Created attachment 466329 [details]
console log with source maps errors

Many sites include source maps, but with an error, either the URL doesn't exist seen from outside, or the auth is not working, etc.
This results in a long list of errors or warnings in the console. 

Suggestions:
Groups them together under a summary/detail elements. 

<details>
    <summary>Source Maps Error</summary>
    Here the list of source maps errors. 
</details>


see the screenshot.