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Astro vs HTTP/3

Based on 53 and 1395 real audits

View Astro details | View HTTP/3 details
MetricAstroHTTP/3Winner
Performance5350Astro
Accessibility9288Astro
Best Practices9188Astro
SEO9490Astro
Security6768HTTP/3
TTFB321ms283msHTTP/3
Composite7675Astro
Performance
Astro
53
HTTP/3
50
Accessibility
Astro
92
HTTP/3
88
Security
Astro
67
HTTP/3
68
SEO
Astro
94
HTTP/3
90
Composite
Astro
76
HTTP/3
75

Astro outperforms HTTP/3 in 5 of 7 categories, with a stronger composite score (76 vs 75). HTTP/3 leads in security, TTFB.

When to choose Astro

Choose Astro when your primary concern is accessibility and SEO. Its audit data shows consistent strength in these areas across the sampled sites.

When to choose HTTP/3

Choose HTTP/3 when your primary concern is server response time and security. Its audit data shows consistent strength in these areas across the sampled sites.

How this comparison was built

Scores are medians across 53 audited Astro sites and 1395 audited HTTP/3 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, Astro or HTTP/3?
Based on real BeaverCheck audits, Astro sites score higher on Lighthouse performance (53 vs 50 on average).
Which has better security, Astro or HTTP/3?
HTTP/3 sites score higher on security analysis (68 vs 67 on average).
Which has better accessibility, Astro or HTTP/3?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Astro (92 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, Astro or HTTP/3?
Astro sites score higher on Lighthouse SEO signals (94 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), Astro or HTTP/3?
HTTP/3 sites show lower Time to First Byte (283 ms vs 321 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 Astro or HTTP/3 for my website?
Both platforms have trade-offs. Astro scores higher on overall composite score while Astro 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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