Compare
Firefox and Opera
| Difference | |||
|---|---|---|---|
| Overall score | 92Excellent | 90Excellent | |
| Performance | 89 · Very good | 85 · Very good | |
| SEO | 92 · Excellent | 93 · Excellent | |
| Accessibility | 100 · Excellent | 100 · Excellent | |
| Security | 86 · Very good | 85 · Very good | |
| Reliability | 100 · Excellent | 92 · Excellent | |
| Evidence | Authoritative · 100% | Authoritative · 95% | |
| AI crawlers allowed | Not measured | Not measured | |
| Category | Web Browsers | Web Browsers | |
| Pricing | |||
| Platforms | |||
| Measured |
Firefox: 12 weeks
19 Oct92
| 12 Oct 2026 | 91 |
|---|---|
| 19 Oct 2026 | 92 |
Opera: 12 weeks
19 Oct90
| 12 Oct 2026 | 79 |
|---|---|
| 19 Oct 2026 | 90 |