Keyword | CPC | PCC | Volume | Score |
---|---|---|---|---|
history of animal testing timeline | 0.17 | 1 | 6486 | 73 |
history behind animal testing | 0.41 | 0.4 | 4044 | 75 |
animal testing over the years history | 0.64 | 0.5 | 9353 | 29 |
when did animal testing begin | 0.01 | 0.3 | 587 | 12 |
when did animal testing start | 1.78 | 0.3 | 5024 | 67 |
animal testing history background | 0.48 | 0.6 | 8486 | 17 |
when did animal testing first began | 0.95 | 0.6 | 6768 | 73 |
what year did animal testing start | 1.76 | 1 | 9420 | 94 |
when was the first animal testing done | 1.54 | 0.6 | 6636 | 64 |
when did animal testing started | 0.64 | 0.1 | 1772 | 33 |
when did animal testing originate | 0.46 | 0.7 | 5487 | 49 |
when was animal testing first introduced | 0.19 | 0.3 | 4236 | 47 |
when did testing on animals begin | 1.66 | 0.4 | 83 | 57 |
when was animal testing invented | 1.39 | 0.6 | 2402 | 38 |