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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.

ApplicationScoreBanner VisibilityNetwork ImpactBundle StrategyViewport CoverageFCPLCPCLS

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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.

Application
Score
Banner Visibility
Network Impact
Bundle Strategy
Viewport Coverage
FCP
LCP
CLS
1.
c15twith-c15t-nextjs
9589ms0 bytes
Bundled
12.5%63ms63ms0.000
2.
c15twith-c15t-react
95148ms0 bytes
Bundled
12.5%30ms30ms0.000
3.
Ethycawith-ethyca
76171ms168bytes
IIFE Script
29.1%25ms25ms0.000
4.
Osanowith-osano
72214ms253bytes
IIFE Script
24.2%114ms114ms0.000
5.
Didomiwith-didomi
71250ms395bytes
Bundled
0.0%47ms47ms0.000
6.
Cookie Controlwith-cookie-control
69139ms335bytes
IIFE Script
40.6%64ms64ms0.000
7.
CookieYeswith-cookie-yes
66246ms70bytes
IIFE Script
9.5%147ms281ms0.000
8.
Iubendawith-iubenda
66241ms408bytes
IIFE Script
25.6%30ms212ms0.000
9.
Enzuzowith-enzuzo
65285ms489bytes
IIFE Script
7.2%253ms253ms0.000
10.
Ketchwith-ketch
64709ms1KB
IIFE Script
51.3%36ms36ms0.001
11.
Usercentricswith-usercentrics
63445ms45bytes
IIFE Script
0.0%98ms566ms0.000
12.
Onetrustwith-onetrust
62514ms518bytes
IIFE Script
23.6%27ms491ms0.000