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Modernizr vs parallax.js

Based on 315 and 38 real audits

View Modernizr details | View parallax.js details
MetricModernizrparallax.jsWinner
Performance4446parallax.js
Accessibility8588parallax.js
Best Practices8792parallax.js
SEO9093parallax.js
Security6673parallax.js
TTFB420ms648msModernizr
Composite7477parallax.js
Performance
Modernizr
44
parallax.js
46
Accessibility
Modernizr
85
parallax.js
88
Security
Modernizr
66
parallax.js
73
SEO
Modernizr
90
parallax.js
93
Composite
Modernizr
74
parallax.js
77

parallax.js outperforms Modernizr in 6 of 7 categories, with a stronger composite score (77 vs 74). Modernizr leads in TTFB.

When to choose Modernizr

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

When to choose parallax.js

Choose parallax.js when your primary concern is security 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 315 audited Modernizr sites and 38 audited parallax.js 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 →

FAQ

Which is faster, Modernizr or parallax.js?
Based on real BeaverCheck audits, parallax.js sites score higher on Lighthouse performance (46 vs 44 on average).
Which has better security, Modernizr or parallax.js?
parallax.js sites score higher on security analysis (73 vs 66 on average).
Which has better accessibility, Modernizr or parallax.js?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor parallax.js (88 vs 85). 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, Modernizr or parallax.js?
parallax.js sites score higher on Lighthouse SEO signals (93 vs 90 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), Modernizr or parallax.js?
Modernizr sites show lower Time to First Byte (420 ms vs 648 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 Modernizr or parallax.js for my website?
Both platforms have trade-offs. parallax.js scores higher on overall composite score while Modernizr 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.
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