[wp-trac] [WordPress Trac] #36638: Detect broken URLs in the editor

WordPress Trac noreply at wordpress.org
Tue Jul 26 02:07:59 UTC 2016

#36638: Detect broken URLs in the editor
 Reporter:  iseulde                              |       Owner:  azaozz
     Type:  task (blessed)                       |      Status:  assigned
 Priority:  normal                               |   Milestone:  4.6
Component:  Editor                               |     Version:
 Severity:  normal                               |  Resolution:
 Keywords:  needs-unit-tests needs-testing       |     Focuses:  ui
  needs-patch                                    |

Comment (by dd32):

 I'd just like to voice an opinion that performing a HTTP request to
 "validate" each URL isn't likely to be very workable in the long run.

 The scenario's that I'm looking at are things like..
  - Editors may have a URL which is currently 403/404 which they wish to
 have in a draft, causing them to just ignore those notifications all the
  - Linking to sites which intentionally block, or rate limit the WordPress
 UA would incorrectly fail (Leading to a bad user experience and inability
 to trust it going forward)
  - The link would be marked inaccessible for sites which are temporarily
 unavailable, slow, or inaccessible from the servers network
  - The WordPress UA might get rate limited or blocked on more
 sites/networks for being seen as making a lot of irrelevant requests. We
 already see this happening with blocking of the WordPress UA (as noted
 above) due to the XML-RPC attacks.

 If the HTTP request is kept, then
  - a HEAD should be performed instead IMHO
  - The `limit_response_size` parameter should be set to avoid issues when
 linking to large documents.
  - The `Relative URL` handling could probably use

 Personally I feel that anything more than a regular expression is probably
 overkill here for the limited benefit it provides.

Ticket URL: <https://core.trac.wordpress.org/ticket/36638#comment:46>
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