Dear Console, give me a list of all render blocking resources

copy(
  window.performance
    .getEntriesByType('resource')
        .filter(entry => entry.renderBlockingStatus === 'blocking' )
        .map(({name}) => name)
        .join('\n')
)

by Pankaj Parashar šŸŽ‰

Topics: rendering

Show all 16 "Dear Console" snippets

What?

This is a repository of little scripts you can use in the browser console to achieve the described task. Hence, "Dear Console,ā€¦".

How?

To use the scripts shown here, you need to open the browser developer tools (pressing F12), open the Console tool, paste them in and hit `Enter`. If you use a Chromium based browser (Chrome, Edge, Brave, Opera, Vivaldiā€¦) you can also use them in Snippets.

Who?

This collection is written and maintained by Chris Heilmann and you can contribute to it or request features on GitHub.