RedirectChain Question

[Debin Zhang]

When I go to www.espn.com, I am redirected to espn.go.com. It is a 302 redirect. But when I check RedirectChain, I do not see www.espn.com in redirectChain. After digging into the code, I found the redirectChain had been cleared by the clearRedirectChain() function, which is called by DocumentLoader::updateForSameDocumentNavigation(). However, the same does not happen when I visit box.com, which is redirected to www.box.com. This is a 302 redirect. Looks like in the box.com case, DocumentLoader::updateForSameDocumentNavigation() is not called at all. So two questions: 

1. Is RedirectChain reset for 302 redirects only?

2. When will DocumentLoader::updateForSameDocumentNavigation() be called?

Thanks

Debin

[Nate Chapin]

A same document navigation is either a fragment navigation, or a history state modification (i.e., history.pushState() or history.replaceState() in js). DocumentLoader::updateForSameDocumentNavigation() is only ever called in those cases.

I would guess espn.go.com is doing one of those after the redirect.

~Nate

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