Does Cloudflare Browser Insights affect website performance?

[sarang.sss29]

Does Cloudflare Browser Insights affect website performance?
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Community Tip - Browser Insights

Overview You can monitor your website’s performance right from your visitors’ browsers using Browser Insights. Browser Insights adds a javascript snippet into your webpage. This will help you customers determine the causes of, or anticipate incidents that might render end-user experience suboptimal. Background You can’t improve what you can’t measure. Knowing exactly when, where, and why your websites are not performing as anticipated is vital. [Banner in tip catalog] Browser Insights To …

As I have read in the blog post, it inserts JS script to get data. Does this affect performance or SEO in any way? Also, any benefits of using this?

[Judge]

Since the script it injects has the ‘defer’ tag, the effects should be very minimal.

The benefit is analytics