Skip to content

American Express vs Cart Functionality

Based on 10 and 632 real audits

View American Express details | View Cart Functionality details
MetricAmerican ExpressCart FunctionalityWinner
Performance5040American Express
Accessibility8587Cart Functionality
Best Practices9185American Express
SEO9290American Express
Security7768American Express
TTFB331ms414msAmerican Express
Composite7874American Express
Performance
American Express
50
Cart Functionality
40
Accessibility
American Express
85
Cart Functionality
87
Security
American Express
77
Cart Functionality
68
SEO
American Express
92
Cart Functionality
90
Composite
American Express
78
Cart Functionality
74

American Express outperforms Cart Functionality in 6 of 7 categories, with a stronger composite score (78 vs 74). Cart Functionality leads in accessibility.

When to choose American Express

Choose American Express 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 Cart Functionality

Choose Cart Functionality when your primary concern is accessibility. 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 632 audited Cart Functionality 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 Cart Functionality?
Based on real BeaverCheck audits, American Express sites score higher on Lighthouse performance (50 vs 40 on average).
Which has better security, American Express or Cart Functionality?
American Express sites score higher on security analysis (77 vs 68 on average).
Which has better accessibility, American Express or Cart Functionality?
Accessibility scores measured by Lighthouse WCAG 2.1 checks favor Cart Functionality (87 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 Cart Functionality?
American Express 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), American Express or Cart Functionality?
American Express sites show lower Time to First Byte (331 ms vs 414 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 Cart Functionality for my website?
Both platforms have trade-offs. American Express 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.
Audit your own site

Send Feedback