Buzzurl:
javascript:(function(){window.open('http://buzzurl.jp/entry/'+escape(location.href))})();

livedoor clip:
javascript:(function(){window.open('http://clip.livedoor.com/page/'+escape(location.href))})();

del.icio.us:
javascript:(function(){window.open('http://del.icio.us/url?url='+escape(location.href))})();

b.hatena:
javascript:(function(){window.open('http://b.hatena.ne.jp/entry/'+escape(location.href))})();

b.hatena hot:
javascript:(function(){var a='http://b.hatena.ne.jp/entrylist?url=';var b='&sort=count';var h=location.host;var p=location.protocol;var d=location.href.match(/^http:\/\/d\.hatena\.ne\.jp\/[^\/]+\//);var u='';if (d){u=(encodeURIComponent)?encodeURIComponent(d):encodeURI(d);}else{u=(encodeURIComponent)?encodeURIComponent(p+'//'+h+'/'):encodeURI(p+'//'+h+'/');}location.href=a+u+b;})();

javascript:(function(){var%20a='http://b.hatena.ne.jp/entrylist?url=';var%20b='&sort=count';var%20h=location.host;var%20p=location.protocol;var%20d=location.href.match(/^http:\/\/d\.hatena\.ne\.jp\/[^\/]+\//);var%20u='';if%20(d){u=(encodeURIComponent)?encodeURIComponent(d):encodeURI(d);}else{u=(encodeURIComponent)?encodeURIComponent(p+'//'+h+'/'):encodeURI(p+'//'+h+'/');}location.href=a+u+b;})();