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HSTS vs jsDelivr CDN

Based on 2601 and 353 real audits

MetricHSTSjsDelivr CDNWinner
Performance4738HSTS
Accessibility8888Tie
Best Practices8786HSTS
SEO9091jsDelivr CDN
Security7065HSTS
TTFB364ms360msjsDelivr CDN
Composite7573HSTS
Performance
HSTS
47
jsDelivr CDN
38
Accessibility
HSTS
88
jsDelivr CDN
88
Security
HSTS
70
jsDelivr CDN
65
SEO
HSTS
90
jsDelivr CDN
91
Composite
HSTS
75
jsDelivr CDN
73

HSTS outperforms jsDelivr CDN in 4 of 7 categories, with a stronger composite score (75 vs 73). jsDelivr CDN leads in SEO, TTFB.

When to choose HSTS

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

When to choose jsDelivr CDN

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

How this comparison was built

Scores are medians across 2601 audited HSTS sites and 353 audited jsDelivr CDN 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 jsDelivr CDN?
Based on real BeaverCheck audits, HSTS sites score higher on Lighthouse performance (47 vs 38 on average).
Which has better security, HSTS or jsDelivr CDN?
HSTS sites score higher on security analysis (70 vs 65 on average).
Which has better accessibility, HSTS or jsDelivr CDN?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor HSTS (88 vs 88). 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 jsDelivr CDN?
jsDelivr CDN sites score higher on Lighthouse SEO signals (91 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 jsDelivr CDN?
jsDelivr CDN sites show lower Time to First Byte (360 ms vs 364 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 jsDelivr CDN 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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