Thank you for pointing this out, I also see that this has been posted in the ubuntu forums [https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1313181] I also test this link in v29 [http://auctions.search.yahoo.co.jp/search?ei=UTF-8&p=cronos&auccat=0&mode=2&tab_ex=commerce&exflg=1&exsid=collect1spc&slider=0] Please file a bug with the description of the website at [http://dev.webcompat.com] this is where they specialize in troubleshooting specific site translation. I hope this helps.