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HSTS vs Modernizr

Based on 3294 and 302 real audits

View HSTS details | View Modernizr details
MetricHSTSModernizrWinner
Performance5344HSTS
Accessibility9085HSTS
Best Practices8987HSTS
SEO9290HSTS
Security7366HSTS
TTFB403ms416msHSTS
Composite7874HSTS
Performance
HSTS
53
Modernizr
44
Accessibility
HSTS
90
Modernizr
85
Security
HSTS
73
Modernizr
66
SEO
HSTS
92
Modernizr
90
Composite
HSTS
78
Modernizr
74

HSTS outperforms Modernizr in 7 of 7 categories, with a stronger composite score (78 vs 74). Modernizr leads in no categories.

When to choose HSTS

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

When to choose Modernizr

Modernizr doesn't clearly lead HSTS in any category on the sampled sites — pick it based on developer experience, ecosystem, or existing team skills rather than the audit scores.

How this comparison was built

Scores are medians across 3294 audited HSTS sites and 302 audited Modernizr 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, HSTS or Modernizr?
Based on real BeaverCheck audits, HSTS sites score higher on Lighthouse performance (53 vs 44 on average).
Which has better security, HSTS or Modernizr?
HSTS sites score higher on security analysis (73 vs 66 on average).
Which has better accessibility, HSTS or Modernizr?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor HSTS (90 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, HSTS or Modernizr?
HSTS sites score higher on Lighthouse SEO signals (92 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), HSTS or Modernizr?
HSTS sites show lower Time to First Byte (403 ms vs 416 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 HSTS or Modernizr for my website?
Both platforms have trade-offs. HSTS scores higher on overall composite score while HSTS 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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