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Which is better .jp or co.jp domain names?



6:41 am on Jul 17, 2007 (gmt 0)

5+ Year Member

Is there any difference to the search engines if there is a .jp or a co.jp? Since co.jp is more of a hassle to get, does it carry any additional clout algorithmically?

Any ideas?


7:58 am on Jul 23, 2007 (gmt 0)

WebmasterWorld Administrator bill is a WebmasterWorld Top Contributor of All Time 10+ Year Member Top Contributors Of The Month

I haven't run any tests on this myself of late so I couldn't say. The Japanese search engines haven't always weighted domains very heavily. Several of them would simply test the page for Japanese language content to prove that they were local.

.jp and .co.jp domains are both still quite expensive to obtain. A .com or .net is only a fraction of the cost. I still see a lot of advertisements for sites that don't use Japanese local domains at all. That's a telling sign especially when a lot of them specifically instruct users to search for specific keywords on the advertisements themselves.

I can certainly see the logic in ranking a .co.jp over a .jp in terms of quality. The application process is quite a bit more difficult and restrictive. However, I've also seen cases like the recent opening of Baidu Japan where their baidu.co.jp is still owned by another company that appears to have obtained the name for other purposes.

Does anyone have some data on this they would be willing to share?


7:04 am on Jul 25, 2007 (gmt 0)

10+ Year Member

No hard data, just observation.

.jp is the most popular to use in advertisements, as a single .co.jp company can have unlimited .jp for branding and tracking.
.jp's can be had for about $50 a year, while .co.jp are about $90.

I haven't seen a difference in search rankings however.


1:59 am on Aug 7, 2007 (gmt 0)

5+ Year Member

Thank you for your replies. I guess I need to setup some testing "which do you like .com or .jp?" at staba...


2:04 pm on Aug 19, 2007 (gmt 0)

WebmasterWorld Administrator bill is a WebmasterWorld Top Contributor of All Time 10+ Year Member Top Contributors Of The Month

hmmm...I'm not familiar with staba.

I had a few conversations with Japanese people about domains over the Obon holidays and was surprised that many of them thought that a .co.jp was much more prestigious. These people were not internet savvy at all. These were business owners who wanted websites. When I explained the additional costs and procedures that were necessary for a .co.jp name that only enamored them more.

What could I take away from this? Not much. ;) But I might think that the informed consumer could and probably does realize the value of a .co.jp over a plain .jp name. This has nothing to do with the SEs, obviously. It's something to take into consideration though.


11:41 pm on Aug 19, 2007 (gmt 0)

5+ Year Member

Starbucks :)

This confirms what I thought about co.jp, that is seems more corporate and official in users minds. I still wonder how Yahoo thinks about it...


3:42 am on Aug 27, 2007 (gmt 0)

5+ Year Member

The prices of a dot co.jp can vary because you must be a registered company in Japan to get one but .jp are about $32 on most Japanese domain sites.
IDN dot jps are only about $6 to $9 a year now.
ne.jp can also be an option for you.


7:36 am on Aug 27, 2007 (gmt 0)

5+ Year Member

My originally was wondering if anyone knew if Yahoo scored the different Japan domains differently, for example domain.jp seemed spammy or domain.co.jp seems better...?

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