| Metric | Fastly | Firebase | Winner |
|---|---|---|---|
| Performance | 46 | 47 | Firebase |
| Accessibility | 91 | 85 | Fastly |
| Best Practices | 89 | 88 | Fastly |
| SEO | 92 | 91 | Fastly |
| Security | 66 | 65 | Fastly |
| TTFB | 148ms | 265ms | Fastly |
| Composite | 74 | 73 | Fastly |
Fastly outperforms Firebase in 6 of 7 categories, with a stronger composite score (74 vs 73). Firebase leads in performance.
Choose Fastly when your primary concern is server response time and accessibility. Its audit data shows consistent strength in these areas across the sampled sites.
Choose Firebase when your primary concern is performance. Its audit data shows consistent strength in these areas across the sampled sites.
Scores are medians across 380 audited Fastly sites and 24 audited Firebase 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 →
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