Google Webmaster 404 Tool
让我们更了解404：
Now that we’ve bid farewell to soft 404s, in this post for 404 week
我们将会回答你关于404的全部问题。
How do you treat the response code 410 “Gone”?
就是404.
Do you index content or follow links from a page with a 404 response code?
让人理解你的网站以及网站的内容是我们的目标！Well we wouldn’t want to show a hard 404 to users in results, we may utilize a 404’s content or links if it’s detected as a signal to help us better to understand your website.
请注意：if you want links crawled or content index, it’s far more beneficial to include them in a non-404 pages.
What about 404s with a 10-second meta refresh?
雅虎! currently utilizes this method on their 404s. They respond with a 404, but the 404 content also shows:
<meta http-equiv=”refresh” content=”10;url=http://www.yahoo.com/?xxx”>
We feel this technique is fine because it reduces confusion by giving users 10 seconds to make a new selection, only offering the homepage after 10 seconds without the user’s input.
Should I 301-redirect misspelled 404s to the correct URL?
Redirecting/301-ing 404s is a good idea when it’s helpful to users (i.e. not confusing like soft 404s). For instance, if you notice that the Crawl Errors of Webmaster Tools shows a 404 for a misspelled version of your URL, feel free to 301 the misspelled version of the URL to the correct version.
For example:
http://www.google.com/webmsters <– typo for “webmasters”
we may first correct the typo if it exists on our own site, then 301 the URL to the correct version (as the broken link may occur elsewhere on the web):
http://www.google.com/webmasters
Have you guys seen any good 404s?
Yes, we have! Please see some links belowing:
http://www.mkt-china.com/blog/404
“That’s a good news.”
-MKThttp://www.metrokitchen.com/nice-404-page
“If you’re looking for an item that’s no longer stocked, this makes it really easy to find an alternative.”-Riona, domestigeekhttp://www.comedycentral.com/another-404
“Blame the robot monkeys”-Reid, tells really bad jokeshttp://www.splicemusic.com/and-another
“Boost your ‘Time on site’ metrics with a 404 page like this.”-Susan, dabbler in music and Analyticshttp://www.treachery.net/wow-more-404s
“It’s not reassuring, but it’s definitive.”-Jonathan, has trained actual spiders to build websites, ants handle the 404shttp://www.apple.com/iPhone4g
“Good with respect to usability.”
http://thcnet.net/lost-in-a-forest
“At least there’s a mailbox.”-JohnMu, adventuroushttp://lookitsme.co.uk/404
“It’s pretty cute. :)”-Jessica, likes cute thingshttp://www.orangecoat.com/a-404-page.html
“Flow charts rule.”-Sahala, internet travellerhttp://icanhascheezburger.com/iz-404-page
“I can has useful links and even e-mail address for questions! But they could have added ‘OH NOES! IZ MISSING PAGE! MAYBE TIPO OR BROKN LINKZ?’ so folks’d know what’s up.”-Adam, lindy hop geek
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