51.com空间|51.com主页|51登陆

1、Google提交

http://www.google.com/addurl/？hl=zh_CN

2、百度提交

http://www.baidu.com/search/url_submit.html

3、Bing提交

http://cn.bing.com/docs/submit.aspx

4、有道提交

http://tellbot.youdao.com