今天好几个掉下来的域名有很可观的外链，但查了下都做过302，掉下来的原因基本都是原站换域名了
搜索了下，找到老外的2个说法Like most things it depends, the only way I don’t mind if it was redirected is if it was redirected at the end of its life to a generic landing page. If it was redirected to a live website I like to avoid. Not exactly.
302 redirects used to hijack serps positions. you set an identical website of your competitor, let Google index it, and then redirect it 302 to your competitor website. if your duplicate content had gained more inbound links that made its PR higher than your competitor, your competitor ranking position would have been replaced by Google to yours.
Now, if an expired domain had been redirected 302 in the past, it can be either:
1. a simple 302 redirect - a legit one (usually used when you have old website that you still want to represent till the newer will be ready so you can inform your website visitors of the switch)
2. serps hijacking
if the domain was redirected 302 because of number 1, you're good to go.
if it was because of number 2, well, it could be bad reputation for the domain + plus the PR could be a fake.
you should test how Google perceives your domain with the following operator: "info:yourdomain.com"
虽然我不会再用namejet去抢，但至少还是要用godaddy去试试的，不知道高手有何看法？
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发表于 2014-4-29 15:09:29
提升卡
沉默卡
变色卡
其它都不错的话，可以考虑如说
