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American Express vs HTTP/3

Based on 10 and 1827 real audits

View American Express details | View HTTP/3 details
MetricAmerican ExpressHTTP/3Winner
Performance5054HTTP/3
Accessibility8589HTTP/3
Best Practices9189American Express
SEO9291American Express
Security7772American Express
TTFB331ms324msHTTP/3
Composite7877American Express
Performance
American Express
50
HTTP/3
54
Accessibility
American Express
85
HTTP/3
89
Security
American Express
77
HTTP/3
72
SEO
American Express
92
HTTP/3
91
Composite
American Express
78
HTTP/3
77

American Express outperforms HTTP/3 in 4 of 7 categories, with a stronger composite score (78 vs 77). HTTP/3 leads in performance, accessibility, TTFB.

When to choose American Express

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

How this comparison was built

Scores are medians across 10 audited American Express sites and 1827 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, American Express or HTTP/3?
Based on real BeaverCheck audits, HTTP/3 sites score higher on Lighthouse performance (54 vs 50 on average).
Which has better security, American Express or HTTP/3?
American Express sites score higher on security analysis (77 vs 72 on average).
Which has better accessibility, American Express or HTTP/3?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor HTTP/3 (89 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, American Express or HTTP/3?
American Express sites score higher on Lighthouse SEO signals (92 vs 91 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), American Express or HTTP/3?
HTTP/3 sites show lower Time to First Byte (324 ms vs 331 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 American Express or HTTP/3 for my website?
Both platforms have trade-offs. HTTP/3 scores higher on overall composite score while American Express 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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