| Referrer | Total referrals | 2026-08 | 2026-07 | 2026-06 | 2026-05 |
|---|---|---|---|---|---|
| 128,436 | 38,298 | 33,585 | 30,626 | 25,927 | |
| eScholarship | 31,621 | 10,027 | 4,484 | 7,214 | 9,896 |
| cdlib.org | 11,725 | 2,937 | 927 | 2,452 | 5,409 |
| Bing | 3,157 | 1,584 | 277 | 584 | 712 |
| baidu.com | 2,888 | 2,583 | 4 | 301 | |
| doi.org | 2,552 | 540 | 318 | 896 | 798 |
| Yahoo | 1,589 | 816 | 165 | 364 | 244 |
| baidu.org | 1,442 | 841 | 143 | 332 | 126 |
| yandex.org | 1,283 | 807 | 136 | 340 | |
| duckduckgo.com | 1,141 | 643 | 65 | 74 | 359 |
| cnki.net | 822 | 598 | 194 | 30 | |
| ucop.edu | 632 | 156 | 246 | 230 | |
| ucla.edu | 621 | 176 | 116 | 156 | 173 |
| chatgpTwitterm | 552 | 217 | 127 | 96 | 112 |
| Wikipedia | 502 | 123 | 103 | 145 | 131 |
| 382 | 110 | 56 | 106 | 110 | |
| brave.com | 194 | 46 | 56 | 45 | 47 |
| perplexity.ai | 141 | 43 | 26 | 28 | 44 |
| 97 | 9 | 28 | 60 | ||
| yandex.com | 94 | 41 | 53 | ||
| instructure.com | 79 | 4 | 75 | ||
| linkedin.com | 76 | 26 | 18 | 32 | |
| consensus.app | 58 | 17 | 41 | ||
| ecosia.org | 45 | 21 | 24 | ||
| pdfdrive.pw | 45 | 17 | 28 | ||
| other | 10,338 | 2,817 | 4,325 | 1,356 | 1,840 |
Note: Due to the evolving nature of web traffic, the data presented here should be considered approximate and subject to revision. Learn more.