main frame - didStartProvisionalLoadForFrame
main frame - didCommitLoadForFrame
main frame - didFinishDocumentLoadForFrame
main frame - willPerformClientRedirectToURL: http://127.0.0.1:8000/loading/resources/post-to-303-target.php 
main frame - didHandleOnloadEventsForFrame
main frame - didFinishLoadForFrame
http://127.0.0.1:8000/loading/307-after-303-after-post.html - didFinishLoading
main frame - didStartProvisionalLoadForFrame
http://127.0.0.1:8000/loading/resources/post-to-303-target.php - willSendRequest <NSURLRequest URL http://127.0.0.1:8000/loading/resources/post-to-303-target.php, main document URL http://127.0.0.1:8000/loading/resources/post-to-303-target.php, http method POST> redirectResponse (null)
http://127.0.0.1:8000/loading/resources/post-to-303-target.php - willSendRequest <NSURLRequest URL http://127.0.0.1:8000/loading/resources/303-to-307-target.php, main document URL http://127.0.0.1:8000/loading/resources/303-to-307-target.php, http method GET> redirectResponse <NSURLResponse http://127.0.0.1:8000/loading/resources/post-to-303-target.php, http status code 303>
main frame - didReceiveServerRedirectForProvisionalLoadForFrame
http://127.0.0.1:8000/loading/resources/post-to-303-target.php - willSendRequest <NSURLRequest URL http://127.0.0.1:8000/loading/resources/307-post-output-target.php, main document URL http://127.0.0.1:8000/loading/resources/307-post-output-target.php, http method GET> redirectResponse <NSURLResponse http://127.0.0.1:8000/loading/resources/303-to-307-target.php, http status code 307>
main frame - didReceiveServerRedirectForProvisionalLoadForFrame
http://127.0.0.1:8000/loading/resources/post-to-303-target.php - didReceiveResponse <NSURLResponse http://127.0.0.1:8000/loading/resources/307-post-output-target.php, http status code 200>
main frame - didCancelClientRedirectForFrame
main frame - didCommitLoadForFrame
main frame - didFinishDocumentLoadForFrame
main frame - didHandleOnloadEventsForFrame
main frame - didFinishLoadForFrame
There were no POSTed form values.