k-12 flexbooks | ck-12 foundation
ck-12’s free, standards-aligned, digital textbooks are customizable, integrated, and interactive, allowing users to create 200,000+ localized flexbooks.
Total Visits
Avg. Visit Duration
Pages per Visit
Bounce Rate
Registration Date
| Month | Traffic |
|---|---|
| 2025-02 | 1K |
| 2025-03 | 1K |
| 2025-04 | 1K |
| 2025-05 | 1K |
| Source | Traffic Share |
|---|---|
| search | 56.86% |
| direct | 29.52% |
| referrals | 13.09% |
| social | 0.40% |
| paid referrals | 0.08% |
| 0.03% |
| Region | Percentage |
|---|---|
| United States | 60.90% |
| MX | 4.44% |
| Australia | 3.62% |
| India | 2.33% |
| EC | 2.25% |
| Keyword | Traffic | Volume | CPC |
|---|---|---|---|
| identify characteristics of quadratics graphs | 0 | 0 | $0.00 |
| which of the following traits evolved in invertebrates | 6 | 60 | $0.00 |
| ck-12 coevolution | 3 | 30 | $0.00 |
| unit circle | 89,917 | 899,170 | $1.09 |
| ck-12 hardy-weinberg | 6 | 60 | $0.00 |