[wp-trac] [WordPress Trac] #8816: discover_pingback_server_uri optimizations

[WordPress Trac]

#8816: discover_pingback_server_uri optimizations
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 Reporter:  DD32          |       Owner:  anonymous
     Type:  defect (bug)  |      Status:  new      
 Priority:  normal        |   Milestone:  2.8      
Component:  Optimization  |     Version:  2.8      
 Severity:  normal        |    Keywords:           
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 Just some optimizations for discover_pingback_server_uri()
  * Just use HTTP/1.0 no need for 1.1, and theres a possibility it'll
 return contents which the HTTP API isnt designed to handle
  * Do a HEAD on documents first and check for the headers, If that fails,
 THEN do a GET and load the (much heavier) document
  * Do not attempt to discover pingback servers for our own uploaded items
 (Eg, Insert a image into a post, this function will no longer search for a
 pingback server for that image url now)

 Also, I have a feeling that the 2second timeout may be too short for some
 documents.. DNS+latency can account for nearly 1 second on some slower
 hosts, I dont see many WP installs (on shared hosting) returning a non-
 cached page in that time.. Well, some will, most decent hosters will, but
 on some lower end, or oversold servers, i dont think it'll be enough time
 to load the entire document as function requires.

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Ticket URL: <http://trac.wordpress.org/ticket/8816>
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