Find out why Cookie Banners can ruin your site's performance.
Cookie Bench is an open source benchmarking tool that measures and analyzes how third-party components, libraries, and services impact web performance.
Cookie Banner Leaderboard
Application | Score | Banner Visibility | Network Impact | Bundle Strategy | Viewport Coverage | FCP | LCP | CLS | |
|---|---|---|---|---|---|---|---|---|---|
| 1. |  c15twith-c15t-nextjs | 95 | 110ms | 0 bytes | Bundled | 12.5% | 29ms | 29ms | 0.000 |
| 2. | c15twith-c15t-react | 95 | 135ms | 0 bytes | Bundled | 12.5% | 22ms | 22ms | 0.000 |
| 3. |  Osanowith-osano | 72 | 229ms | 249bytes | IIFE | 24.2% | 106ms | 106ms | 0.000 |
| 4. |  Didomiwith-didomi | 70 | 262ms | 388bytes | Bundled | 11.8% | 29ms | 29ms | 0.000 |
| 5. |  Cookie Controlwith-cookie-control | 67 | 229ms | 335bytes | IIFE | 40.6% | 124ms | 124ms | 0.000 |
| 6. |  Enzuzowith-enzuzo | 66 | 243ms | 476bytes | IIFE | 7.2% | 233ms | 233ms | 0.000 |
| 7. |  Iubendawith-iubenda | 64 | 335ms | 370bytes | IIFE | 25.6% | 27ms | 347ms | 0.000 |
| 8. |  Ketchwith-ketch | 64 | 509ms | 1KB | IIFE | 51.3% | 23ms | 23ms | 0.001 |
| 9. |  Usercentricswith-usercentrics | 62 | 505ms | 45bytes | IIFE | 11.8% | 99ms | 619ms | 0.000 |
| 10. |  Onetrustwith-onetrust | 61 | 695ms | 488bytes | IIFE | 23.6% | 28ms | 692ms | 0.000 |
| 11. |  CookieYeswith-cookie-yes | 51 | 1.5s | 198bytes | IIFE | 10.0% | 647ms | 1.7s | 0.000 |