从pgchallenge.com链接出的网站列表
| No. | 链出域名 | 关键词 |
|---|---|---|
| 1. | fws.gov | Polar bears |
| 2. | worldwildlife.org | |
| 3. | twitter.com | Tweet This Post |
| 4. | alaska.gov | Polar bears |
| 5. | thehenrygroupinvestigations.com | |
| 6. | yourdriversed.com | |
| 7. | youtube.com | green coffee bean |
| 8. | wordpress.org | WordPress |
| 9. | uicss.cn | cuikai |
| 10. | google.com | |
| 11. | youdao.com | Youdao |
| 12. | xianguo.com | Xian Guo |
| 13. | zhuaxia.com | Zhua Xia |
| 14. | yahoo.com | My Yahoo! |
| 15. | newsgator.com | newsgator |
| 16. | bloglines.com | Bloglines |
| 17. | inezha.com | iNezha |