# CookieBench Full Dataset > Complete benchmark data for every cookie banner / consent management platform tested by CookieBench. Use this file when you need the raw scores and metrics inline; for narrative comparison and per-CMP deep dives, see /llms.txt and the per-CMP markdown pages. - Source: https://cookiebench.com - Curated summary: https://cookiebench.com/llms.txt - CMPs tested: 12 ## Leaderboard | Rank | CMP | Score | Grade | Bundle | FCP | LCP | CLS | Total Size | |---:|---|---:|---|---|---:|---:|---:|---:| | 1 | c15t | 95 | Excellent | Bundled | 63ms | 63ms | 0.000 | 592bytes | | 2 | c15t | 95 | Excellent | Bundled | 30ms | 30ms | 0.000 | 593bytes | | 3 | Ethyca | 76 | Fair | IIFE script | 25ms | 25ms | 0.000 | 552bytes | | 4 | Osano | 72 | Fair | IIFE script | 114ms | 114ms | 0.000 | 637bytes | | 5 | Didomi | 71 | Fair | Bundled | 47ms | 47ms | 0.000 | 1021bytes | | 6 | Cookie Control | 69 | Poor | IIFE script | 64ms | 64ms | 0.000 | 714bytes | | 7 | CookieYes | 66 | Poor | IIFE script | 147ms | 281ms | 0.000 | 479bytes | | 8 | Iubenda | 66 | Poor | IIFE script | 30ms | 212ms | 0.000 | 799bytes | | 9 | Enzuzo | 65 | Poor | IIFE script | 253ms | 253ms | 0.000 | 868bytes | | 10 | Ketch | 64 | Poor | IIFE script | 36ms | 36ms | 0.001 | 7KB | | 11 | Usercentrics | 63 | Poor | IIFE script | 98ms | 566ms | 0.000 | 710bytes | | 12 | Onetrust | 62 | Poor | IIFE script | 27ms | 491ms | 0.000 | 1KB | ## Per-CMP Detail ### c15t - HTML: https://cookiebench.com/benchmarks/with-c15t-nextjs/score - Score markdown: https://cookiebench.com/benchmarks/with-c15t-nextjs/score.md - Network markdown: https://cookiebench.com/benchmarks/with-c15t-nextjs/network.md - Bundling markdown: https://cookiebench.com/benchmarks/with-c15t-nextjs/bundling.md - Vendor: https://c15t.com - Rank: #1 - Score: 95/100 (Excellent) - Bundle strategy: Bundled - FCP: 63ms - LCP: 63ms - CLS: 0.000 - TTI: 1s - Total page size: 592bytes - Third-party size: 0bytes - Banner visibility time: 89ms - Banner viewport coverage: 1250% - Insights: - Outstanding performance metrics across all Core Web Vitals. - Excellent bundle strategy - first-party bundling reduces network overhead and improves reliability. - Open source solution provides transparency and community-driven development. - Zero third-party dependencies minimize privacy concerns and improve reliability. ### c15t - HTML: https://cookiebench.com/benchmarks/with-c15t-react/score - Score markdown: https://cookiebench.com/benchmarks/with-c15t-react/score.md - Network markdown: https://cookiebench.com/benchmarks/with-c15t-react/network.md - Bundling markdown: https://cookiebench.com/benchmarks/with-c15t-react/bundling.md - Vendor: https://c15t.com - Rank: #2 - Score: 95/100 (Excellent) - Bundle strategy: Bundled - FCP: 30ms - LCP: 30ms - CLS: 0.000 - TTI: 1.1s - Total page size: 593bytes - Third-party size: 0bytes - Banner visibility time: 148ms - Banner viewport coverage: 1250% - Insights: - Outstanding performance metrics across all Core Web Vitals. - Excellent bundle strategy - first-party bundling reduces network overhead and improves reliability. - Open source solution provides transparency and community-driven development. - Zero third-party dependencies minimize privacy concerns and improve reliability. ### Ethyca - HTML: https://cookiebench.com/benchmarks/with-ethyca/score - Score markdown: https://cookiebench.com/benchmarks/with-ethyca/score.md - Network markdown: https://cookiebench.com/benchmarks/with-ethyca/network.md - Bundling markdown: https://cookiebench.com/benchmarks/with-ethyca/bundling.md - Vendor: https://ethyca.com - Rank: #3 - Score: 76/100 (Fair) - Bundle strategy: IIFE script - FCP: 25ms - LCP: 25ms - CLS: 0.000 - TTI: 1.1s - Total page size: 