日本語検索エンジン：検索数 2011年
| 7-9月 | １位 | ２位 | ３位 | ４位 |
| 2011.09.29 | Google 100.0 | Naver 46.0 | Bing 11.5 | Baidu 4.6 |
| 2011.09.22 | Google 100.0 | Naver 52.4 | Bing 14.2 | Baidu 5.5 |
| 2011.09.15 | Google 100.0 | Naver 44.7 | Bing 13.3 | Baidu 4.5 |
| 2011.09.08 | Google 100.0 | Naver 48.4 | Bing 14.1 | Baidu 4.9 |
| 2011.09.01 | Google 100.0 | Naver 46.3 | Bing 6.1 | Baidu 4.9 |
| 2011.08.25 | Google 100.0 | Naver 46.9 | Baidu 5.0 | Bing 4.2 |
| 2011.08.18 | Google 100.0 | Naver 49.1 | Baidu 5.0 | Bing 4.6 |
| 2011.08.11 | Google 100.0 | Naver 47.6 | Baidu 4.8 | Bing 4.1 |
| 2011.08.04 | Google 100.0 | Naver 43.7 | Bing 8.3 | Baidu 4.5 |
| 2011.07.28 | Google 100.0 | Naver 43.2 | Baidu 4.7 | Bing 4.3 |
| 2011.07.21 | Google 100.0 | Naver 42.3 | Baidu 4.4 | Bing 4.2 |
| 2011.07.14 | Google 100.0 | Naver 45.0 | Bing 9.6 | Baidu 4.6 |
| 2011.07.07 | Google 100.0 | Naver 41.6 | Bing 7.6 | Baidu 4.6 |
日本語検索エンジン：検索数 2011年
| 4-6月 | １位 | ２位 | ３位 | ４位 |
| 2011.06.30 | Google 100.0 | Naver 40.0 | Bing 7.5 | Baidu 4.5 |
| 2011.06.23 | Google 100.0 | Naver 39.2 | Bing 9.9 | Baidu 4.4 |
| 2011.06.16 | Google 100.0 | Naver 39.9 | Bing 9.2 | Baidu 4.6 |
| 2011.06.09 | Google 100.0 | Naver 44.7 | Bing 9.2 | Baidu 5.3 |
| 2011.06.02 | Google 100.0 | Naver 51.1 | Bing 8.8 | Baidu 6.0 |
| 2011.05.26 | Google 100.0 | Naver 54.3 | Bing 9.9 | Baidu 6.6 |
| 2011.05.19 | Google 100.0 | Naver 54.4 | Bing 10.8 | Baidu 6.5 |
| 2011.05.12 | Google 100.0 | Naver 59.7 | Bing 12.3 | Baidu 5.8 |
| 2011.05.05 | Google 100.0 | Naver 62.5 | Bing 12.3 | Baidu 7.3 |
| 2011.04.28 | Google 100.0 | Naver 58.4 | Bing 10.8 | Baidu 7.1 |
| 2011.04.21 | Google 100.0 | Naver 58.2 | Bing 11.4 | Baidu 7.1 |
| 2011.04.14 | Google 100.0 | Naver 53.4 | Bing 10.5 | Baidu 6.6 |
| 2011.04.07 | Google 100.0 | Naver 52.6 | Bing 9.6 | Baidu 6.6 |
日本語検索エンジン：検索数 2011年
| 1-3月 | １位 | ２位 | ３位 | ４位 |
| 2011.03.31 | Google 100.0 | Naver 51.1 | Bing 9.5 | Baidu 6.6 |
| 2011.03.24 | Google 100.0 | Naver 51.3 | Bing 10.0 | Baidu 6.6 |
| 2011.03.17 | Google 100.0 | Naver 61.1 | Bing 9.9 | Baidu 7.8 |
| 2011.03.10 | Google 100.0 | Naver 76.3 | Bing 14.0 | Baidu 9.9 |
| 2011.03.03 | Google 100.0 | Naver 74.1 | Bing 13.6 | Baidu 10.2 |
