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HSTS vs Lozad.js

Based on 2858 and 13 real audits

View HSTS details | View Lozad.js details
MetricHSTSLozad.jsWinner
Performance5039HSTS
Accessibility8986HSTS
Best Practices8885HSTS
SEO9187HSTS
Security7165HSTS
TTFB368ms418msHSTS
Composite7672HSTS
Performance
HSTS
50
Lozad.js
39
Accessibility
HSTS
89
Lozad.js
86
Security
HSTS
71
Lozad.js
65
SEO
HSTS
91
Lozad.js
87
Composite
HSTS
76
Lozad.js
72

HSTS outperforms Lozad.js in 7 of 7 categories, with a stronger composite score (76 vs 72). Lozad.js 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 Lozad.js

Lozad.js 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 2858 audited HSTS sites and 13 audited Lozad.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, HSTS or Lozad.js?
Based on real BeaverCheck audits, HSTS sites score higher on Lighthouse performance (50 vs 39 on average).
Which has better security, HSTS or Lozad.js?
HSTS sites score higher on security analysis (71 vs 65 on average).
Which has better accessibility, HSTS or Lozad.js?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor HSTS (89 vs 86). 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 Lozad.js?
HSTS sites score higher on Lighthouse SEO signals (91 vs 87 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 Lozad.js?
HSTS sites show lower Time to First Byte (368 ms vs 418 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 Lozad.js 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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