552bytes - Third-party size: 168bytes - Banner visibility time: 171ms - Banner viewport coverage: 2914% - Insights: - Outstanding performance metrics across all Core Web Vitals. - Consider bundling strategy to reduce third-party dependencies and improve performance. - Open source solution provides transparency and community-driven development. ### Osano - HTML: https://cookiebench.com/benchmarks/with-osano/score - Score markdown: https://cookiebench.com/benchmarks/with-osano/score.md - Network markdown: https://cookiebench.com/benchmarks/with-osano/network.md - Bundling markdown: https://cookiebench.com/benchmarks/with-osano/bundling.md - Vendor: https://Osano.com - Rank: #4 - Score: 72/100 (Fair) - Bundle strategy: IIFE script - FCP: 114ms - LCP: 114ms - CLS: 0.000 - TTI: 1.2s - Total page size: 637bytes - Third-party size: 253bytes - Banner visibility time: 214ms - Banner viewport coverage: 2417% - Insights: - Consider bundling strategy to reduce third-party dependencies and improve performance. - Open source solution provides transparency and community-driven development. ### Didomi - HTML: https://cookiebench.com/benchmarks/with-didomi/score - Score markdown: https://cookiebench.com/benchmarks/with-didomi/score.md - Network markdown: https://cookiebench.com/benchmarks/with-didomi/network.md - Bundling markdown: https://cookiebench.com/benchmarks/with-didomi/bundling.md - Vendor: https://didomi.io - Rank: #5 - Score: 71/100 (Fair) - Bundle strategy: Bundled - FCP: 47ms - LCP: 47ms - CLS: 0.000 - TTI: 1s - Total page size: 1021bytes - Third-party size: 395bytes - Banner visibility time: 250ms - Banner viewport coverage: 0% - Insights: - Outstanding performance metrics across all Core Web Vitals. - Consider bundling strategy to reduce third-party dependencies and improve performance. - Consider open source alternatives for better transparency and community support. ### Cookie Control - HTML: https://cookiebench.com/benchmarks/with-cookie-control/score - Score markdown: https://cookiebench.com/benchmarks/with-cookie-control/score.md - Network markdown: https://cookiebench.com/benchmarks/with-cookie-control/network.md - Bundling markdown: https://cookiebench.com/benchmarks/with-cookie-control/bundling.md - Vendor: https://www.civicuk.com/cookie-control/ - Rank: #6 - Score: 69/100 (Poor) - Bundle strategy: IIFE script - FCP: 64ms - LCP: 64ms - CLS: 0.000 - TTI: 1.1s - Total page size: 714bytes - Third-party size: 335bytes - Banner visibility time: 139ms - Banner viewport coverage: 4063% - Insights: - Outstanding performance metrics across all Core Web Vitals. - Consider bundling strategy to reduce third-party dependencies and improve performance. - Consider open source alternatives for better transparency and community support. ### CookieYes - HTML: https://cookiebench.com/benchmarks/with-cookie-yes/score - Score markdown: https://cookiebench.com/benchmarks/with-cookie-yes/score.md - Network markdown: https://cookiebench.com/benchmarks/with-cookie-yes/network.md - Bundling markdown: https://cookiebench.com/benchmarks/with-cookie-yes/bundling.md - Vendor: https://www.cookieyes.com - Rank: #7 - Score: 66/100 (Poor) - Bundle strategy: IIFE script - FCP: 147ms - LCP: 281ms - CLS: 0.000 - TTI: 1.2s - Total page size: 479bytes - Third-party size: 70bytes - Banner visibility time: 246ms - Banner viewport coverage: 952% - Insights: - Consider bundling strategy to reduce third-party dependencies and improve performance. - Consider open source alternatives for better transparency and community support. ### Iubenda - HTML: https://cookiebench.com/benchmarks/with-iubenda/score - Score markdown: https://cookiebench.com/benchmarks/with-iubenda/score.md - Network markdown: https://cookiebench.com/benchmarks/with-iubenda/network.md - Bundling markdown: https://cookiebench.com/benchmarks/with-iubenda/bundling.md - Vendor: https://iubenda.com - Rank: #8 - Score: 66/100 (Poor) - Bundle strategy: IIFE script - FCP: 30ms - LCP: 212ms - CLS: 0.000 - TTI: 1.2s - Total page size: 799bytes - Third-party size: 408bytes - Banner visibility time: 241ms - Banner viewport coverage: 2558% - Insights: - Outstanding performance metrics across all Core Web Vitals. - Consider bundling strategy to reduce third-party dependencies and improve performance. - Consider open source alternatives for better transparency and community support. ### Enzuzo - HTML: https://cookiebench.com/benchmarks/with-enzuzo/score - Score markdown: https://cookiebench.com/benchmarks/with-enzuzo/score.md - Network markdown: https://cookiebench.com/benchmarks/with-enzuzo/network.md - Bundling markdown: https://cookiebench.com/benchmarks/with-enzuzo/bundling.md - Vendor: https://www.enzuzo.com/ - Rank: #9 - Score: 65/100 (Poor) - Bundle strategy: IIFE script - FCP: 253ms - LCP: 253ms - CLS: 0.000 - TTI: 1.2s - Total page size: 868bytes - Third-party size: 489bytes - Banner visibility time: 285ms - Banner viewport coverage: 722% - Insights: - Consider bundling strategy to reduce third-party dependencies and improve performance. - Consider open source alternatives for better transparency and community support. ### Ketch - HTML: https://cookiebench.com/benchmarks/with-ketch/score - Score markdown: https://cookiebench.com/benchmarks/with-ketch/score.md - Network markdown: https://cookiebench.com/benchmarks/with-ketch/network.md - Bundling markdown: https://cookiebench.com/benchmarks/with-ketch/bundling.md - Vendor: https://ketch.com - Rank: #10 - Score: 64/100 (Poor) - Bundle strategy: IIFE script - FCP: 36ms - LCP: 36ms - CLS: 0.001 - TTI: 1.7s - Total page size: 7KB - Third-party size: 1KB - Banner visibility time: 709ms - Banner viewport coverage: 5133% - Insights: - Outstanding performance metrics across all Core Web Vitals. - Consider bundling strategy to reduce third-party dependencies and improve performance. - Consider open source alternatives for better transparency and community support. ### Usercentrics - HTML: https://cookiebench.com/benchmarks/with-usercentrics/score - Score markdown: https://cookiebench.com/benchmarks/with-usercentrics/score.md - Network markdown: https://cookiebench.com/benchmarks/with-usercentrics/network.md - Bundling markdown: https://cookiebench.com/benchmarks/with-usercentrics/bundling.md - Vendor: https://www.usercentrics.com - Rank: #11 - Score: 63/100 (Poor) - Bundle strategy: IIFE script - FCP: 98ms - LCP: 566ms - CLS: 0.000 - TTI: 1.1s - Total page size: 710bytes - Third-party size: 45bytes - Banner visibility time: 445ms - Banner viewport coverage: 0% - Insights: - Consider bundling strategy to reduce third-party dependencies and improve performance. - Consider open source alternatives for better transparency and community support. ### Onetrust - HTML: https://cookiebench.com/benchmarks/with-onetrust/score - Score markdown: https://cookiebench.com/benchmarks/with-onetrust/score.md - Network markdown: https://cookiebench.com/benchmarks/with-onetrust/network.md - Bundling markdown: https://cookiebench.com/benchmarks/with-onetrust/bundling.md - Vendor: https://onetrust.com - Rank: #12 - Score: 62/100 (Poor) - Bundle strategy: IIFE script - FCP: 27ms - LCP: 491ms - CLS: 0.000 - TTI: 1.5s - Total page size: 1KB - Third-party size: 518bytes - Banner visibility time: 514ms - Banner viewport coverage: 2358% - Insights: - Consider bundling strategy to reduce third-party dependencies and improve performance. - Consider open source alternatives for better transparency and community support.