Title: Long lag before loading – DevTools failed to load SourceMap
Last modified: June 15, 2020

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# Long lag before loading – DevTools failed to load SourceMap

 *  Resolved [Wayne](https://wordpress.org/support/users/waynep16/)
 * (@waynep16)
 * [5 years, 11 months ago](https://wordpress.org/support/topic/long-lag-before-loading-devtools-failed-to-load-sourcemap/)
 * We have probably 400 media items and the initiation delay take a good 8 seconds
   to load (good server!!)
 * The console says DevTools failed to load SourceMap: Could not load content for
   [https://xxxx.dev/wp-content/plugins/filebird/admin/css/bootstrap-grid.min.css.map](https://xxxx.dev/wp-content/plugins/filebird/admin/css/bootstrap-grid.min.css.map):
   HTTP error: status code 404, net::ERR_HTTP_RESPONSE_CODE_FAILURE

Viewing 1 replies (of 1 total)

 *  Plugin Author [Ninja Team](https://wordpress.org/support/users/ninjateam/)
 * (@ninjateam)
 * [5 years, 11 months ago](https://wordpress.org/support/topic/long-lag-before-loading-devtools-failed-to-load-sourcemap/#post-12986072)
 * Hi there,
 * Thanks for reaching out.
 * > We have probably 400 media items and the initiation delay take a good 8 seconds
   > to load (good server!!)
 * => We will try optimize our plugin in the next update.
 * > The console says DevTools failed to load SourceMap: Could not load content 
   > for [https://xxxx.dev/wp-content/plugins/filebird/admin/css/bootstrap-grid.min.css.map](https://xxxx.dev/wp-content/plugins/filebird/admin/css/bootstrap-grid.min.css.map):
   > HTTP error: status code 404, net::ERR_HTTP_RESPONSE_CODE_FAILURE
 * => This is just an alert on Safari browser since we protect our code, no worries
   much.
 * Best regards,
    Kelly

Viewing 1 replies (of 1 total)

The topic ‘Long lag before loading – DevTools failed to load SourceMap’ is closed
to new replies.

 * ![](https://ps.w.org/filebird/assets/icon-128x128.gif?rev=2299145)
 * [FileBird - WordPress Media Library Folders & File Manager](https://wordpress.org/plugins/filebird/)
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 * 1 reply
 * 2 participants
 * Last reply from: [Ninja Team](https://wordpress.org/support/users/ninjateam/)
 * Last activity: [5 years, 11 months ago](https://wordpress.org/support/topic/long-lag-before-loading-devtools-failed-to-load-sourcemap/#post-12986072)
 * Status: resolved