| Fail. | All | % | connector URL | Target Type |
| 35 | 105 | 33% | oa@harpers_magazine | connector |
| 8 | 24 | 33% | uoc@isi_web_of_knowledge?proxy=http:livesearch.lib.uoc.gr:3128 | connector |
| 7 | 21 | 33% | uoc@scopus?proxy=http:livesearch.lib.uoc.gr:3128 | connector |
| 5 | 15 | 33% | uoc@taylorandfrancis | connector |
| 2 | 6 | 33% | idtest@hathitrust | connector |
| 1 | 3 | 33% | idtest@plos | connector |
| 13 | 77 | 17% | ebsco@cat00639a | connector |
| 1 | 6 | 17% | uoc@oaister | connector |
| 0 | 6 | 17% | idtest@mit_opencourseware | connector |