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IubendaIIFE Script
Benchmark name:
with-iubenda
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Our Score
66
Poor
x
•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.

First Contentful Paint: 2020/20 - Excellent
Largest Contentful Paint: 2020/25 - Very Good
Cumulative Layout Shift: 2020/20 - Excellent
Time to Interactive: 1515/20 - Very Good
Total Blocking Time: 1515/15 - Excellent

→Consider bundling cookie consent code with your main application bundle.
→Reduce third-party dependencies to improve reliability and performance.
Banner Visibility
241ms
+1ms hydration
Viewport Coverage
25.6%
Screen real estate
Network Impact
408KB
External requests
Bundle Strategy
IIFE Script
Dynamic external script
First Contentful Paint
30ms Good
Largest Contentful Paint
212ms Good
Time to Interactive
1.2sGood
Cumulative Layout Shift
0.000 Good
Language Detection
Manual Detection
Okay

Manual detection is not ideal as it requires additional work to detect the language, like passing parameters like /en or /de to the banner.

String Loading Strategy
Bundled
Okay

Bundling the text means the client has to download multiple languages at once, which is not efficient and can lead to a larger bundle size. This approach typically leads to less language options.

Tech Stack
Framework
None
Languages
JavaScript
Bundler
unknown
Bundle Type
iffe
Package Manager
unknown
TypeScript
No
Source
Open Source
No
License
Proprietary
Website
iubenda.com
CookieBench

Open source benchmarks for measuring how cookie banners and third-party consent scripts affect real-world web performance.

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