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UsercentricsIIFE Script
Benchmark name:
with-usercentrics
View BenchmarkView Website
Our Score
63
Poor
x
•Consider bundling strategy to reduce third-party dependencies and improve performance.
•Consider open source alternatives for better transparency and community support.

First Contentful Paint: 1818/20 - Very Good
Largest Contentful Paint: 1010/25 - Fair
Cumulative Layout Shift: 2020/20 - Excellent
Time to Interactive: 1515/20 - Very Good
Total Blocking Time: 1515/15 - Excellent

→Improve Largest Contentful Paint by optimizing critical resource loading.
→Consider bundling cookie consent code with your main application bundle.
→Reduce third-party dependencies to improve reliability and performance.
Banner Visibility
Detection Failed
Banner not detected
Viewport Coverage
Detection Failed
Banner not detected
Network Impact
74KB
External requests
Bundle Strategy
IIFE Script
Dynamic external script
First Contentful Paint
98ms Good
Largest Contentful Paint
566ms Good
Time to Interactive
1.1sGood
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
Server-side
Good

Text prepared on the server is the most efficient way to load the text as the user does not have to download multiple languages.

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

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

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