SuperPWA
Performance
LazySizes
44
SuperPWA
67
Accessibility
LazySizes
87
SuperPWA
94
Security
LazySizes
64
SuperPWA
60
SEO
LazySizes
92
SuperPWA
92
Composite
LazySizes
74
SuperPWA
76

SuperPWA outperforms LazySizes in 4 of 7 categories, with a stronger composite score (76 vs 74). LazySizes leads in security, TTFB.

When to choose LazySizes

Choose LazySizes when your primary concern is server response time and security. Its audit data shows consistent strength in these areas across the sampled sites.

When to choose SuperPWA

Choose SuperPWA when your primary concern is performance and best practices. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 246 audited LazySizes sites and 1 audited SuperPWA sites in the BeaverCheck database. Every audit runs the same 100+ checks — Lighthouse performance, security headers, accessibility, SEO, server response time — against a real URL. No vendor input, no sponsorship, no affiliate links. Read the full methodology →

Small sample: one or both technologies have fewer than 10 audited sites. Treat these numbers as directional — medians stabilize around 20–30 audits per side.

FAQ

Which is faster, LazySizes or SuperPWA?
Based on real BeaverCheck audits, SuperPWA sites score higher on Lighthouse performance (67 vs 44 on average).
Which has better security, LazySizes or SuperPWA?
LazySizes sites score higher on security analysis (64 vs 60 on average).
Which has better accessibility, LazySizes or SuperPWA?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor SuperPWA (94 vs 87). Both technologies can be made fully accessible with care — the difference reflects common patterns in the sampled sites, not inherent platform limits.
Which is better for SEO, LazySizes or SuperPWA?
LazySizes sites score higher on Lighthouse SEO signals (92 vs 92 on average), which cover meta tags, crawlability, mobile friendliness, and structured data. Content strategy and backlinks still matter more than platform choice for ranking.
Which has faster server response (TTFB), LazySizes or SuperPWA?
LazySizes sites show lower Time to First Byte (427 ms vs 693 ms on average). TTFB depends heavily on hosting and CDN setup rather than the technology itself, but the sampled sites suggest a meaningful difference in common deployment patterns.
Should I choose LazySizes or SuperPWA for my website?
Both platforms have trade-offs. SuperPWA scores higher on overall composite score while LazySizes may excel in metrics you care about most. Run a free BeaverCheck audit on a real site using each to compare the metrics relevant to your use case.
Audit your own site

Send Feedback