| 2011.02.24 | Google 100.0 | Naver 73.4 | Bing 15.3 | Baidu 9.7 |
| 2011.02.17 | Google 100.0 | Naver 69.5 | Bing 16.4 | Baidu 10.1 |
| 2011.02.10 | Google 100.0 | Naver 70.3 | Bing 16.2 | Baidu 10.4 |
| 2011.02.03 | Google 100.0 | Naver 66.5 | Bing 17.5 | Baidu 11.4 |
| 2011.01.27 | Google 100.0 | Naver 88.6 | Bing 22.8 | Baidu 15.5 |
| 2011.01.20 | Google 100.0 | Naver 91.5 | Bing 24.7 | Baidu 16.7 |
| 2011.01.13 | Google 100.0 | Naver 94.0 | Bing 25.1 | Baidu 11.5 |
| 2011.01.06 | Naver 100.0 | Google 80.9 | Bing 18.0 | Baidu 9.8 |
海外検索エンジン：検索数 2011年
| 7-9月 | １位 | ２位 |
| 2011.9.29 | Google 100.0 | Bing 15.5 |
| 2011.9.22 | Google 100.0 | Bing 19.5 |
| 2011.9.15 | Google 100.0 | Bing 19.5 |
| 2011.9.08 | Google 100.0 | Bing 20.5 |
| 2011.9.01 | Google 100.0 | Bing 27.3 |
| 2011.8.25 | Google 100.0 | Bing 17.0 |
| 2011.8.18 | Google 100.0 | Bing 21.2 |
| 2011.8.11 | Google 100.0 | Bing 18.4 |
| 2011.8.04 | Google 100.0 | Bing 28.5 |
| 2011.7.28 | Google 100.0 | Bing 20.0 |
| 2011.7.21 | Google 100.0 | Bing 11.7 |
| 2011.7.14 | Google 100.0 | Bing 32.0 |
| 2011.7.07 | Google 100.0 | Bing 33.5 |
海外検索エンジン：検索数 2011年
| 4-6月 | １位 | ２位 |
| 2011.6.30 | Google 100.0 | Bing 20.6 |
| 2011.6.23 | Google 100.0 | Bing 29.4 |
| 2011.6.16 | Google 100.0 | Bing 32.0 |
| 2011.6.09 | Google 100.0 | Bing 33.5 |
| 2011.6.02 | Google 100.0 | Bing 34.6 |
| 2011.5.26 | Google 100.0 | Bing 37.6 |
| 2011.5.19 | Google 100.0 | Bing 41.5 |
| 2011.5.12 | Google 100.0 | Bing 49.0 |
| 2011.5.05 | Google 100.0 | Bing 44.0 |
| 2011.4.28 | Google 100.0 | Bing 41.7 |
| 2011.4.21 | Google 100.0 | Bing 44.6 |
| 2011.4.14 | Google 100.0 | Bing 40.0 |
| 2011.4.07 | Google 100.0 | Bing 36.7 |
海外検索エンジン：検索数 2011年
| 1-3月 | １位 | ２位 |
| 2011.3.31 | Google 100.0 | Bing 38.0 |
| 2011.3.24 | Google 100.0 | Bing 39.2 |
| 2011.3.17 | Google 100.0 | Bing 46.4 |
| 2011.3.10 | Google 100.0 | Bing 53.3 |
| 2011.3.03 | Google 100.0 | Bing 50.7 |
| 2011.2.24 | Google 100.0 | Bing 68.0 |
| 2011.2.17 | Google 100.0 | Bing 68.0 |
| 2011.2.10 | Google 100.0 | Bing 61.2 |
| 2011.2.03 | Google 100.0 | Bing 84.4 |
| 2011.1.27 | Google 100.0 | Bing 84.1 |
| 2011.1.20 | Google 100.0 | Bing 90.9 |
| 2011.1.13 | Bing 100.0 | Google 98.2 |
| 2011.1.06 | Google 100.0 | Bing 98.8 |